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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 | ||
c57529e1 IS |
55 | struct mlxsw_sp_bridge_ops; |
56 | ||
5f6935c6 IS |
57 | struct mlxsw_sp_bridge { |
58 | struct mlxsw_sp *mlxsw_sp; | |
59 | struct { | |
60 | struct delayed_work dw; | |
61 | #define MLXSW_SP_DEFAULT_LEARNING_INTERVAL 100 | |
62 | unsigned int interval; /* ms */ | |
63 | } fdb_notify; | |
64 | #define MLXSW_SP_MIN_AGEING_TIME 10 | |
65 | #define MLXSW_SP_MAX_AGEING_TIME 1000000 | |
66 | #define MLXSW_SP_DEFAULT_AGEING_TIME 300 | |
67 | u32 ageing_time; | |
c57529e1 IS |
68 | bool vlan_enabled_exists; |
69 | struct list_head bridges_list; | |
5f6935c6 IS |
70 | struct list_head mids_list; |
71 | DECLARE_BITMAP(mids_bitmap, MLXSW_SP_MID_MAX); | |
c57529e1 IS |
72 | const struct mlxsw_sp_bridge_ops *bridge_8021q_ops; |
73 | const struct mlxsw_sp_bridge_ops *bridge_8021d_ops; | |
74 | }; | |
75 | ||
76 | struct mlxsw_sp_bridge_device { | |
77 | struct net_device *dev; | |
78 | struct list_head list; | |
79 | struct list_head ports_list; | |
80 | u8 vlan_enabled:1, | |
81 | multicast_enabled:1; | |
82 | const struct mlxsw_sp_bridge_ops *ops; | |
83 | }; | |
84 | ||
85 | struct mlxsw_sp_bridge_port { | |
86 | struct net_device *dev; | |
87 | struct mlxsw_sp_bridge_device *bridge_device; | |
88 | struct list_head list; | |
89 | struct list_head vlans_list; | |
90 | unsigned int ref_count; | |
91 | u8 stp_state; | |
92 | unsigned long flags; | |
93 | bool mrouter; | |
94 | bool lagged; | |
95 | union { | |
96 | u16 lag_id; | |
97 | u16 system_port; | |
98 | }; | |
99 | }; | |
100 | ||
101 | struct mlxsw_sp_bridge_vlan { | |
102 | struct list_head list; | |
103 | struct list_head port_vlan_list; | |
104 | u16 vid; | |
5f6935c6 IS |
105 | }; |
106 | ||
c57529e1 IS |
107 | struct mlxsw_sp_bridge_ops { |
108 | int (*port_join)(struct mlxsw_sp_bridge_device *bridge_device, | |
109 | struct mlxsw_sp_bridge_port *bridge_port, | |
110 | struct mlxsw_sp_port *mlxsw_sp_port); | |
111 | void (*port_leave)(struct mlxsw_sp_bridge_device *bridge_device, | |
112 | struct mlxsw_sp_bridge_port *bridge_port, | |
113 | struct mlxsw_sp_port *mlxsw_sp_port); | |
a1107487 IS |
114 | struct mlxsw_sp_fid * |
115 | (*fid_get)(struct mlxsw_sp_bridge_device *bridge_device, | |
116 | u16 vid); | |
c57529e1 IS |
117 | }; |
118 | ||
119 | static int | |
120 | mlxsw_sp_bridge_port_fdb_flush(struct mlxsw_sp *mlxsw_sp, | |
121 | struct mlxsw_sp_bridge_port *bridge_port, | |
122 | u16 fid_index); | |
123 | ||
124 | static struct mlxsw_sp_bridge_device * | |
125 | mlxsw_sp_bridge_device_find(const struct mlxsw_sp_bridge *bridge, | |
126 | const struct net_device *br_dev) | |
5f6935c6 | 127 | { |
c57529e1 IS |
128 | struct mlxsw_sp_bridge_device *bridge_device; |
129 | ||
130 | list_for_each_entry(bridge_device, &bridge->bridges_list, list) | |
131 | if (bridge_device->dev == br_dev) | |
132 | return bridge_device; | |
133 | ||
134 | return NULL; | |
5f6935c6 IS |
135 | } |
136 | ||
c57529e1 IS |
137 | static struct mlxsw_sp_bridge_device * |
138 | mlxsw_sp_bridge_device_create(struct mlxsw_sp_bridge *bridge, | |
139 | struct net_device *br_dev) | |
e4b6f693 | 140 | { |
c57529e1 IS |
141 | struct device *dev = bridge->mlxsw_sp->bus_info->dev; |
142 | struct mlxsw_sp_bridge_device *bridge_device; | |
143 | bool vlan_enabled = br_vlan_enabled(br_dev); | |
e4b6f693 | 144 | |
c57529e1 IS |
145 | if (vlan_enabled && bridge->vlan_enabled_exists) { |
146 | dev_err(dev, "Only one VLAN-aware bridge is supported\n"); | |
147 | return ERR_PTR(-EINVAL); | |
148 | } | |
e4b6f693 | 149 | |
c57529e1 IS |
150 | bridge_device = kzalloc(sizeof(*bridge_device), GFP_KERNEL); |
151 | if (!bridge_device) | |
152 | return ERR_PTR(-ENOMEM); | |
153 | ||
154 | bridge_device->dev = br_dev; | |
155 | bridge_device->vlan_enabled = vlan_enabled; | |
156 | bridge_device->multicast_enabled = br_multicast_enabled(br_dev); | |
157 | INIT_LIST_HEAD(&bridge_device->ports_list); | |
158 | if (vlan_enabled) { | |
159 | bridge->vlan_enabled_exists = true; | |
160 | bridge_device->ops = bridge->bridge_8021q_ops; | |
161 | } else { | |
162 | bridge_device->ops = bridge->bridge_8021d_ops; | |
163 | } | |
164 | list_add(&bridge_device->list, &bridge->bridges_list); | |
e4b6f693 | 165 | |
c57529e1 | 166 | return bridge_device; |
e4b6f693 ER |
167 | } |
168 | ||
c57529e1 IS |
169 | static void |
170 | mlxsw_sp_bridge_device_destroy(struct mlxsw_sp_bridge *bridge, | |
171 | struct mlxsw_sp_bridge_device *bridge_device) | |
54a73201 | 172 | { |
c57529e1 IS |
173 | list_del(&bridge_device->list); |
174 | if (bridge_device->vlan_enabled) | |
175 | bridge->vlan_enabled_exists = false; | |
176 | WARN_ON(!list_empty(&bridge_device->ports_list)); | |
177 | kfree(bridge_device); | |
178 | } | |
54a73201 | 179 | |
c57529e1 IS |
180 | static struct mlxsw_sp_bridge_device * |
181 | mlxsw_sp_bridge_device_get(struct mlxsw_sp_bridge *bridge, | |
182 | struct net_device *br_dev) | |
183 | { | |
184 | struct mlxsw_sp_bridge_device *bridge_device; | |
185 | ||
186 | bridge_device = mlxsw_sp_bridge_device_find(bridge, br_dev); | |
187 | if (bridge_device) | |
188 | return bridge_device; | |
189 | ||
190 | return mlxsw_sp_bridge_device_create(bridge, br_dev); | |
191 | } | |
192 | ||
193 | static void | |
194 | mlxsw_sp_bridge_device_put(struct mlxsw_sp_bridge *bridge, | |
195 | struct mlxsw_sp_bridge_device *bridge_device) | |
196 | { | |
197 | if (list_empty(&bridge_device->ports_list)) | |
198 | mlxsw_sp_bridge_device_destroy(bridge, bridge_device); | |
199 | } | |
200 | ||
201 | static struct mlxsw_sp_bridge_port * | |
202 | __mlxsw_sp_bridge_port_find(const struct mlxsw_sp_bridge_device *bridge_device, | |
203 | const struct net_device *brport_dev) | |
204 | { | |
205 | struct mlxsw_sp_bridge_port *bridge_port; | |
206 | ||
207 | list_for_each_entry(bridge_port, &bridge_device->ports_list, list) { | |
208 | if (bridge_port->dev == brport_dev) | |
209 | return bridge_port; | |
210 | } | |
211 | ||
212 | return NULL; | |
213 | } | |
214 | ||
215 | static struct mlxsw_sp_bridge_port * | |
216 | mlxsw_sp_bridge_port_find(struct mlxsw_sp_bridge *bridge, | |
217 | struct net_device *brport_dev) | |
218 | { | |
219 | struct net_device *br_dev = netdev_master_upper_dev_get(brport_dev); | |
220 | struct mlxsw_sp_bridge_device *bridge_device; | |
221 | ||
222 | if (!br_dev) | |
223 | return NULL; | |
224 | ||
225 | bridge_device = mlxsw_sp_bridge_device_find(bridge, br_dev); | |
226 | if (!bridge_device) | |
227 | return NULL; | |
228 | ||
229 | return __mlxsw_sp_bridge_port_find(bridge_device, brport_dev); | |
230 | } | |
231 | ||
232 | static struct mlxsw_sp_bridge_port * | |
233 | mlxsw_sp_bridge_port_create(struct mlxsw_sp_bridge_device *bridge_device, | |
234 | struct net_device *brport_dev) | |
235 | { | |
236 | struct mlxsw_sp_bridge_port *bridge_port; | |
237 | struct mlxsw_sp_port *mlxsw_sp_port; | |
238 | ||
239 | bridge_port = kzalloc(sizeof(*bridge_port), GFP_KERNEL); | |
240 | if (!bridge_port) | |
241 | return NULL; | |
242 | ||
243 | mlxsw_sp_port = mlxsw_sp_port_dev_lower_find(brport_dev); | |
244 | bridge_port->lagged = mlxsw_sp_port->lagged; | |
245 | if (bridge_port->lagged) | |
246 | bridge_port->lag_id = mlxsw_sp_port->lag_id; | |
247 | else | |
248 | bridge_port->system_port = mlxsw_sp_port->local_port; | |
249 | bridge_port->dev = brport_dev; | |
250 | bridge_port->bridge_device = bridge_device; | |
251 | bridge_port->stp_state = BR_STATE_DISABLED; | |
252 | bridge_port->flags = BR_LEARNING | BR_FLOOD | BR_LEARNING_SYNC; | |
253 | INIT_LIST_HEAD(&bridge_port->vlans_list); | |
254 | list_add(&bridge_port->list, &bridge_device->ports_list); | |
255 | bridge_port->ref_count = 1; | |
256 | ||
257 | return bridge_port; | |
258 | } | |
259 | ||
260 | static void | |
261 | mlxsw_sp_bridge_port_destroy(struct mlxsw_sp_bridge_port *bridge_port) | |
262 | { | |
263 | list_del(&bridge_port->list); | |
264 | WARN_ON(!list_empty(&bridge_port->vlans_list)); | |
265 | kfree(bridge_port); | |
266 | } | |
267 | ||
268 | static bool | |
269 | mlxsw_sp_bridge_port_should_destroy(const struct mlxsw_sp_bridge_port * | |
270 | bridge_port) | |
271 | { | |
272 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(bridge_port->dev); | |
273 | ||
274 | /* In case ports were pulled from out of a bridged LAG, then | |
275 | * it's possible the reference count isn't zero, yet the bridge | |
276 | * port should be destroyed, as it's no longer an upper of ours. | |
277 | */ | |
278 | if (!mlxsw_sp && list_empty(&bridge_port->vlans_list)) | |
279 | return true; | |
280 | else if (bridge_port->ref_count == 0) | |
281 | return true; | |
282 | else | |
283 | return false; | |
284 | } | |
285 | ||
286 | static struct mlxsw_sp_bridge_port * | |
287 | mlxsw_sp_bridge_port_get(struct mlxsw_sp_bridge *bridge, | |
288 | struct net_device *brport_dev) | |
289 | { | |
290 | struct net_device *br_dev = netdev_master_upper_dev_get(brport_dev); | |
291 | struct mlxsw_sp_bridge_device *bridge_device; | |
292 | struct mlxsw_sp_bridge_port *bridge_port; | |
293 | int err; | |
294 | ||
295 | bridge_port = mlxsw_sp_bridge_port_find(bridge, brport_dev); | |
296 | if (bridge_port) { | |
297 | bridge_port->ref_count++; | |
298 | return bridge_port; | |
299 | } | |
300 | ||
301 | bridge_device = mlxsw_sp_bridge_device_get(bridge, br_dev); | |
302 | if (IS_ERR(bridge_device)) | |
303 | return ERR_CAST(bridge_device); | |
304 | ||
305 | bridge_port = mlxsw_sp_bridge_port_create(bridge_device, brport_dev); | |
306 | if (!bridge_port) { | |
307 | err = -ENOMEM; | |
308 | goto err_bridge_port_create; | |
309 | } | |
310 | ||
311 | return bridge_port; | |
312 | ||
313 | err_bridge_port_create: | |
314 | mlxsw_sp_bridge_device_put(bridge, bridge_device); | |
315 | return ERR_PTR(err); | |
316 | } | |
317 | ||
318 | static void mlxsw_sp_bridge_port_put(struct mlxsw_sp_bridge *bridge, | |
319 | struct mlxsw_sp_bridge_port *bridge_port) | |
320 | { | |
321 | struct mlxsw_sp_bridge_device *bridge_device; | |
322 | ||
323 | bridge_port->ref_count--; | |
324 | if (!mlxsw_sp_bridge_port_should_destroy(bridge_port)) | |
325 | return; | |
326 | bridge_device = bridge_port->bridge_device; | |
327 | mlxsw_sp_bridge_port_destroy(bridge_port); | |
328 | mlxsw_sp_bridge_device_put(bridge, bridge_device); | |
329 | } | |
330 | ||
331 | static struct mlxsw_sp_port_vlan * | |
332 | mlxsw_sp_port_vlan_find_by_bridge(struct mlxsw_sp_port *mlxsw_sp_port, | |
333 | const struct mlxsw_sp_bridge_device * | |
334 | bridge_device, | |
335 | u16 vid) | |
336 | { | |
337 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
338 | ||
339 | list_for_each_entry(mlxsw_sp_port_vlan, &mlxsw_sp_port->vlans_list, | |
340 | list) { | |
341 | if (!mlxsw_sp_port_vlan->bridge_port) | |
342 | continue; | |
343 | if (mlxsw_sp_port_vlan->bridge_port->bridge_device != | |
344 | bridge_device) | |
345 | continue; | |
346 | if (bridge_device->vlan_enabled && | |
347 | mlxsw_sp_port_vlan->vid != vid) | |
348 | continue; | |
349 | return mlxsw_sp_port_vlan; | |
1e5d9432 NF |
350 | } |
351 | ||
c57529e1 IS |
352 | return NULL; |
353 | } | |
354 | ||
355 | static struct mlxsw_sp_port_vlan* | |
356 | mlxsw_sp_port_vlan_find_by_fid(struct mlxsw_sp_port *mlxsw_sp_port, | |
357 | u16 fid_index) | |
358 | { | |
359 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
360 | ||
361 | list_for_each_entry(mlxsw_sp_port_vlan, &mlxsw_sp_port->vlans_list, | |
362 | list) { | |
363 | struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid; | |
364 | ||
a1107487 | 365 | if (fid && mlxsw_sp_fid_index(fid) == fid_index) |
c57529e1 IS |
366 | return mlxsw_sp_port_vlan; |
367 | } | |
368 | ||
369 | return NULL; | |
370 | } | |
371 | ||
372 | static struct mlxsw_sp_bridge_vlan * | |
373 | mlxsw_sp_bridge_vlan_find(const struct mlxsw_sp_bridge_port *bridge_port, | |
374 | u16 vid) | |
375 | { | |
376 | struct mlxsw_sp_bridge_vlan *bridge_vlan; | |
377 | ||
378 | list_for_each_entry(bridge_vlan, &bridge_port->vlans_list, list) { | |
379 | if (bridge_vlan->vid == vid) | |
380 | return bridge_vlan; | |
381 | } | |
382 | ||
383 | return NULL; | |
384 | } | |
385 | ||
386 | static struct mlxsw_sp_bridge_vlan * | |
387 | mlxsw_sp_bridge_vlan_create(struct mlxsw_sp_bridge_port *bridge_port, u16 vid) | |
388 | { | |
389 | struct mlxsw_sp_bridge_vlan *bridge_vlan; | |
390 | ||
391 | bridge_vlan = kzalloc(sizeof(*bridge_vlan), GFP_KERNEL); | |
392 | if (!bridge_vlan) | |
393 | return NULL; | |
394 | ||
395 | INIT_LIST_HEAD(&bridge_vlan->port_vlan_list); | |
396 | bridge_vlan->vid = vid; | |
397 | list_add(&bridge_vlan->list, &bridge_port->vlans_list); | |
54a73201 | 398 | |
c57529e1 IS |
399 | return bridge_vlan; |
400 | } | |
401 | ||
402 | static void | |
403 | mlxsw_sp_bridge_vlan_destroy(struct mlxsw_sp_bridge_vlan *bridge_vlan) | |
404 | { | |
405 | list_del(&bridge_vlan->list); | |
406 | WARN_ON(!list_empty(&bridge_vlan->port_vlan_list)); | |
407 | kfree(bridge_vlan); | |
408 | } | |
409 | ||
410 | static struct mlxsw_sp_bridge_vlan * | |
411 | mlxsw_sp_bridge_vlan_get(struct mlxsw_sp_bridge_port *bridge_port, u16 vid) | |
412 | { | |
413 | struct mlxsw_sp_bridge_vlan *bridge_vlan; | |
414 | ||
415 | bridge_vlan = mlxsw_sp_bridge_vlan_find(bridge_port, vid); | |
416 | if (bridge_vlan) | |
417 | return bridge_vlan; | |
54a73201 | 418 | |
c57529e1 IS |
419 | return mlxsw_sp_bridge_vlan_create(bridge_port, vid); |
420 | } | |
421 | ||
422 | static void mlxsw_sp_bridge_vlan_put(struct mlxsw_sp_bridge_vlan *bridge_vlan) | |
423 | { | |
424 | if (list_empty(&bridge_vlan->port_vlan_list)) | |
425 | mlxsw_sp_bridge_vlan_destroy(bridge_vlan); | |
426 | } | |
427 | ||
428 | static void mlxsw_sp_port_bridge_flags_get(struct mlxsw_sp_bridge *bridge, | |
429 | struct net_device *dev, | |
430 | unsigned long *brport_flags) | |
431 | { | |
432 | struct mlxsw_sp_bridge_port *bridge_port; | |
433 | ||
434 | bridge_port = mlxsw_sp_bridge_port_find(bridge, dev); | |
435 | if (WARN_ON(!bridge_port)) | |
436 | return; | |
437 | ||
438 | memcpy(brport_flags, &bridge_port->flags, sizeof(*brport_flags)); | |
54a73201 IS |
439 | } |
440 | ||
56ade8fe JP |
441 | static int mlxsw_sp_port_attr_get(struct net_device *dev, |
442 | struct switchdev_attr *attr) | |
443 | { | |
444 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
445 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
446 | ||
447 | switch (attr->id) { | |
448 | case SWITCHDEV_ATTR_ID_PORT_PARENT_ID: | |
449 | attr->u.ppid.id_len = sizeof(mlxsw_sp->base_mac); | |
450 | memcpy(&attr->u.ppid.id, &mlxsw_sp->base_mac, | |
451 | attr->u.ppid.id_len); | |
452 | break; | |
453 | case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS: | |
c57529e1 IS |
454 | mlxsw_sp_port_bridge_flags_get(mlxsw_sp->bridge, attr->orig_dev, |
455 | &attr->u.brport_flags); | |
56ade8fe | 456 | break; |
c7b566cd AS |
457 | case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT: |
458 | attr->u.brport_flags_support = BR_LEARNING | BR_FLOOD; | |
459 | break; | |
56ade8fe JP |
460 | default: |
461 | return -EOPNOTSUPP; | |
462 | } | |
463 | ||
464 | return 0; | |
465 | } | |
466 | ||
c57529e1 IS |
467 | static int |
468 | mlxsw_sp_port_bridge_vlan_stp_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
469 | struct mlxsw_sp_bridge_vlan *bridge_vlan, | |
470 | u8 state) | |
471 | { | |
472 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
473 | ||
474 | list_for_each_entry(mlxsw_sp_port_vlan, &bridge_vlan->port_vlan_list, | |
475 | bridge_vlan_node) { | |
476 | if (mlxsw_sp_port_vlan->mlxsw_sp_port != mlxsw_sp_port) | |
477 | continue; | |
478 | return mlxsw_sp_port_vid_stp_set(mlxsw_sp_port, | |
479 | bridge_vlan->vid, state); | |
480 | } | |
481 | ||
482 | return 0; | |
483 | } | |
484 | ||
45bfe6b4 IS |
485 | static int mlxsw_sp_port_attr_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port, |
486 | struct switchdev_trans *trans, | |
c57529e1 | 487 | struct net_device *orig_dev, |
45bfe6b4 | 488 | u8 state) |
56ade8fe | 489 | { |
c57529e1 IS |
490 | struct mlxsw_sp_bridge_port *bridge_port; |
491 | struct mlxsw_sp_bridge_vlan *bridge_vlan; | |
56ade8fe JP |
492 | int err; |
493 | ||
45bfe6b4 IS |
494 | if (switchdev_trans_ph_prepare(trans)) |
495 | return 0; | |
54a73201 | 496 | |
c57529e1 IS |
497 | /* It's possible we failed to enslave the port, yet this |
498 | * operation is executed due to it being deferred. | |
499 | */ | |
500 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge, | |
501 | orig_dev); | |
502 | if (!bridge_port) | |
56ade8fe JP |
503 | return 0; |
504 | ||
c57529e1 IS |
505 | list_for_each_entry(bridge_vlan, &bridge_port->vlans_list, list) { |
506 | err = mlxsw_sp_port_bridge_vlan_stp_set(mlxsw_sp_port, | |
507 | bridge_vlan, state); | |
45bfe6b4 | 508 | if (err) |
c57529e1 | 509 | goto err_port_bridge_vlan_stp_set; |
45bfe6b4 | 510 | } |
c57529e1 IS |
511 | |
512 | bridge_port->stp_state = state; | |
45bfe6b4 IS |
513 | |
514 | return 0; | |
c57529e1 IS |
515 | |
516 | err_port_bridge_vlan_stp_set: | |
517 | list_for_each_entry_continue_reverse(bridge_vlan, | |
518 | &bridge_port->vlans_list, list) | |
519 | mlxsw_sp_port_bridge_vlan_stp_set(mlxsw_sp_port, bridge_vlan, | |
520 | bridge_port->stp_state); | |
521 | return err; | |
56ade8fe JP |
522 | } |
523 | ||
c57529e1 IS |
524 | static int |
525 | mlxsw_sp_port_bridge_vlan_flood_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
526 | struct mlxsw_sp_bridge_vlan *bridge_vlan, | |
a1107487 | 527 | enum mlxsw_sp_flood_type packet_type, |
c57529e1 | 528 | bool member) |
eaa7df3c | 529 | { |
c57529e1 | 530 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; |
0293038e | 531 | |
c57529e1 IS |
532 | list_for_each_entry(mlxsw_sp_port_vlan, &bridge_vlan->port_vlan_list, |
533 | bridge_vlan_node) { | |
534 | if (mlxsw_sp_port_vlan->mlxsw_sp_port != mlxsw_sp_port) | |
535 | continue; | |
a1107487 IS |
536 | return mlxsw_sp_fid_flood_set(mlxsw_sp_port_vlan->fid, |
537 | packet_type, | |
538 | mlxsw_sp_port->local_port, | |
539 | member); | |
c57529e1 | 540 | } |
aad8b6ba | 541 | |
eaa7df3c | 542 | return 0; |
0293038e IS |
543 | } |
544 | ||
c57529e1 IS |
545 | static int |
546 | mlxsw_sp_bridge_port_flood_table_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
547 | struct mlxsw_sp_bridge_port *bridge_port, | |
a1107487 | 548 | enum mlxsw_sp_flood_type packet_type, |
c57529e1 | 549 | bool member) |
0293038e | 550 | { |
c57529e1 | 551 | struct mlxsw_sp_bridge_vlan *bridge_vlan; |
0293038e IS |
552 | int err; |
553 | ||
c57529e1 IS |
554 | list_for_each_entry(bridge_vlan, &bridge_port->vlans_list, list) { |
555 | err = mlxsw_sp_port_bridge_vlan_flood_set(mlxsw_sp_port, | |
a1107487 IS |
556 | bridge_vlan, |
557 | packet_type, | |
c57529e1 IS |
558 | member); |
559 | if (err) | |
560 | goto err_port_bridge_vlan_flood_set; | |
0293038e IS |
561 | } |
562 | ||
563 | return 0; | |
564 | ||
c57529e1 IS |
565 | err_port_bridge_vlan_flood_set: |
566 | list_for_each_entry_continue_reverse(bridge_vlan, | |
567 | &bridge_port->vlans_list, list) | |
568 | mlxsw_sp_port_bridge_vlan_flood_set(mlxsw_sp_port, bridge_vlan, | |
a1107487 | 569 | packet_type, !member); |
0293038e IS |
570 | return err; |
571 | } | |
572 | ||
c57529e1 IS |
573 | static int |
574 | mlxsw_sp_port_bridge_vlan_learning_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
575 | struct mlxsw_sp_bridge_vlan *bridge_vlan, | |
576 | bool set) | |
90e0f0c1 | 577 | { |
c57529e1 IS |
578 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; |
579 | u16 vid = bridge_vlan->vid; | |
90e0f0c1 | 580 | |
c57529e1 IS |
581 | list_for_each_entry(mlxsw_sp_port_vlan, &bridge_vlan->port_vlan_list, |
582 | bridge_vlan_node) { | |
583 | if (mlxsw_sp_port_vlan->mlxsw_sp_port != mlxsw_sp_port) | |
584 | continue; | |
585 | return mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, set); | |
90e0f0c1 NF |
586 | } |
587 | ||
c57529e1 | 588 | return 0; |
7f71eb46 IS |
589 | } |
590 | ||
c57529e1 IS |
591 | static int |
592 | mlxsw_sp_bridge_port_learning_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
593 | struct mlxsw_sp_bridge_port *bridge_port, | |
594 | bool set) | |
89b548f0 | 595 | { |
c57529e1 | 596 | struct mlxsw_sp_bridge_vlan *bridge_vlan; |
89b548f0 IS |
597 | int err; |
598 | ||
c57529e1 IS |
599 | list_for_each_entry(bridge_vlan, &bridge_port->vlans_list, list) { |
600 | err = mlxsw_sp_port_bridge_vlan_learning_set(mlxsw_sp_port, | |
601 | bridge_vlan, set); | |
89b548f0 | 602 | if (err) |
c57529e1 | 603 | goto err_port_bridge_vlan_learning_set; |
89b548f0 IS |
604 | } |
605 | ||
606 | return 0; | |
607 | ||
c57529e1 IS |
608 | err_port_bridge_vlan_learning_set: |
609 | list_for_each_entry_continue_reverse(bridge_vlan, | |
610 | &bridge_port->vlans_list, list) | |
611 | mlxsw_sp_port_bridge_vlan_learning_set(mlxsw_sp_port, | |
612 | bridge_vlan, !set); | |
89b548f0 IS |
613 | return err; |
614 | } | |
615 | ||
56ade8fe JP |
616 | static int mlxsw_sp_port_attr_br_flags_set(struct mlxsw_sp_port *mlxsw_sp_port, |
617 | struct switchdev_trans *trans, | |
c57529e1 | 618 | struct net_device *orig_dev, |
56ade8fe JP |
619 | unsigned long brport_flags) |
620 | { | |
c57529e1 | 621 | struct mlxsw_sp_bridge_port *bridge_port; |
0293038e IS |
622 | int err; |
623 | ||
56ade8fe JP |
624 | if (switchdev_trans_ph_prepare(trans)) |
625 | return 0; | |
626 | ||
c57529e1 IS |
627 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge, |
628 | orig_dev); | |
17b334a8 IS |
629 | if (!bridge_port) |
630 | return 0; | |
0293038e | 631 | |
c57529e1 | 632 | err = mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port, bridge_port, |
a1107487 | 633 | MLXSW_SP_FLOOD_TYPE_UC, |
c57529e1 IS |
634 | brport_flags & BR_FLOOD); |
635 | if (err) | |
636 | return err; | |
89b548f0 | 637 | |
c57529e1 IS |
638 | err = mlxsw_sp_bridge_port_learning_set(mlxsw_sp_port, bridge_port, |
639 | brport_flags & BR_LEARNING); | |
640 | if (err) | |
641 | return err; | |
0293038e | 642 | |
c57529e1 | 643 | memcpy(&bridge_port->flags, &brport_flags, sizeof(brport_flags)); |
89b548f0 | 644 | |
c57529e1 | 645 | return 0; |
56ade8fe JP |
646 | } |
647 | ||
648 | static int mlxsw_sp_ageing_set(struct mlxsw_sp *mlxsw_sp, u32 ageing_time) | |
649 | { | |
650 | char sfdat_pl[MLXSW_REG_SFDAT_LEN]; | |
651 | int err; | |
652 | ||
653 | mlxsw_reg_sfdat_pack(sfdat_pl, ageing_time); | |
654 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdat), sfdat_pl); | |
655 | if (err) | |
656 | return err; | |
5f6935c6 | 657 | mlxsw_sp->bridge->ageing_time = ageing_time; |
56ade8fe JP |
658 | return 0; |
659 | } | |
660 | ||
661 | static int mlxsw_sp_port_attr_br_ageing_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
662 | struct switchdev_trans *trans, | |
135f9ece | 663 | unsigned long ageing_clock_t) |
56ade8fe JP |
664 | { |
665 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
135f9ece | 666 | unsigned long ageing_jiffies = clock_t_to_jiffies(ageing_clock_t); |
56ade8fe JP |
667 | u32 ageing_time = jiffies_to_msecs(ageing_jiffies) / 1000; |
668 | ||
869f63a4 IS |
669 | if (switchdev_trans_ph_prepare(trans)) { |
670 | if (ageing_time < MLXSW_SP_MIN_AGEING_TIME || | |
671 | ageing_time > MLXSW_SP_MAX_AGEING_TIME) | |
672 | return -ERANGE; | |
673 | else | |
674 | return 0; | |
675 | } | |
56ade8fe JP |
676 | |
677 | return mlxsw_sp_ageing_set(mlxsw_sp, ageing_time); | |
678 | } | |
679 | ||
26a4ea0f ER |
680 | static int mlxsw_sp_port_attr_br_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, |
681 | struct switchdev_trans *trans, | |
682 | struct net_device *orig_dev, | |
683 | bool vlan_enabled) | |
684 | { | |
685 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
c57529e1 | 686 | struct mlxsw_sp_bridge_device *bridge_device; |
26a4ea0f | 687 | |
c57529e1 IS |
688 | if (!switchdev_trans_ph_prepare(trans)) |
689 | return 0; | |
690 | ||
691 | bridge_device = mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, orig_dev); | |
692 | if (WARN_ON(!bridge_device)) | |
26a4ea0f | 693 | return -EINVAL; |
26a4ea0f | 694 | |
c57529e1 IS |
695 | if (bridge_device->vlan_enabled == vlan_enabled) |
696 | return 0; | |
697 | ||
698 | netdev_err(bridge_device->dev, "VLAN filtering can't be changed for existing bridge\n"); | |
699 | return -EINVAL; | |
26a4ea0f ER |
700 | } |
701 | ||
8ecd4591 NF |
702 | static int mlxsw_sp_port_attr_mc_router_set(struct mlxsw_sp_port *mlxsw_sp_port, |
703 | struct switchdev_trans *trans, | |
c57529e1 | 704 | struct net_device *orig_dev, |
8ecd4591 NF |
705 | bool is_port_mc_router) |
706 | { | |
c57529e1 IS |
707 | struct mlxsw_sp_bridge_port *bridge_port; |
708 | ||
709 | if (switchdev_trans_ph_prepare(trans)) | |
710 | return 0; | |
711 | ||
712 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge, | |
713 | orig_dev); | |
17b334a8 IS |
714 | if (!bridge_port) |
715 | return 0; | |
c57529e1 IS |
716 | |
717 | if (!bridge_port->bridge_device->multicast_enabled) | |
718 | return 0; | |
719 | ||
720 | return mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port, bridge_port, | |
a1107487 | 721 | MLXSW_SP_FLOOD_TYPE_MC, |
c57529e1 IS |
722 | is_port_mc_router); |
723 | } | |
724 | ||
725 | static int mlxsw_sp_port_mc_disabled_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
726 | struct switchdev_trans *trans, | |
727 | struct net_device *orig_dev, | |
728 | bool mc_disabled) | |
729 | { | |
730 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
731 | struct mlxsw_sp_bridge_device *bridge_device; | |
732 | struct mlxsw_sp_bridge_port *bridge_port; | |
733 | int err; | |
734 | ||
8ecd4591 NF |
735 | if (switchdev_trans_ph_prepare(trans)) |
736 | return 0; | |
737 | ||
c57529e1 IS |
738 | /* It's possible we failed to enslave the port, yet this |
739 | * operation is executed due to it being deferred. | |
740 | */ | |
741 | bridge_device = mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, orig_dev); | |
742 | if (!bridge_device) | |
743 | return 0; | |
744 | ||
745 | list_for_each_entry(bridge_port, &bridge_device->ports_list, list) { | |
a1107487 | 746 | enum mlxsw_sp_flood_type packet_type = MLXSW_SP_FLOOD_TYPE_MC; |
c57529e1 IS |
747 | bool member = mc_disabled ? true : bridge_port->mrouter; |
748 | ||
749 | err = mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port, | |
a1107487 IS |
750 | bridge_port, |
751 | packet_type, member); | |
c57529e1 IS |
752 | if (err) |
753 | return err; | |
754 | } | |
755 | ||
756 | bridge_device->multicast_enabled = !mc_disabled; | |
8ecd4591 NF |
757 | |
758 | return 0; | |
759 | } | |
760 | ||
56ade8fe JP |
761 | static int mlxsw_sp_port_attr_set(struct net_device *dev, |
762 | const struct switchdev_attr *attr, | |
763 | struct switchdev_trans *trans) | |
764 | { | |
765 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
c57529e1 | 766 | int err; |
54a73201 | 767 | |
56ade8fe JP |
768 | switch (attr->id) { |
769 | case SWITCHDEV_ATTR_ID_PORT_STP_STATE: | |
770 | err = mlxsw_sp_port_attr_stp_state_set(mlxsw_sp_port, trans, | |
c57529e1 | 771 | attr->orig_dev, |
56ade8fe JP |
772 | attr->u.stp_state); |
773 | break; | |
774 | case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS: | |
775 | err = mlxsw_sp_port_attr_br_flags_set(mlxsw_sp_port, trans, | |
c57529e1 | 776 | attr->orig_dev, |
56ade8fe JP |
777 | attr->u.brport_flags); |
778 | break; | |
779 | case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME: | |
780 | err = mlxsw_sp_port_attr_br_ageing_set(mlxsw_sp_port, trans, | |
781 | attr->u.ageing_time); | |
782 | break; | |
26a4ea0f ER |
783 | case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING: |
784 | err = mlxsw_sp_port_attr_br_vlan_set(mlxsw_sp_port, trans, | |
785 | attr->orig_dev, | |
786 | attr->u.vlan_filtering); | |
787 | break; | |
8ecd4591 NF |
788 | case SWITCHDEV_ATTR_ID_PORT_MROUTER: |
789 | err = mlxsw_sp_port_attr_mc_router_set(mlxsw_sp_port, trans, | |
c57529e1 | 790 | attr->orig_dev, |
8ecd4591 NF |
791 | attr->u.mrouter); |
792 | break; | |
90e0f0c1 NF |
793 | case SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED: |
794 | err = mlxsw_sp_port_mc_disabled_set(mlxsw_sp_port, trans, | |
c57529e1 | 795 | attr->orig_dev, |
90e0f0c1 NF |
796 | attr->u.mc_disabled); |
797 | break; | |
56ade8fe JP |
798 | default: |
799 | err = -EOPNOTSUPP; | |
800 | break; | |
801 | } | |
802 | ||
803 | return err; | |
804 | } | |
805 | ||
c57529e1 IS |
806 | static bool mlxsw_sp_mc_flood(const struct mlxsw_sp_bridge_port *bridge_port) |
807 | { | |
808 | const struct mlxsw_sp_bridge_device *bridge_device; | |
8168287b | 809 | |
c57529e1 IS |
810 | bridge_device = bridge_port->bridge_device; |
811 | return !bridge_device->multicast_enabled ? true : bridge_port->mrouter; | |
14d39461 IS |
812 | } |
813 | ||
c57529e1 IS |
814 | static int |
815 | mlxsw_sp_port_vlan_fid_join(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan, | |
816 | struct mlxsw_sp_bridge_port *bridge_port) | |
14d39461 | 817 | { |
c57529e1 | 818 | struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port; |
a1107487 IS |
819 | struct mlxsw_sp_bridge_device *bridge_device; |
820 | u8 local_port = mlxsw_sp_port->local_port; | |
c57529e1 IS |
821 | u16 vid = mlxsw_sp_port_vlan->vid; |
822 | struct mlxsw_sp_fid *fid; | |
fe9ccc78 | 823 | int err; |
14d39461 | 824 | |
a1107487 IS |
825 | bridge_device = bridge_port->bridge_device; |
826 | fid = bridge_device->ops->fid_get(bridge_device, vid); | |
c57529e1 IS |
827 | if (IS_ERR(fid)) |
828 | return PTR_ERR(fid); | |
829 | ||
a1107487 IS |
830 | err = mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_UC, local_port, |
831 | bridge_port->flags & BR_FLOOD); | |
fe9ccc78 | 832 | if (err) |
a1107487 | 833 | goto err_fid_uc_flood_set; |
14d39461 | 834 | |
a1107487 IS |
835 | err = mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_MC, local_port, |
836 | mlxsw_sp_mc_flood(bridge_port)); | |
c57529e1 | 837 | if (err) |
a1107487 | 838 | goto err_fid_mc_flood_set; |
8ecd4591 | 839 | |
a1107487 IS |
840 | err = mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_BC, local_port, |
841 | true); | |
14d39461 | 842 | if (err) |
a1107487 | 843 | goto err_fid_bc_flood_set; |
14d39461 | 844 | |
a1107487 | 845 | err = mlxsw_sp_fid_port_vid_map(fid, mlxsw_sp_port, vid); |
fe9ccc78 | 846 | if (err) |
a1107487 | 847 | goto err_fid_port_vid_map; |
c57529e1 IS |
848 | |
849 | mlxsw_sp_port_vlan->fid = fid; | |
14d39461 IS |
850 | |
851 | return 0; | |
852 | ||
a1107487 IS |
853 | err_fid_port_vid_map: |
854 | mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_BC, local_port, false); | |
855 | err_fid_bc_flood_set: | |
856 | mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_MC, local_port, false); | |
857 | err_fid_mc_flood_set: | |
858 | mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_UC, local_port, false); | |
859 | err_fid_uc_flood_set: | |
860 | mlxsw_sp_fid_put(fid); | |
14d39461 IS |
861 | return err; |
862 | } | |
863 | ||
c57529e1 IS |
864 | static void |
865 | mlxsw_sp_port_vlan_fid_leave(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan) | |
14d39461 | 866 | { |
c57529e1 | 867 | struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port; |
c57529e1 | 868 | struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid; |
a1107487 | 869 | u8 local_port = mlxsw_sp_port->local_port; |
c57529e1 IS |
870 | u16 vid = mlxsw_sp_port_vlan->vid; |
871 | ||
872 | mlxsw_sp_port_vlan->fid = NULL; | |
a1107487 IS |
873 | mlxsw_sp_fid_port_vid_unmap(fid, mlxsw_sp_port, vid); |
874 | mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_BC, local_port, false); | |
875 | mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_MC, local_port, false); | |
876 | mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_UC, local_port, false); | |
877 | mlxsw_sp_fid_put(fid); | |
14d39461 IS |
878 | } |
879 | ||
fe9ccc78 IS |
880 | static u16 |
881 | mlxsw_sp_port_pvid_determine(const struct mlxsw_sp_port *mlxsw_sp_port, | |
882 | u16 vid, bool is_pvid) | |
584d73df | 883 | { |
fe9ccc78 IS |
884 | if (is_pvid) |
885 | return vid; | |
886 | else if (mlxsw_sp_port->pvid == vid) | |
887 | return 0; /* Dis-allow untagged packets */ | |
888 | else | |
889 | return mlxsw_sp_port->pvid; | |
584d73df IS |
890 | } |
891 | ||
c57529e1 IS |
892 | static int |
893 | mlxsw_sp_port_vlan_bridge_join(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan, | |
894 | struct mlxsw_sp_bridge_port *bridge_port) | |
56ade8fe | 895 | { |
c57529e1 IS |
896 | struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port; |
897 | struct mlxsw_sp_bridge_vlan *bridge_vlan; | |
898 | u16 vid = mlxsw_sp_port_vlan->vid; | |
56ade8fe JP |
899 | int err; |
900 | ||
c57529e1 IS |
901 | /* No need to continue if only VLAN flags were changed */ |
902 | if (mlxsw_sp_port_vlan->bridge_port) | |
903 | return 0; | |
56ade8fe | 904 | |
c57529e1 | 905 | err = mlxsw_sp_port_vlan_fid_join(mlxsw_sp_port_vlan, bridge_port); |
fe9ccc78 | 906 | if (err) |
c57529e1 | 907 | return err; |
56ade8fe | 908 | |
fe9ccc78 | 909 | err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, |
c57529e1 | 910 | bridge_port->flags & BR_LEARNING); |
fe9ccc78 | 911 | if (err) |
584d73df | 912 | goto err_port_vid_learning_set; |
584d73df | 913 | |
fe9ccc78 | 914 | err = mlxsw_sp_port_vid_stp_set(mlxsw_sp_port, vid, |
c57529e1 | 915 | bridge_port->stp_state); |
fe9ccc78 IS |
916 | if (err) |
917 | goto err_port_vid_stp_set; | |
56ade8fe | 918 | |
c57529e1 IS |
919 | bridge_vlan = mlxsw_sp_bridge_vlan_get(bridge_port, vid); |
920 | if (!bridge_vlan) { | |
921 | err = -ENOMEM; | |
922 | goto err_bridge_vlan_get; | |
923 | } | |
924 | ||
925 | list_add(&mlxsw_sp_port_vlan->bridge_vlan_node, | |
926 | &bridge_vlan->port_vlan_list); | |
927 | ||
928 | mlxsw_sp_bridge_port_get(mlxsw_sp_port->mlxsw_sp->bridge, | |
929 | bridge_port->dev); | |
930 | mlxsw_sp_port_vlan->bridge_port = bridge_port; | |
b07a966c IS |
931 | |
932 | return 0; | |
933 | ||
c57529e1 IS |
934 | err_bridge_vlan_get: |
935 | mlxsw_sp_port_vid_stp_set(mlxsw_sp_port, vid, BR_STATE_DISABLED); | |
fe9ccc78 IS |
936 | err_port_vid_stp_set: |
937 | mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, false); | |
584d73df | 938 | err_port_vid_learning_set: |
c57529e1 IS |
939 | mlxsw_sp_port_vlan_fid_leave(mlxsw_sp_port_vlan); |
940 | return err; | |
941 | } | |
942 | ||
943 | void | |
944 | mlxsw_sp_port_vlan_bridge_leave(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan) | |
945 | { | |
946 | struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port; | |
947 | struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid; | |
948 | struct mlxsw_sp_bridge_vlan *bridge_vlan; | |
949 | struct mlxsw_sp_bridge_port *bridge_port; | |
950 | u16 vid = mlxsw_sp_port_vlan->vid; | |
951 | bool last; | |
952 | ||
a1107487 IS |
953 | if (WARN_ON(mlxsw_sp_fid_type(fid) != MLXSW_SP_FID_TYPE_8021Q && |
954 | mlxsw_sp_fid_type(fid) != MLXSW_SP_FID_TYPE_8021D)) | |
955 | return; | |
956 | ||
c57529e1 IS |
957 | bridge_port = mlxsw_sp_port_vlan->bridge_port; |
958 | bridge_vlan = mlxsw_sp_bridge_vlan_find(bridge_port, vid); | |
959 | last = list_is_singular(&bridge_vlan->port_vlan_list); | |
960 | ||
961 | list_del(&mlxsw_sp_port_vlan->bridge_vlan_node); | |
962 | mlxsw_sp_bridge_vlan_put(bridge_vlan); | |
963 | mlxsw_sp_port_vid_stp_set(mlxsw_sp_port, vid, BR_STATE_DISABLED); | |
964 | mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, false); | |
965 | if (last) | |
966 | mlxsw_sp_bridge_port_fdb_flush(mlxsw_sp_port->mlxsw_sp, | |
a1107487 IS |
967 | bridge_port, |
968 | mlxsw_sp_fid_index(fid)); | |
c57529e1 IS |
969 | mlxsw_sp_port_vlan_fid_leave(mlxsw_sp_port_vlan); |
970 | ||
971 | mlxsw_sp_bridge_port_put(mlxsw_sp_port->mlxsw_sp->bridge, bridge_port); | |
972 | mlxsw_sp_port_vlan->bridge_port = NULL; | |
973 | } | |
974 | ||
975 | static int | |
976 | mlxsw_sp_bridge_port_vlan_add(struct mlxsw_sp_port *mlxsw_sp_port, | |
977 | struct mlxsw_sp_bridge_port *bridge_port, | |
978 | u16 vid, bool is_untagged, bool is_pvid) | |
979 | { | |
980 | u16 pvid = mlxsw_sp_port_pvid_determine(mlxsw_sp_port, vid, is_pvid); | |
981 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
c57529e1 IS |
982 | u16 old_pvid = mlxsw_sp_port->pvid; |
983 | int err; | |
984 | ||
985 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_get(mlxsw_sp_port, vid); | |
986 | if (IS_ERR(mlxsw_sp_port_vlan)) | |
987 | return PTR_ERR(mlxsw_sp_port_vlan); | |
988 | ||
989 | err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, true, | |
990 | is_untagged); | |
991 | if (err) | |
992 | goto err_port_vlan_set; | |
993 | ||
994 | err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, pvid); | |
995 | if (err) | |
996 | goto err_port_pvid_set; | |
997 | ||
998 | err = mlxsw_sp_port_vlan_bridge_join(mlxsw_sp_port_vlan, bridge_port); | |
999 | if (err) | |
1000 | goto err_port_vlan_bridge_join; | |
1001 | ||
c57529e1 IS |
1002 | return 0; |
1003 | ||
1004 | err_port_vlan_bridge_join: | |
fe9ccc78 | 1005 | mlxsw_sp_port_pvid_set(mlxsw_sp_port, old_pvid); |
b07a966c | 1006 | err_port_pvid_set: |
fe9ccc78 IS |
1007 | mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false); |
1008 | err_port_vlan_set: | |
c57529e1 | 1009 | mlxsw_sp_port_vlan_put(mlxsw_sp_port_vlan); |
b07a966c | 1010 | return err; |
56ade8fe JP |
1011 | } |
1012 | ||
1013 | static int mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port, | |
1014 | const struct switchdev_obj_port_vlan *vlan, | |
1015 | struct switchdev_trans *trans) | |
1016 | { | |
e4a13055 ER |
1017 | bool flag_untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED; |
1018 | bool flag_pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID; | |
c57529e1 IS |
1019 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
1020 | struct net_device *orig_dev = vlan->obj.orig_dev; | |
1021 | struct mlxsw_sp_bridge_port *bridge_port; | |
fe9ccc78 | 1022 | u16 vid; |
56ade8fe JP |
1023 | |
1024 | if (switchdev_trans_ph_prepare(trans)) | |
1025 | return 0; | |
1026 | ||
c57529e1 IS |
1027 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); |
1028 | if (WARN_ON(!bridge_port)) | |
1029 | return -EINVAL; | |
1030 | ||
1031 | if (!bridge_port->bridge_device->vlan_enabled) | |
1032 | return 0; | |
1033 | ||
fe9ccc78 IS |
1034 | for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) { |
1035 | int err; | |
1036 | ||
c57529e1 IS |
1037 | err = mlxsw_sp_bridge_port_vlan_add(mlxsw_sp_port, bridge_port, |
1038 | vid, flag_untagged, | |
1039 | flag_pvid); | |
fe9ccc78 IS |
1040 | if (err) |
1041 | return err; | |
1042 | } | |
1043 | ||
1044 | return 0; | |
56ade8fe JP |
1045 | } |
1046 | ||
c57529e1 IS |
1047 | static enum mlxsw_reg_sfdf_flush_type mlxsw_sp_fdb_flush_type(bool lagged) |
1048 | { | |
1049 | return lagged ? MLXSW_REG_SFDF_FLUSH_PER_LAG_AND_FID : | |
1050 | MLXSW_REG_SFDF_FLUSH_PER_PORT_AND_FID; | |
1051 | } | |
1052 | ||
1053 | static int | |
1054 | mlxsw_sp_bridge_port_fdb_flush(struct mlxsw_sp *mlxsw_sp, | |
1055 | struct mlxsw_sp_bridge_port *bridge_port, | |
1056 | u16 fid_index) | |
1057 | { | |
1058 | bool lagged = bridge_port->lagged; | |
1059 | char sfdf_pl[MLXSW_REG_SFDF_LEN]; | |
1060 | u16 system_port; | |
1061 | ||
1062 | system_port = lagged ? bridge_port->lag_id : bridge_port->system_port; | |
1063 | mlxsw_reg_sfdf_pack(sfdf_pl, mlxsw_sp_fdb_flush_type(lagged)); | |
1064 | mlxsw_reg_sfdf_fid_set(sfdf_pl, fid_index); | |
1065 | mlxsw_reg_sfdf_port_fid_system_port_set(sfdf_pl, system_port); | |
1066 | ||
1067 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdf), sfdf_pl); | |
1068 | } | |
1069 | ||
8a1ab5d7 | 1070 | static enum mlxsw_reg_sfd_rec_policy mlxsw_sp_sfd_rec_policy(bool dynamic) |
56ade8fe | 1071 | { |
8a1ab5d7 JP |
1072 | return dynamic ? MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_INGRESS : |
1073 | MLXSW_REG_SFD_REC_POLICY_STATIC_ENTRY; | |
1074 | } | |
1075 | ||
1076 | static enum mlxsw_reg_sfd_op mlxsw_sp_sfd_op(bool adding) | |
1077 | { | |
1078 | return adding ? MLXSW_REG_SFD_OP_WRITE_EDIT : | |
1079 | MLXSW_REG_SFD_OP_WRITE_REMOVE; | |
1080 | } | |
1081 | ||
6e095fd4 IS |
1082 | static int __mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port, |
1083 | const char *mac, u16 fid, bool adding, | |
1084 | enum mlxsw_reg_sfd_rec_action action, | |
1085 | bool dynamic) | |
8a1ab5d7 | 1086 | { |
56ade8fe JP |
1087 | char *sfd_pl; |
1088 | int err; | |
1089 | ||
56ade8fe JP |
1090 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); |
1091 | if (!sfd_pl) | |
1092 | return -ENOMEM; | |
1093 | ||
8a1ab5d7 JP |
1094 | mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); |
1095 | mlxsw_reg_sfd_uc_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic), | |
6e095fd4 | 1096 | mac, fid, action, local_port); |
8a1ab5d7 JP |
1097 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
1098 | kfree(sfd_pl); | |
1099 | ||
1100 | return err; | |
1101 | } | |
1102 | ||
6e095fd4 IS |
1103 | static int mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port, |
1104 | const char *mac, u16 fid, bool adding, | |
1105 | bool dynamic) | |
1106 | { | |
1107 | return __mlxsw_sp_port_fdb_uc_op(mlxsw_sp, local_port, mac, fid, adding, | |
1108 | MLXSW_REG_SFD_REC_ACTION_NOP, dynamic); | |
1109 | } | |
1110 | ||
1111 | int mlxsw_sp_rif_fdb_op(struct mlxsw_sp *mlxsw_sp, const char *mac, u16 fid, | |
1112 | bool adding) | |
1113 | { | |
1114 | return __mlxsw_sp_port_fdb_uc_op(mlxsw_sp, 0, mac, fid, adding, | |
1115 | MLXSW_REG_SFD_REC_ACTION_FORWARD_IP_ROUTER, | |
1116 | false); | |
1117 | } | |
1118 | ||
8a1ab5d7 | 1119 | static int mlxsw_sp_port_fdb_uc_lag_op(struct mlxsw_sp *mlxsw_sp, u16 lag_id, |
64771e31 IS |
1120 | const char *mac, u16 fid, u16 lag_vid, |
1121 | bool adding, bool dynamic) | |
8a1ab5d7 JP |
1122 | { |
1123 | char *sfd_pl; | |
1124 | int err; | |
1125 | ||
1126 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); | |
1127 | if (!sfd_pl) | |
1128 | return -ENOMEM; | |
1129 | ||
1130 | mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); | |
1131 | mlxsw_reg_sfd_uc_lag_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic), | |
64771e31 IS |
1132 | mac, fid, MLXSW_REG_SFD_REC_ACTION_NOP, |
1133 | lag_vid, lag_id); | |
8a1ab5d7 | 1134 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
56ade8fe JP |
1135 | kfree(sfd_pl); |
1136 | ||
1137 | return err; | |
1138 | } | |
1139 | ||
af061378 AS |
1140 | static int |
1141 | mlxsw_sp_port_fdb_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
1142 | struct switchdev_notifier_fdb_info *fdb_info, bool adding) | |
1143 | { | |
1144 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1145 | struct net_device *orig_dev = fdb_info->info.dev; | |
1146 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
1147 | struct mlxsw_sp_bridge_device *bridge_device; | |
1148 | struct mlxsw_sp_bridge_port *bridge_port; | |
1149 | u16 fid_index, vid; | |
1150 | ||
1151 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); | |
1152 | if (!bridge_port) | |
1153 | return -EINVAL; | |
1154 | ||
1155 | bridge_device = bridge_port->bridge_device; | |
1156 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port, | |
1157 | bridge_device, | |
1158 | fdb_info->vid); | |
1159 | if (!mlxsw_sp_port_vlan) | |
1160 | return 0; | |
1161 | ||
1162 | fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid); | |
1163 | vid = mlxsw_sp_port_vlan->vid; | |
1164 | ||
1165 | if (!bridge_port->lagged) | |
1166 | return mlxsw_sp_port_fdb_uc_op(mlxsw_sp, | |
1167 | bridge_port->system_port, | |
1168 | fdb_info->addr, fid_index, | |
1169 | adding, false); | |
1170 | else | |
1171 | return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp, | |
1172 | bridge_port->lag_id, | |
1173 | fdb_info->addr, fid_index, | |
1174 | vid, adding, false); | |
1175 | } | |
1176 | ||
3a49b4fd ER |
1177 | static int mlxsw_sp_port_mdb_op(struct mlxsw_sp *mlxsw_sp, const char *addr, |
1178 | u16 fid, u16 mid, bool adding) | |
1179 | { | |
1180 | char *sfd_pl; | |
1181 | int err; | |
1182 | ||
1183 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); | |
1184 | if (!sfd_pl) | |
1185 | return -ENOMEM; | |
1186 | ||
1187 | mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); | |
1188 | mlxsw_reg_sfd_mc_pack(sfd_pl, 0, addr, fid, | |
1189 | MLXSW_REG_SFD_REC_ACTION_NOP, mid); | |
1190 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); | |
1191 | kfree(sfd_pl); | |
1192 | return err; | |
1193 | } | |
1194 | ||
1195 | static int mlxsw_sp_port_smid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 mid, | |
1196 | bool add, bool clear_all_ports) | |
1197 | { | |
1198 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1199 | char *smid_pl; | |
1200 | int err, i; | |
1201 | ||
1202 | smid_pl = kmalloc(MLXSW_REG_SMID_LEN, GFP_KERNEL); | |
1203 | if (!smid_pl) | |
1204 | return -ENOMEM; | |
1205 | ||
1206 | mlxsw_reg_smid_pack(smid_pl, mid, mlxsw_sp_port->local_port, add); | |
1207 | if (clear_all_ports) { | |
5ec2ee7d | 1208 | for (i = 1; i < mlxsw_core_max_ports(mlxsw_sp->core); i++) |
3a49b4fd ER |
1209 | if (mlxsw_sp->ports[i]) |
1210 | mlxsw_reg_smid_port_mask_set(smid_pl, i, 1); | |
1211 | } | |
1212 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(smid), smid_pl); | |
1213 | kfree(smid_pl); | |
1214 | return err; | |
1215 | } | |
1216 | ||
1217 | static struct mlxsw_sp_mid *__mlxsw_sp_mc_get(struct mlxsw_sp *mlxsw_sp, | |
1218 | const unsigned char *addr, | |
46d0847c | 1219 | u16 fid) |
3a49b4fd ER |
1220 | { |
1221 | struct mlxsw_sp_mid *mid; | |
1222 | ||
5f6935c6 | 1223 | list_for_each_entry(mid, &mlxsw_sp->bridge->mids_list, list) { |
46d0847c | 1224 | if (ether_addr_equal(mid->addr, addr) && mid->fid == fid) |
3a49b4fd ER |
1225 | return mid; |
1226 | } | |
1227 | return NULL; | |
1228 | } | |
1229 | ||
1230 | static struct mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp, | |
1231 | const unsigned char *addr, | |
46d0847c | 1232 | u16 fid) |
3a49b4fd ER |
1233 | { |
1234 | struct mlxsw_sp_mid *mid; | |
1235 | u16 mid_idx; | |
1236 | ||
5f6935c6 | 1237 | mid_idx = find_first_zero_bit(mlxsw_sp->bridge->mids_bitmap, |
3a49b4fd ER |
1238 | MLXSW_SP_MID_MAX); |
1239 | if (mid_idx == MLXSW_SP_MID_MAX) | |
1240 | return NULL; | |
1241 | ||
1242 | mid = kzalloc(sizeof(*mid), GFP_KERNEL); | |
1243 | if (!mid) | |
1244 | return NULL; | |
1245 | ||
5f6935c6 | 1246 | set_bit(mid_idx, mlxsw_sp->bridge->mids_bitmap); |
3a49b4fd | 1247 | ether_addr_copy(mid->addr, addr); |
46d0847c | 1248 | mid->fid = fid; |
3a49b4fd ER |
1249 | mid->mid = mid_idx; |
1250 | mid->ref_count = 0; | |
5f6935c6 | 1251 | list_add_tail(&mid->list, &mlxsw_sp->bridge->mids_list); |
3a49b4fd ER |
1252 | |
1253 | return mid; | |
1254 | } | |
1255 | ||
1256 | static int __mlxsw_sp_mc_dec_ref(struct mlxsw_sp *mlxsw_sp, | |
1257 | struct mlxsw_sp_mid *mid) | |
1258 | { | |
1259 | if (--mid->ref_count == 0) { | |
1260 | list_del(&mid->list); | |
5f6935c6 | 1261 | clear_bit(mid->mid, mlxsw_sp->bridge->mids_bitmap); |
3a49b4fd ER |
1262 | kfree(mid); |
1263 | return 1; | |
1264 | } | |
1265 | return 0; | |
1266 | } | |
1267 | ||
1268 | static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port, | |
1269 | const struct switchdev_obj_port_mdb *mdb, | |
1270 | struct switchdev_trans *trans) | |
1271 | { | |
1272 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
c57529e1 IS |
1273 | struct net_device *orig_dev = mdb->obj.orig_dev; |
1274 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
3a49b4fd | 1275 | struct net_device *dev = mlxsw_sp_port->dev; |
c57529e1 IS |
1276 | struct mlxsw_sp_bridge_device *bridge_device; |
1277 | struct mlxsw_sp_bridge_port *bridge_port; | |
3a49b4fd | 1278 | struct mlxsw_sp_mid *mid; |
c57529e1 | 1279 | u16 fid_index; |
3a49b4fd ER |
1280 | int err = 0; |
1281 | ||
1282 | if (switchdev_trans_ph_prepare(trans)) | |
1283 | return 0; | |
1284 | ||
c57529e1 | 1285 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); |
17b334a8 IS |
1286 | if (!bridge_port) |
1287 | return 0; | |
c57529e1 IS |
1288 | |
1289 | bridge_device = bridge_port->bridge_device; | |
1290 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port, | |
1291 | bridge_device, | |
1292 | mdb->vid); | |
17b334a8 IS |
1293 | if (!mlxsw_sp_port_vlan) |
1294 | return 0; | |
c57529e1 | 1295 | |
a1107487 | 1296 | fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid); |
c57529e1 IS |
1297 | |
1298 | mid = __mlxsw_sp_mc_get(mlxsw_sp, mdb->addr, fid_index); | |
3a49b4fd | 1299 | if (!mid) { |
c57529e1 | 1300 | mid = __mlxsw_sp_mc_alloc(mlxsw_sp, mdb->addr, fid_index); |
3a49b4fd ER |
1301 | if (!mid) { |
1302 | netdev_err(dev, "Unable to allocate MC group\n"); | |
1303 | return -ENOMEM; | |
1304 | } | |
1305 | } | |
1306 | mid->ref_count++; | |
1307 | ||
1308 | err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, true, | |
1309 | mid->ref_count == 1); | |
1310 | if (err) { | |
1311 | netdev_err(dev, "Unable to set SMID\n"); | |
1312 | goto err_out; | |
1313 | } | |
1314 | ||
1315 | if (mid->ref_count == 1) { | |
c57529e1 IS |
1316 | err = mlxsw_sp_port_mdb_op(mlxsw_sp, mdb->addr, fid_index, |
1317 | mid->mid, true); | |
3a49b4fd ER |
1318 | if (err) { |
1319 | netdev_err(dev, "Unable to set MC SFD\n"); | |
1320 | goto err_out; | |
1321 | } | |
1322 | } | |
1323 | ||
1324 | return 0; | |
1325 | ||
1326 | err_out: | |
1327 | __mlxsw_sp_mc_dec_ref(mlxsw_sp, mid); | |
1328 | return err; | |
1329 | } | |
1330 | ||
56ade8fe JP |
1331 | static int mlxsw_sp_port_obj_add(struct net_device *dev, |
1332 | const struct switchdev_obj *obj, | |
1333 | struct switchdev_trans *trans) | |
1334 | { | |
1335 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
1336 | int err = 0; | |
1337 | ||
1338 | switch (obj->id) { | |
1339 | case SWITCHDEV_OBJ_ID_PORT_VLAN: | |
1340 | err = mlxsw_sp_port_vlans_add(mlxsw_sp_port, | |
1341 | SWITCHDEV_OBJ_PORT_VLAN(obj), | |
1342 | trans); | |
1343 | break; | |
3a49b4fd ER |
1344 | case SWITCHDEV_OBJ_ID_PORT_MDB: |
1345 | err = mlxsw_sp_port_mdb_add(mlxsw_sp_port, | |
1346 | SWITCHDEV_OBJ_PORT_MDB(obj), | |
1347 | trans); | |
1348 | break; | |
56ade8fe JP |
1349 | default: |
1350 | err = -EOPNOTSUPP; | |
1351 | break; | |
1352 | } | |
1353 | ||
1354 | return err; | |
1355 | } | |
1356 | ||
c57529e1 IS |
1357 | static void |
1358 | mlxsw_sp_bridge_port_vlan_del(struct mlxsw_sp_port *mlxsw_sp_port, | |
1359 | struct mlxsw_sp_bridge_port *bridge_port, u16 vid) | |
56ade8fe | 1360 | { |
fe9ccc78 | 1361 | u16 pvid = mlxsw_sp_port->pvid == vid ? 0 : vid; |
c57529e1 | 1362 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; |
fe9ccc78 | 1363 | |
c57529e1 IS |
1364 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); |
1365 | if (WARN_ON(!mlxsw_sp_port_vlan)) | |
1366 | return; | |
1367 | ||
1368 | mlxsw_sp_port_vlan_bridge_leave(mlxsw_sp_port_vlan); | |
fe9ccc78 IS |
1369 | mlxsw_sp_port_pvid_set(mlxsw_sp_port, pvid); |
1370 | mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false); | |
c57529e1 | 1371 | mlxsw_sp_port_vlan_put(mlxsw_sp_port_vlan); |
56ade8fe JP |
1372 | } |
1373 | ||
1374 | static int mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port, | |
1375 | const struct switchdev_obj_port_vlan *vlan) | |
1376 | { | |
c57529e1 IS |
1377 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
1378 | struct net_device *orig_dev = vlan->obj.orig_dev; | |
1379 | struct mlxsw_sp_bridge_port *bridge_port; | |
fe9ccc78 IS |
1380 | u16 vid; |
1381 | ||
c57529e1 IS |
1382 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); |
1383 | if (WARN_ON(!bridge_port)) | |
1384 | return -EINVAL; | |
fe9ccc78 | 1385 | |
c57529e1 IS |
1386 | if (!bridge_port->bridge_device->vlan_enabled) |
1387 | return 0; | |
56ade8fe | 1388 | |
c57529e1 IS |
1389 | for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) |
1390 | mlxsw_sp_bridge_port_vlan_del(mlxsw_sp_port, bridge_port, vid); | |
4dc236c3 | 1391 | |
c57529e1 | 1392 | return 0; |
4dc236c3 IS |
1393 | } |
1394 | ||
3a49b4fd ER |
1395 | static int mlxsw_sp_port_mdb_del(struct mlxsw_sp_port *mlxsw_sp_port, |
1396 | const struct switchdev_obj_port_mdb *mdb) | |
1397 | { | |
1398 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
c57529e1 IS |
1399 | struct net_device *orig_dev = mdb->obj.orig_dev; |
1400 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
1401 | struct mlxsw_sp_bridge_device *bridge_device; | |
3a49b4fd | 1402 | struct net_device *dev = mlxsw_sp_port->dev; |
c57529e1 | 1403 | struct mlxsw_sp_bridge_port *bridge_port; |
3a49b4fd | 1404 | struct mlxsw_sp_mid *mid; |
c57529e1 | 1405 | u16 fid_index; |
3a49b4fd ER |
1406 | u16 mid_idx; |
1407 | int err = 0; | |
1408 | ||
c57529e1 | 1409 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); |
17b334a8 IS |
1410 | if (!bridge_port) |
1411 | return 0; | |
c57529e1 IS |
1412 | |
1413 | bridge_device = bridge_port->bridge_device; | |
1414 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port, | |
1415 | bridge_device, | |
1416 | mdb->vid); | |
17b334a8 IS |
1417 | if (!mlxsw_sp_port_vlan) |
1418 | return 0; | |
c57529e1 | 1419 | |
a1107487 | 1420 | fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid); |
c57529e1 IS |
1421 | |
1422 | mid = __mlxsw_sp_mc_get(mlxsw_sp, mdb->addr, fid_index); | |
3a49b4fd ER |
1423 | if (!mid) { |
1424 | netdev_err(dev, "Unable to remove port from MC DB\n"); | |
1425 | return -EINVAL; | |
1426 | } | |
1427 | ||
1428 | err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, false, false); | |
1429 | if (err) | |
1430 | netdev_err(dev, "Unable to remove port from SMID\n"); | |
1431 | ||
1432 | mid_idx = mid->mid; | |
1433 | if (__mlxsw_sp_mc_dec_ref(mlxsw_sp, mid)) { | |
c57529e1 IS |
1434 | err = mlxsw_sp_port_mdb_op(mlxsw_sp, mdb->addr, fid_index, |
1435 | mid_idx, false); | |
3a49b4fd ER |
1436 | if (err) |
1437 | netdev_err(dev, "Unable to remove MC SFD\n"); | |
1438 | } | |
1439 | ||
1440 | return err; | |
1441 | } | |
1442 | ||
56ade8fe JP |
1443 | static int mlxsw_sp_port_obj_del(struct net_device *dev, |
1444 | const struct switchdev_obj *obj) | |
1445 | { | |
1446 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
1447 | int err = 0; | |
1448 | ||
1449 | switch (obj->id) { | |
1450 | case SWITCHDEV_OBJ_ID_PORT_VLAN: | |
1451 | err = mlxsw_sp_port_vlans_del(mlxsw_sp_port, | |
1452 | SWITCHDEV_OBJ_PORT_VLAN(obj)); | |
1453 | break; | |
3a49b4fd ER |
1454 | case SWITCHDEV_OBJ_ID_PORT_MDB: |
1455 | err = mlxsw_sp_port_mdb_del(mlxsw_sp_port, | |
1456 | SWITCHDEV_OBJ_PORT_MDB(obj)); | |
00ae40e7 | 1457 | break; |
56ade8fe JP |
1458 | default: |
1459 | err = -EOPNOTSUPP; | |
1460 | break; | |
1461 | } | |
1462 | ||
1463 | return err; | |
1464 | } | |
1465 | ||
8a1ab5d7 JP |
1466 | static struct mlxsw_sp_port *mlxsw_sp_lag_rep_port(struct mlxsw_sp *mlxsw_sp, |
1467 | u16 lag_id) | |
1468 | { | |
1469 | struct mlxsw_sp_port *mlxsw_sp_port; | |
c1a38311 | 1470 | u64 max_lag_members; |
8a1ab5d7 JP |
1471 | int i; |
1472 | ||
c1a38311 JP |
1473 | max_lag_members = MLXSW_CORE_RES_GET(mlxsw_sp->core, |
1474 | MAX_LAG_MEMBERS); | |
1475 | for (i = 0; i < max_lag_members; i++) { | |
8a1ab5d7 JP |
1476 | mlxsw_sp_port = mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i); |
1477 | if (mlxsw_sp_port) | |
1478 | return mlxsw_sp_port; | |
1479 | } | |
1480 | return NULL; | |
1481 | } | |
1482 | ||
c7070fc4 | 1483 | static const struct switchdev_ops mlxsw_sp_port_switchdev_ops = { |
56ade8fe JP |
1484 | .switchdev_port_attr_get = mlxsw_sp_port_attr_get, |
1485 | .switchdev_port_attr_set = mlxsw_sp_port_attr_set, | |
1486 | .switchdev_port_obj_add = mlxsw_sp_port_obj_add, | |
1487 | .switchdev_port_obj_del = mlxsw_sp_port_obj_del, | |
56ade8fe JP |
1488 | }; |
1489 | ||
c57529e1 IS |
1490 | static int |
1491 | mlxsw_sp_bridge_8021q_port_join(struct mlxsw_sp_bridge_device *bridge_device, | |
1492 | struct mlxsw_sp_bridge_port *bridge_port, | |
1493 | struct mlxsw_sp_port *mlxsw_sp_port) | |
1494 | { | |
1495 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
1496 | ||
1497 | if (is_vlan_dev(bridge_port->dev)) | |
1498 | return -EINVAL; | |
1499 | ||
1500 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, 1); | |
1501 | if (WARN_ON(!mlxsw_sp_port_vlan)) | |
1502 | return -EINVAL; | |
1503 | ||
1504 | /* Let VLAN-aware bridge take care of its own VLANs */ | |
1505 | mlxsw_sp_port_vlan_put(mlxsw_sp_port_vlan); | |
1506 | ||
1507 | return 0; | |
1508 | } | |
1509 | ||
1510 | static void | |
1511 | mlxsw_sp_bridge_8021q_port_leave(struct mlxsw_sp_bridge_device *bridge_device, | |
1512 | struct mlxsw_sp_bridge_port *bridge_port, | |
1513 | struct mlxsw_sp_port *mlxsw_sp_port) | |
1514 | { | |
1515 | mlxsw_sp_port_vlan_get(mlxsw_sp_port, 1); | |
1516 | /* Make sure untagged frames are allowed to ingress */ | |
1517 | mlxsw_sp_port_pvid_set(mlxsw_sp_port, 1); | |
1518 | } | |
1519 | ||
a1107487 IS |
1520 | static struct mlxsw_sp_fid * |
1521 | mlxsw_sp_bridge_8021q_fid_get(struct mlxsw_sp_bridge_device *bridge_device, | |
1522 | u16 vid) | |
1523 | { | |
1524 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(bridge_device->dev); | |
1525 | ||
1526 | return mlxsw_sp_fid_8021q_get(mlxsw_sp, vid); | |
1527 | } | |
1528 | ||
c57529e1 IS |
1529 | static const struct mlxsw_sp_bridge_ops mlxsw_sp_bridge_8021q_ops = { |
1530 | .port_join = mlxsw_sp_bridge_8021q_port_join, | |
1531 | .port_leave = mlxsw_sp_bridge_8021q_port_leave, | |
a1107487 | 1532 | .fid_get = mlxsw_sp_bridge_8021q_fid_get, |
c57529e1 IS |
1533 | }; |
1534 | ||
1535 | static bool | |
1536 | mlxsw_sp_port_is_br_member(const struct mlxsw_sp_port *mlxsw_sp_port, | |
1537 | const struct net_device *br_dev) | |
1538 | { | |
1539 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
1540 | ||
1541 | list_for_each_entry(mlxsw_sp_port_vlan, &mlxsw_sp_port->vlans_list, | |
1542 | list) { | |
1543 | if (mlxsw_sp_port_vlan->bridge_port && | |
1544 | mlxsw_sp_port_vlan->bridge_port->bridge_device->dev == | |
1545 | br_dev) | |
1546 | return true; | |
1547 | } | |
1548 | ||
1549 | return false; | |
1550 | } | |
1551 | ||
1552 | static int | |
1553 | mlxsw_sp_bridge_8021d_port_join(struct mlxsw_sp_bridge_device *bridge_device, | |
1554 | struct mlxsw_sp_bridge_port *bridge_port, | |
1555 | struct mlxsw_sp_port *mlxsw_sp_port) | |
1556 | { | |
1557 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
c57529e1 IS |
1558 | u16 vid; |
1559 | ||
1560 | if (!is_vlan_dev(bridge_port->dev)) | |
1561 | return -EINVAL; | |
1562 | vid = vlan_dev_vlan_id(bridge_port->dev); | |
1563 | ||
1564 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); | |
1565 | if (WARN_ON(!mlxsw_sp_port_vlan)) | |
1566 | return -EINVAL; | |
c57529e1 IS |
1567 | |
1568 | if (mlxsw_sp_port_is_br_member(mlxsw_sp_port, bridge_device->dev)) { | |
1569 | netdev_err(mlxsw_sp_port->dev, "Can't bridge VLAN uppers of the same port\n"); | |
1570 | return -EINVAL; | |
1571 | } | |
1572 | ||
1573 | /* Port is no longer usable as a router interface */ | |
a1107487 IS |
1574 | if (mlxsw_sp_port_vlan->fid) |
1575 | mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port_vlan); | |
c57529e1 IS |
1576 | |
1577 | return mlxsw_sp_port_vlan_bridge_join(mlxsw_sp_port_vlan, bridge_port); | |
1578 | } | |
1579 | ||
1580 | static void | |
1581 | mlxsw_sp_bridge_8021d_port_leave(struct mlxsw_sp_bridge_device *bridge_device, | |
1582 | struct mlxsw_sp_bridge_port *bridge_port, | |
1583 | struct mlxsw_sp_port *mlxsw_sp_port) | |
1584 | { | |
1585 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
1586 | u16 vid = vlan_dev_vlan_id(bridge_port->dev); | |
1587 | ||
1588 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); | |
1589 | if (WARN_ON(!mlxsw_sp_port_vlan)) | |
1590 | return; | |
1591 | ||
1592 | mlxsw_sp_port_vlan_bridge_leave(mlxsw_sp_port_vlan); | |
1593 | } | |
1594 | ||
a1107487 IS |
1595 | static struct mlxsw_sp_fid * |
1596 | mlxsw_sp_bridge_8021d_fid_get(struct mlxsw_sp_bridge_device *bridge_device, | |
1597 | u16 vid) | |
1598 | { | |
1599 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(bridge_device->dev); | |
1600 | ||
1601 | return mlxsw_sp_fid_8021d_get(mlxsw_sp, bridge_device->dev->ifindex); | |
1602 | } | |
1603 | ||
c57529e1 IS |
1604 | static const struct mlxsw_sp_bridge_ops mlxsw_sp_bridge_8021d_ops = { |
1605 | .port_join = mlxsw_sp_bridge_8021d_port_join, | |
1606 | .port_leave = mlxsw_sp_bridge_8021d_port_leave, | |
a1107487 | 1607 | .fid_get = mlxsw_sp_bridge_8021d_fid_get, |
c57529e1 IS |
1608 | }; |
1609 | ||
1610 | int mlxsw_sp_port_bridge_join(struct mlxsw_sp_port *mlxsw_sp_port, | |
1611 | struct net_device *brport_dev, | |
1612 | struct net_device *br_dev) | |
1613 | { | |
1614 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1615 | struct mlxsw_sp_bridge_device *bridge_device; | |
1616 | struct mlxsw_sp_bridge_port *bridge_port; | |
1617 | int err; | |
1618 | ||
1619 | bridge_port = mlxsw_sp_bridge_port_get(mlxsw_sp->bridge, brport_dev); | |
1620 | if (IS_ERR(bridge_port)) | |
1621 | return PTR_ERR(bridge_port); | |
1622 | bridge_device = bridge_port->bridge_device; | |
1623 | ||
1624 | err = bridge_device->ops->port_join(bridge_device, bridge_port, | |
1625 | mlxsw_sp_port); | |
1626 | if (err) | |
1627 | goto err_port_join; | |
1628 | ||
1629 | return 0; | |
1630 | ||
1631 | err_port_join: | |
1632 | mlxsw_sp_bridge_port_put(mlxsw_sp->bridge, bridge_port); | |
1633 | return err; | |
1634 | } | |
1635 | ||
1636 | void mlxsw_sp_port_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_port, | |
1637 | struct net_device *brport_dev, | |
1638 | struct net_device *br_dev) | |
1639 | { | |
1640 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1641 | struct mlxsw_sp_bridge_device *bridge_device; | |
1642 | struct mlxsw_sp_bridge_port *bridge_port; | |
1643 | ||
1644 | bridge_device = mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, br_dev); | |
1645 | if (!bridge_device) | |
1646 | return; | |
1647 | bridge_port = __mlxsw_sp_bridge_port_find(bridge_device, brport_dev); | |
1648 | if (!bridge_port) | |
1649 | return; | |
1650 | ||
1651 | bridge_device->ops->port_leave(bridge_device, bridge_port, | |
1652 | mlxsw_sp_port); | |
1653 | mlxsw_sp_bridge_port_put(mlxsw_sp->bridge, bridge_port); | |
1654 | } | |
1655 | ||
1b40dc3d AS |
1656 | static void |
1657 | mlxsw_sp_fdb_call_notifiers(enum switchdev_notifier_type type, | |
1658 | const char *mac, u16 vid, | |
1659 | struct net_device *dev) | |
8a1ab5d7 JP |
1660 | { |
1661 | struct switchdev_notifier_fdb_info info; | |
8a1ab5d7 | 1662 | |
a989cdb4 AS |
1663 | info.addr = mac; |
1664 | info.vid = vid; | |
1b40dc3d | 1665 | call_switchdev_notifiers(type, dev, &info.info); |
8a1ab5d7 JP |
1666 | } |
1667 | ||
56ade8fe JP |
1668 | static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp, |
1669 | char *sfn_pl, int rec_index, | |
1670 | bool adding) | |
1671 | { | |
c57529e1 IS |
1672 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; |
1673 | struct mlxsw_sp_bridge_device *bridge_device; | |
1674 | struct mlxsw_sp_bridge_port *bridge_port; | |
56ade8fe | 1675 | struct mlxsw_sp_port *mlxsw_sp_port; |
1b40dc3d | 1676 | enum switchdev_notifier_type type; |
56ade8fe JP |
1677 | char mac[ETH_ALEN]; |
1678 | u8 local_port; | |
9de6a80e | 1679 | u16 vid, fid; |
12f1501e | 1680 | bool do_notification = true; |
56ade8fe JP |
1681 | int err; |
1682 | ||
9de6a80e | 1683 | mlxsw_reg_sfn_mac_unpack(sfn_pl, rec_index, mac, &fid, &local_port); |
56ade8fe JP |
1684 | mlxsw_sp_port = mlxsw_sp->ports[local_port]; |
1685 | if (!mlxsw_sp_port) { | |
1686 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Incorrect local port in FDB notification\n"); | |
12f1501e | 1687 | goto just_remove; |
56ade8fe JP |
1688 | } |
1689 | ||
c57529e1 IS |
1690 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_fid(mlxsw_sp_port, fid); |
1691 | if (!mlxsw_sp_port_vlan) { | |
1692 | netdev_err(mlxsw_sp_port->dev, "Failed to find a matching {Port, VID} following FDB notification\n"); | |
1693 | goto just_remove; | |
1694 | } | |
aac78a44 | 1695 | |
c57529e1 IS |
1696 | bridge_port = mlxsw_sp_port_vlan->bridge_port; |
1697 | if (!bridge_port) { | |
1698 | netdev_err(mlxsw_sp_port->dev, "{Port, VID} not associated with a bridge\n"); | |
1699 | goto just_remove; | |
aac78a44 IS |
1700 | } |
1701 | ||
c57529e1 IS |
1702 | bridge_device = bridge_port->bridge_device; |
1703 | vid = bridge_device->vlan_enabled ? mlxsw_sp_port_vlan->vid : 0; | |
1704 | ||
12f1501e | 1705 | do_fdb_op: |
2fa9d45e | 1706 | err = mlxsw_sp_port_fdb_uc_op(mlxsw_sp, local_port, mac, fid, |
12f1501e | 1707 | adding, true); |
56ade8fe | 1708 | if (err) { |
c0e01eac | 1709 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to set FDB entry\n"); |
56ade8fe JP |
1710 | return; |
1711 | } | |
1712 | ||
12f1501e JP |
1713 | if (!do_notification) |
1714 | return; | |
1b40dc3d AS |
1715 | type = adding ? SWITCHDEV_FDB_ADD_TO_BRIDGE : SWITCHDEV_FDB_DEL_TO_BRIDGE; |
1716 | mlxsw_sp_fdb_call_notifiers(type, mac, vid, bridge_port->dev); | |
a989cdb4 | 1717 | |
12f1501e JP |
1718 | return; |
1719 | ||
1720 | just_remove: | |
1721 | adding = false; | |
1722 | do_notification = false; | |
1723 | goto do_fdb_op; | |
8a1ab5d7 | 1724 | } |
56ade8fe | 1725 | |
8a1ab5d7 JP |
1726 | static void mlxsw_sp_fdb_notify_mac_lag_process(struct mlxsw_sp *mlxsw_sp, |
1727 | char *sfn_pl, int rec_index, | |
1728 | bool adding) | |
1729 | { | |
c57529e1 IS |
1730 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; |
1731 | struct mlxsw_sp_bridge_device *bridge_device; | |
1732 | struct mlxsw_sp_bridge_port *bridge_port; | |
8a1ab5d7 | 1733 | struct mlxsw_sp_port *mlxsw_sp_port; |
1b40dc3d | 1734 | enum switchdev_notifier_type type; |
8a1ab5d7 | 1735 | char mac[ETH_ALEN]; |
64771e31 | 1736 | u16 lag_vid = 0; |
8a1ab5d7 | 1737 | u16 lag_id; |
9de6a80e | 1738 | u16 vid, fid; |
12f1501e | 1739 | bool do_notification = true; |
8a1ab5d7 JP |
1740 | int err; |
1741 | ||
9de6a80e | 1742 | mlxsw_reg_sfn_mac_lag_unpack(sfn_pl, rec_index, mac, &fid, &lag_id); |
8a1ab5d7 JP |
1743 | mlxsw_sp_port = mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id); |
1744 | if (!mlxsw_sp_port) { | |
1745 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Cannot find port representor for LAG\n"); | |
12f1501e | 1746 | goto just_remove; |
56ade8fe | 1747 | } |
8a1ab5d7 | 1748 | |
c57529e1 IS |
1749 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_fid(mlxsw_sp_port, fid); |
1750 | if (!mlxsw_sp_port_vlan) { | |
1751 | netdev_err(mlxsw_sp_port->dev, "Failed to find a matching {Port, VID} following FDB notification\n"); | |
1752 | goto just_remove; | |
1753 | } | |
aac78a44 | 1754 | |
c57529e1 IS |
1755 | bridge_port = mlxsw_sp_port_vlan->bridge_port; |
1756 | if (!bridge_port) { | |
1757 | netdev_err(mlxsw_sp_port->dev, "{Port, VID} not associated with a bridge\n"); | |
1758 | goto just_remove; | |
aac78a44 IS |
1759 | } |
1760 | ||
c57529e1 IS |
1761 | bridge_device = bridge_port->bridge_device; |
1762 | vid = bridge_device->vlan_enabled ? mlxsw_sp_port_vlan->vid : 0; | |
1763 | lag_vid = mlxsw_sp_port_vlan->vid; | |
1764 | ||
12f1501e | 1765 | do_fdb_op: |
64771e31 | 1766 | err = mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp, lag_id, mac, fid, lag_vid, |
12f1501e | 1767 | adding, true); |
8a1ab5d7 | 1768 | if (err) { |
c0e01eac | 1769 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to set FDB entry\n"); |
8a1ab5d7 JP |
1770 | return; |
1771 | } | |
1772 | ||
12f1501e JP |
1773 | if (!do_notification) |
1774 | return; | |
1b40dc3d AS |
1775 | type = adding ? SWITCHDEV_FDB_ADD_TO_BRIDGE : SWITCHDEV_FDB_DEL_TO_BRIDGE; |
1776 | mlxsw_sp_fdb_call_notifiers(type, mac, vid, bridge_port->dev); | |
a989cdb4 | 1777 | |
12f1501e JP |
1778 | return; |
1779 | ||
1780 | just_remove: | |
1781 | adding = false; | |
1782 | do_notification = false; | |
1783 | goto do_fdb_op; | |
56ade8fe JP |
1784 | } |
1785 | ||
1786 | static void mlxsw_sp_fdb_notify_rec_process(struct mlxsw_sp *mlxsw_sp, | |
1787 | char *sfn_pl, int rec_index) | |
1788 | { | |
1789 | switch (mlxsw_reg_sfn_rec_type_get(sfn_pl, rec_index)) { | |
1790 | case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC: | |
1791 | mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl, | |
1792 | rec_index, true); | |
1793 | break; | |
1794 | case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC: | |
1795 | mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl, | |
1796 | rec_index, false); | |
1797 | break; | |
8a1ab5d7 JP |
1798 | case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC_LAG: |
1799 | mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl, | |
1800 | rec_index, true); | |
1801 | break; | |
1802 | case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC_LAG: | |
1803 | mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl, | |
1804 | rec_index, false); | |
1805 | break; | |
56ade8fe JP |
1806 | } |
1807 | } | |
1808 | ||
1809 | static void mlxsw_sp_fdb_notify_work_schedule(struct mlxsw_sp *mlxsw_sp) | |
1810 | { | |
5f6935c6 IS |
1811 | struct mlxsw_sp_bridge *bridge = mlxsw_sp->bridge; |
1812 | ||
1813 | mlxsw_core_schedule_dw(&bridge->fdb_notify.dw, | |
1814 | msecs_to_jiffies(bridge->fdb_notify.interval)); | |
56ade8fe JP |
1815 | } |
1816 | ||
1817 | static void mlxsw_sp_fdb_notify_work(struct work_struct *work) | |
1818 | { | |
5f6935c6 | 1819 | struct mlxsw_sp_bridge *bridge; |
56ade8fe JP |
1820 | struct mlxsw_sp *mlxsw_sp; |
1821 | char *sfn_pl; | |
1822 | u8 num_rec; | |
1823 | int i; | |
1824 | int err; | |
1825 | ||
1826 | sfn_pl = kmalloc(MLXSW_REG_SFN_LEN, GFP_KERNEL); | |
1827 | if (!sfn_pl) | |
1828 | return; | |
1829 | ||
5f6935c6 IS |
1830 | bridge = container_of(work, struct mlxsw_sp_bridge, fdb_notify.dw.work); |
1831 | mlxsw_sp = bridge->mlxsw_sp; | |
56ade8fe | 1832 | |
4f2c6ae5 | 1833 | rtnl_lock(); |
1803e0fb IS |
1834 | mlxsw_reg_sfn_pack(sfn_pl); |
1835 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfn), sfn_pl); | |
1836 | if (err) { | |
1837 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to get FDB notifications\n"); | |
1838 | goto out; | |
1839 | } | |
1840 | num_rec = mlxsw_reg_sfn_num_rec_get(sfn_pl); | |
1841 | for (i = 0; i < num_rec; i++) | |
1842 | mlxsw_sp_fdb_notify_rec_process(mlxsw_sp, sfn_pl, i); | |
56ade8fe | 1843 | |
1803e0fb | 1844 | out: |
4f2c6ae5 | 1845 | rtnl_unlock(); |
56ade8fe JP |
1846 | kfree(sfn_pl); |
1847 | mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp); | |
1848 | } | |
1849 | ||
af061378 AS |
1850 | struct mlxsw_sp_switchdev_event_work { |
1851 | struct work_struct work; | |
1852 | struct switchdev_notifier_fdb_info fdb_info; | |
1853 | struct net_device *dev; | |
1854 | unsigned long event; | |
1855 | }; | |
1856 | ||
1857 | static void mlxsw_sp_switchdev_event_work(struct work_struct *work) | |
1858 | { | |
1859 | struct mlxsw_sp_switchdev_event_work *switchdev_work = | |
1860 | container_of(work, struct mlxsw_sp_switchdev_event_work, work); | |
1861 | struct net_device *dev = switchdev_work->dev; | |
1862 | struct switchdev_notifier_fdb_info *fdb_info; | |
1863 | struct mlxsw_sp_port *mlxsw_sp_port; | |
1864 | int err; | |
1865 | ||
1866 | rtnl_lock(); | |
1867 | mlxsw_sp_port = mlxsw_sp_port_dev_lower_find(dev); | |
1868 | if (!mlxsw_sp_port) | |
1869 | goto out; | |
1870 | ||
1871 | switch (switchdev_work->event) { | |
1872 | case SWITCHDEV_FDB_ADD_TO_DEVICE: | |
1873 | fdb_info = &switchdev_work->fdb_info; | |
1874 | err = mlxsw_sp_port_fdb_set(mlxsw_sp_port, fdb_info, true); | |
1875 | if (err) | |
1876 | break; | |
1877 | mlxsw_sp_fdb_call_notifiers(SWITCHDEV_FDB_OFFLOADED, | |
1878 | fdb_info->addr, | |
1879 | fdb_info->vid, dev); | |
1880 | break; | |
1881 | case SWITCHDEV_FDB_DEL_TO_DEVICE: | |
1882 | fdb_info = &switchdev_work->fdb_info; | |
1883 | mlxsw_sp_port_fdb_set(mlxsw_sp_port, fdb_info, false); | |
1884 | break; | |
1885 | } | |
1886 | ||
1887 | out: | |
1888 | rtnl_unlock(); | |
1889 | kfree(switchdev_work->fdb_info.addr); | |
1890 | kfree(switchdev_work); | |
1891 | dev_put(dev); | |
1892 | } | |
1893 | ||
1894 | /* Called under rcu_read_lock() */ | |
1895 | static int mlxsw_sp_switchdev_event(struct notifier_block *unused, | |
1896 | unsigned long event, void *ptr) | |
1897 | { | |
1898 | struct net_device *dev = switchdev_notifier_info_to_dev(ptr); | |
1899 | struct mlxsw_sp_switchdev_event_work *switchdev_work; | |
1900 | struct switchdev_notifier_fdb_info *fdb_info = ptr; | |
1901 | ||
1902 | if (!mlxsw_sp_port_dev_lower_find_rcu(dev)) | |
1903 | return NOTIFY_DONE; | |
1904 | ||
1905 | switchdev_work = kzalloc(sizeof(*switchdev_work), GFP_ATOMIC); | |
1906 | if (!switchdev_work) | |
1907 | return NOTIFY_BAD; | |
1908 | ||
1909 | INIT_WORK(&switchdev_work->work, mlxsw_sp_switchdev_event_work); | |
1910 | switchdev_work->dev = dev; | |
1911 | switchdev_work->event = event; | |
1912 | ||
1913 | switch (event) { | |
1914 | case SWITCHDEV_FDB_ADD_TO_DEVICE: /* fall through */ | |
1915 | case SWITCHDEV_FDB_DEL_TO_DEVICE: | |
1916 | memcpy(&switchdev_work->fdb_info, ptr, | |
1917 | sizeof(switchdev_work->fdb_info)); | |
1918 | switchdev_work->fdb_info.addr = kzalloc(ETH_ALEN, GFP_ATOMIC); | |
6f497930 IS |
1919 | if (!switchdev_work->fdb_info.addr) |
1920 | goto err_addr_alloc; | |
af061378 AS |
1921 | ether_addr_copy((u8 *)switchdev_work->fdb_info.addr, |
1922 | fdb_info->addr); | |
1923 | /* Take a reference on the device. This can be either | |
1924 | * upper device containig mlxsw_sp_port or just a | |
1925 | * mlxsw_sp_port | |
1926 | */ | |
1927 | dev_hold(dev); | |
1928 | break; | |
1929 | default: | |
1930 | kfree(switchdev_work); | |
1931 | return NOTIFY_DONE; | |
1932 | } | |
1933 | ||
1934 | mlxsw_core_schedule_work(&switchdev_work->work); | |
1935 | ||
1936 | return NOTIFY_DONE; | |
6f497930 IS |
1937 | |
1938 | err_addr_alloc: | |
1939 | kfree(switchdev_work); | |
1940 | return NOTIFY_BAD; | |
af061378 AS |
1941 | } |
1942 | ||
1943 | static struct notifier_block mlxsw_sp_switchdev_notifier = { | |
1944 | .notifier_call = mlxsw_sp_switchdev_event, | |
1945 | }; | |
1946 | ||
56ade8fe JP |
1947 | static int mlxsw_sp_fdb_init(struct mlxsw_sp *mlxsw_sp) |
1948 | { | |
5f6935c6 | 1949 | struct mlxsw_sp_bridge *bridge = mlxsw_sp->bridge; |
56ade8fe JP |
1950 | int err; |
1951 | ||
1952 | err = mlxsw_sp_ageing_set(mlxsw_sp, MLXSW_SP_DEFAULT_AGEING_TIME); | |
1953 | if (err) { | |
1954 | dev_err(mlxsw_sp->bus_info->dev, "Failed to set default ageing time\n"); | |
1955 | return err; | |
1956 | } | |
af061378 AS |
1957 | |
1958 | err = register_switchdev_notifier(&mlxsw_sp_switchdev_notifier); | |
1959 | if (err) { | |
1960 | dev_err(mlxsw_sp->bus_info->dev, "Failed to register switchdev notifier\n"); | |
1961 | return err; | |
1962 | } | |
1963 | ||
5f6935c6 IS |
1964 | INIT_DELAYED_WORK(&bridge->fdb_notify.dw, mlxsw_sp_fdb_notify_work); |
1965 | bridge->fdb_notify.interval = MLXSW_SP_DEFAULT_LEARNING_INTERVAL; | |
56ade8fe JP |
1966 | mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp); |
1967 | return 0; | |
1968 | } | |
1969 | ||
1970 | static void mlxsw_sp_fdb_fini(struct mlxsw_sp *mlxsw_sp) | |
1971 | { | |
5f6935c6 | 1972 | cancel_delayed_work_sync(&mlxsw_sp->bridge->fdb_notify.dw); |
af061378 AS |
1973 | unregister_switchdev_notifier(&mlxsw_sp_switchdev_notifier); |
1974 | ||
56ade8fe JP |
1975 | } |
1976 | ||
852cfeed IS |
1977 | static void mlxsw_sp_mids_fini(struct mlxsw_sp *mlxsw_sp) |
1978 | { | |
1979 | struct mlxsw_sp_mid *mid, *tmp; | |
1980 | ||
1981 | list_for_each_entry_safe(mid, tmp, &mlxsw_sp->bridge->mids_list, list) { | |
1982 | list_del(&mid->list); | |
1983 | clear_bit(mid->mid, mlxsw_sp->bridge->mids_bitmap); | |
1984 | kfree(mid); | |
1985 | } | |
1986 | } | |
1987 | ||
56ade8fe JP |
1988 | int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp) |
1989 | { | |
5f6935c6 IS |
1990 | struct mlxsw_sp_bridge *bridge; |
1991 | ||
1992 | bridge = kzalloc(sizeof(*mlxsw_sp->bridge), GFP_KERNEL); | |
1993 | if (!bridge) | |
1994 | return -ENOMEM; | |
1995 | mlxsw_sp->bridge = bridge; | |
1996 | bridge->mlxsw_sp = mlxsw_sp; | |
1997 | ||
c57529e1 | 1998 | INIT_LIST_HEAD(&mlxsw_sp->bridge->bridges_list); |
5f6935c6 IS |
1999 | INIT_LIST_HEAD(&mlxsw_sp->bridge->mids_list); |
2000 | ||
c57529e1 IS |
2001 | bridge->bridge_8021q_ops = &mlxsw_sp_bridge_8021q_ops; |
2002 | bridge->bridge_8021d_ops = &mlxsw_sp_bridge_8021d_ops; | |
2003 | ||
56ade8fe JP |
2004 | return mlxsw_sp_fdb_init(mlxsw_sp); |
2005 | } | |
2006 | ||
2007 | void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp) | |
2008 | { | |
2009 | mlxsw_sp_fdb_fini(mlxsw_sp); | |
852cfeed | 2010 | mlxsw_sp_mids_fini(mlxsw_sp); |
c57529e1 | 2011 | WARN_ON(!list_empty(&mlxsw_sp->bridge->bridges_list)); |
5f6935c6 | 2012 | kfree(mlxsw_sp->bridge); |
56ade8fe JP |
2013 | } |
2014 | ||
56ade8fe JP |
2015 | void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port) |
2016 | { | |
2017 | mlxsw_sp_port->dev->switchdev_ops = &mlxsw_sp_port_switchdev_ops; | |
2018 | } | |
2019 | ||
2020 | void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port) | |
2021 | { | |
2022 | } |