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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> |
9b63ef88 | 49 | #include <linux/netlink.h> |
56ade8fe JP |
50 | #include <net/switchdev.h> |
51 | ||
c4db953f | 52 | #include "spectrum_router.h" |
56ade8fe JP |
53 | #include "spectrum.h" |
54 | #include "core.h" | |
55 | #include "reg.h" | |
56 | ||
c57529e1 IS |
57 | struct mlxsw_sp_bridge_ops; |
58 | ||
5f6935c6 IS |
59 | struct mlxsw_sp_bridge { |
60 | struct mlxsw_sp *mlxsw_sp; | |
61 | struct { | |
62 | struct delayed_work dw; | |
63 | #define MLXSW_SP_DEFAULT_LEARNING_INTERVAL 100 | |
64 | unsigned int interval; /* ms */ | |
65 | } fdb_notify; | |
66 | #define MLXSW_SP_MIN_AGEING_TIME 10 | |
67 | #define MLXSW_SP_MAX_AGEING_TIME 1000000 | |
68 | #define MLXSW_SP_DEFAULT_AGEING_TIME 300 | |
69 | u32 ageing_time; | |
c57529e1 IS |
70 | bool vlan_enabled_exists; |
71 | struct list_head bridges_list; | |
5f6935c6 | 72 | DECLARE_BITMAP(mids_bitmap, MLXSW_SP_MID_MAX); |
c57529e1 IS |
73 | const struct mlxsw_sp_bridge_ops *bridge_8021q_ops; |
74 | const struct mlxsw_sp_bridge_ops *bridge_8021d_ops; | |
75 | }; | |
76 | ||
77 | struct mlxsw_sp_bridge_device { | |
78 | struct net_device *dev; | |
79 | struct list_head list; | |
80 | struct list_head ports_list; | |
b80888a9 | 81 | struct list_head mids_list; |
c57529e1 | 82 | u8 vlan_enabled:1, |
593bc28a YG |
83 | multicast_enabled:1, |
84 | mrouter:1; | |
c57529e1 IS |
85 | const struct mlxsw_sp_bridge_ops *ops; |
86 | }; | |
87 | ||
88 | struct mlxsw_sp_bridge_port { | |
89 | struct net_device *dev; | |
90 | struct mlxsw_sp_bridge_device *bridge_device; | |
91 | struct list_head list; | |
92 | struct list_head vlans_list; | |
93 | unsigned int ref_count; | |
94 | u8 stp_state; | |
95 | unsigned long flags; | |
96 | bool mrouter; | |
97 | bool lagged; | |
98 | union { | |
99 | u16 lag_id; | |
100 | u16 system_port; | |
101 | }; | |
102 | }; | |
103 | ||
104 | struct mlxsw_sp_bridge_vlan { | |
105 | struct list_head list; | |
106 | struct list_head port_vlan_list; | |
107 | u16 vid; | |
5f6935c6 IS |
108 | }; |
109 | ||
c57529e1 IS |
110 | struct mlxsw_sp_bridge_ops { |
111 | int (*port_join)(struct mlxsw_sp_bridge_device *bridge_device, | |
112 | struct mlxsw_sp_bridge_port *bridge_port, | |
9b63ef88 IS |
113 | struct mlxsw_sp_port *mlxsw_sp_port, |
114 | struct netlink_ext_ack *extack); | |
c57529e1 IS |
115 | void (*port_leave)(struct mlxsw_sp_bridge_device *bridge_device, |
116 | struct mlxsw_sp_bridge_port *bridge_port, | |
117 | struct mlxsw_sp_port *mlxsw_sp_port); | |
a1107487 IS |
118 | struct mlxsw_sp_fid * |
119 | (*fid_get)(struct mlxsw_sp_bridge_device *bridge_device, | |
120 | u16 vid); | |
c57529e1 IS |
121 | }; |
122 | ||
123 | static int | |
124 | mlxsw_sp_bridge_port_fdb_flush(struct mlxsw_sp *mlxsw_sp, | |
125 | struct mlxsw_sp_bridge_port *bridge_port, | |
126 | u16 fid_index); | |
127 | ||
bb5355b2 NF |
128 | static void |
129 | mlxsw_sp_bridge_port_mdb_flush(struct mlxsw_sp_port *mlxsw_sp_port, | |
130 | struct mlxsw_sp_bridge_port *bridge_port); | |
131 | ||
2e3496cd NF |
132 | static void |
133 | mlxsw_sp_bridge_mdb_mc_enable_sync(struct mlxsw_sp_port *mlxsw_sp_port, | |
134 | struct mlxsw_sp_bridge_device | |
135 | *bridge_device); | |
136 | ||
3ddda117 NF |
137 | static void |
138 | mlxsw_sp_port_mrouter_update_mdb(struct mlxsw_sp_port *mlxsw_sp_port, | |
139 | struct mlxsw_sp_bridge_port *bridge_port, | |
140 | bool add); | |
141 | ||
c57529e1 IS |
142 | static struct mlxsw_sp_bridge_device * |
143 | mlxsw_sp_bridge_device_find(const struct mlxsw_sp_bridge *bridge, | |
144 | const struct net_device *br_dev) | |
5f6935c6 | 145 | { |
c57529e1 IS |
146 | struct mlxsw_sp_bridge_device *bridge_device; |
147 | ||
148 | list_for_each_entry(bridge_device, &bridge->bridges_list, list) | |
149 | if (bridge_device->dev == br_dev) | |
150 | return bridge_device; | |
151 | ||
152 | return NULL; | |
90045fc9 IS |
153 | } |
154 | ||
155 | bool mlxsw_sp_bridge_device_is_offloaded(const struct mlxsw_sp *mlxsw_sp, | |
156 | const struct net_device *br_dev) | |
157 | { | |
158 | return !!mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, br_dev); | |
5f6935c6 IS |
159 | } |
160 | ||
c57529e1 IS |
161 | static struct mlxsw_sp_bridge_device * |
162 | mlxsw_sp_bridge_device_create(struct mlxsw_sp_bridge *bridge, | |
163 | struct net_device *br_dev) | |
e4b6f693 | 164 | { |
c57529e1 IS |
165 | struct device *dev = bridge->mlxsw_sp->bus_info->dev; |
166 | struct mlxsw_sp_bridge_device *bridge_device; | |
167 | bool vlan_enabled = br_vlan_enabled(br_dev); | |
e4b6f693 | 168 | |
c57529e1 IS |
169 | if (vlan_enabled && bridge->vlan_enabled_exists) { |
170 | dev_err(dev, "Only one VLAN-aware bridge is supported\n"); | |
171 | return ERR_PTR(-EINVAL); | |
172 | } | |
e4b6f693 | 173 | |
c57529e1 IS |
174 | bridge_device = kzalloc(sizeof(*bridge_device), GFP_KERNEL); |
175 | if (!bridge_device) | |
176 | return ERR_PTR(-ENOMEM); | |
177 | ||
178 | bridge_device->dev = br_dev; | |
179 | bridge_device->vlan_enabled = vlan_enabled; | |
180 | bridge_device->multicast_enabled = br_multicast_enabled(br_dev); | |
593bc28a | 181 | bridge_device->mrouter = br_multicast_router(br_dev); |
c57529e1 IS |
182 | INIT_LIST_HEAD(&bridge_device->ports_list); |
183 | if (vlan_enabled) { | |
184 | bridge->vlan_enabled_exists = true; | |
185 | bridge_device->ops = bridge->bridge_8021q_ops; | |
186 | } else { | |
187 | bridge_device->ops = bridge->bridge_8021d_ops; | |
188 | } | |
b80888a9 | 189 | INIT_LIST_HEAD(&bridge_device->mids_list); |
c57529e1 | 190 | list_add(&bridge_device->list, &bridge->bridges_list); |
e4b6f693 | 191 | |
c57529e1 | 192 | return bridge_device; |
e4b6f693 ER |
193 | } |
194 | ||
c57529e1 IS |
195 | static void |
196 | mlxsw_sp_bridge_device_destroy(struct mlxsw_sp_bridge *bridge, | |
197 | struct mlxsw_sp_bridge_device *bridge_device) | |
54a73201 | 198 | { |
c57529e1 IS |
199 | list_del(&bridge_device->list); |
200 | if (bridge_device->vlan_enabled) | |
201 | bridge->vlan_enabled_exists = false; | |
202 | WARN_ON(!list_empty(&bridge_device->ports_list)); | |
bb5355b2 | 203 | WARN_ON(!list_empty(&bridge_device->mids_list)); |
c57529e1 IS |
204 | kfree(bridge_device); |
205 | } | |
54a73201 | 206 | |
c57529e1 IS |
207 | static struct mlxsw_sp_bridge_device * |
208 | mlxsw_sp_bridge_device_get(struct mlxsw_sp_bridge *bridge, | |
209 | struct net_device *br_dev) | |
210 | { | |
211 | struct mlxsw_sp_bridge_device *bridge_device; | |
212 | ||
213 | bridge_device = mlxsw_sp_bridge_device_find(bridge, br_dev); | |
214 | if (bridge_device) | |
215 | return bridge_device; | |
216 | ||
217 | return mlxsw_sp_bridge_device_create(bridge, br_dev); | |
218 | } | |
219 | ||
220 | static void | |
221 | mlxsw_sp_bridge_device_put(struct mlxsw_sp_bridge *bridge, | |
222 | struct mlxsw_sp_bridge_device *bridge_device) | |
223 | { | |
224 | if (list_empty(&bridge_device->ports_list)) | |
225 | mlxsw_sp_bridge_device_destroy(bridge, bridge_device); | |
226 | } | |
227 | ||
228 | static struct mlxsw_sp_bridge_port * | |
229 | __mlxsw_sp_bridge_port_find(const struct mlxsw_sp_bridge_device *bridge_device, | |
230 | const struct net_device *brport_dev) | |
231 | { | |
232 | struct mlxsw_sp_bridge_port *bridge_port; | |
233 | ||
234 | list_for_each_entry(bridge_port, &bridge_device->ports_list, list) { | |
235 | if (bridge_port->dev == brport_dev) | |
236 | return bridge_port; | |
237 | } | |
238 | ||
239 | return NULL; | |
240 | } | |
241 | ||
242 | static struct mlxsw_sp_bridge_port * | |
243 | mlxsw_sp_bridge_port_find(struct mlxsw_sp_bridge *bridge, | |
244 | struct net_device *brport_dev) | |
245 | { | |
246 | struct net_device *br_dev = netdev_master_upper_dev_get(brport_dev); | |
247 | struct mlxsw_sp_bridge_device *bridge_device; | |
248 | ||
249 | if (!br_dev) | |
250 | return NULL; | |
251 | ||
252 | bridge_device = mlxsw_sp_bridge_device_find(bridge, br_dev); | |
253 | if (!bridge_device) | |
254 | return NULL; | |
255 | ||
256 | return __mlxsw_sp_bridge_port_find(bridge_device, brport_dev); | |
257 | } | |
258 | ||
259 | static struct mlxsw_sp_bridge_port * | |
260 | mlxsw_sp_bridge_port_create(struct mlxsw_sp_bridge_device *bridge_device, | |
261 | struct net_device *brport_dev) | |
262 | { | |
263 | struct mlxsw_sp_bridge_port *bridge_port; | |
264 | struct mlxsw_sp_port *mlxsw_sp_port; | |
265 | ||
266 | bridge_port = kzalloc(sizeof(*bridge_port), GFP_KERNEL); | |
267 | if (!bridge_port) | |
268 | return NULL; | |
269 | ||
270 | mlxsw_sp_port = mlxsw_sp_port_dev_lower_find(brport_dev); | |
271 | bridge_port->lagged = mlxsw_sp_port->lagged; | |
272 | if (bridge_port->lagged) | |
273 | bridge_port->lag_id = mlxsw_sp_port->lag_id; | |
274 | else | |
275 | bridge_port->system_port = mlxsw_sp_port->local_port; | |
276 | bridge_port->dev = brport_dev; | |
277 | bridge_port->bridge_device = bridge_device; | |
278 | bridge_port->stp_state = BR_STATE_DISABLED; | |
9dad51bd NF |
279 | bridge_port->flags = BR_LEARNING | BR_FLOOD | BR_LEARNING_SYNC | |
280 | BR_MCAST_FLOOD; | |
c57529e1 IS |
281 | INIT_LIST_HEAD(&bridge_port->vlans_list); |
282 | list_add(&bridge_port->list, &bridge_device->ports_list); | |
283 | bridge_port->ref_count = 1; | |
284 | ||
285 | return bridge_port; | |
286 | } | |
287 | ||
288 | static void | |
289 | mlxsw_sp_bridge_port_destroy(struct mlxsw_sp_bridge_port *bridge_port) | |
290 | { | |
291 | list_del(&bridge_port->list); | |
292 | WARN_ON(!list_empty(&bridge_port->vlans_list)); | |
293 | kfree(bridge_port); | |
294 | } | |
295 | ||
296 | static bool | |
297 | mlxsw_sp_bridge_port_should_destroy(const struct mlxsw_sp_bridge_port * | |
298 | bridge_port) | |
299 | { | |
300 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(bridge_port->dev); | |
301 | ||
302 | /* In case ports were pulled from out of a bridged LAG, then | |
303 | * it's possible the reference count isn't zero, yet the bridge | |
304 | * port should be destroyed, as it's no longer an upper of ours. | |
305 | */ | |
306 | if (!mlxsw_sp && list_empty(&bridge_port->vlans_list)) | |
307 | return true; | |
308 | else if (bridge_port->ref_count == 0) | |
309 | return true; | |
310 | else | |
311 | return false; | |
312 | } | |
313 | ||
314 | static struct mlxsw_sp_bridge_port * | |
315 | mlxsw_sp_bridge_port_get(struct mlxsw_sp_bridge *bridge, | |
316 | struct net_device *brport_dev) | |
317 | { | |
318 | struct net_device *br_dev = netdev_master_upper_dev_get(brport_dev); | |
319 | struct mlxsw_sp_bridge_device *bridge_device; | |
320 | struct mlxsw_sp_bridge_port *bridge_port; | |
321 | int err; | |
322 | ||
323 | bridge_port = mlxsw_sp_bridge_port_find(bridge, brport_dev); | |
324 | if (bridge_port) { | |
325 | bridge_port->ref_count++; | |
326 | return bridge_port; | |
327 | } | |
328 | ||
329 | bridge_device = mlxsw_sp_bridge_device_get(bridge, br_dev); | |
330 | if (IS_ERR(bridge_device)) | |
331 | return ERR_CAST(bridge_device); | |
332 | ||
333 | bridge_port = mlxsw_sp_bridge_port_create(bridge_device, brport_dev); | |
334 | if (!bridge_port) { | |
335 | err = -ENOMEM; | |
336 | goto err_bridge_port_create; | |
337 | } | |
338 | ||
339 | return bridge_port; | |
340 | ||
341 | err_bridge_port_create: | |
342 | mlxsw_sp_bridge_device_put(bridge, bridge_device); | |
343 | return ERR_PTR(err); | |
344 | } | |
345 | ||
346 | static void mlxsw_sp_bridge_port_put(struct mlxsw_sp_bridge *bridge, | |
347 | struct mlxsw_sp_bridge_port *bridge_port) | |
348 | { | |
349 | struct mlxsw_sp_bridge_device *bridge_device; | |
350 | ||
351 | bridge_port->ref_count--; | |
352 | if (!mlxsw_sp_bridge_port_should_destroy(bridge_port)) | |
353 | return; | |
354 | bridge_device = bridge_port->bridge_device; | |
355 | mlxsw_sp_bridge_port_destroy(bridge_port); | |
356 | mlxsw_sp_bridge_device_put(bridge, bridge_device); | |
357 | } | |
358 | ||
359 | static struct mlxsw_sp_port_vlan * | |
360 | mlxsw_sp_port_vlan_find_by_bridge(struct mlxsw_sp_port *mlxsw_sp_port, | |
361 | const struct mlxsw_sp_bridge_device * | |
362 | bridge_device, | |
363 | u16 vid) | |
364 | { | |
365 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
366 | ||
367 | list_for_each_entry(mlxsw_sp_port_vlan, &mlxsw_sp_port->vlans_list, | |
368 | list) { | |
369 | if (!mlxsw_sp_port_vlan->bridge_port) | |
370 | continue; | |
371 | if (mlxsw_sp_port_vlan->bridge_port->bridge_device != | |
372 | bridge_device) | |
373 | continue; | |
374 | if (bridge_device->vlan_enabled && | |
375 | mlxsw_sp_port_vlan->vid != vid) | |
376 | continue; | |
377 | return mlxsw_sp_port_vlan; | |
1e5d9432 NF |
378 | } |
379 | ||
c57529e1 IS |
380 | return NULL; |
381 | } | |
382 | ||
383 | static struct mlxsw_sp_port_vlan* | |
384 | mlxsw_sp_port_vlan_find_by_fid(struct mlxsw_sp_port *mlxsw_sp_port, | |
385 | u16 fid_index) | |
386 | { | |
387 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
388 | ||
389 | list_for_each_entry(mlxsw_sp_port_vlan, &mlxsw_sp_port->vlans_list, | |
390 | list) { | |
391 | struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid; | |
392 | ||
a1107487 | 393 | if (fid && mlxsw_sp_fid_index(fid) == fid_index) |
c57529e1 IS |
394 | return mlxsw_sp_port_vlan; |
395 | } | |
396 | ||
397 | return NULL; | |
398 | } | |
399 | ||
400 | static struct mlxsw_sp_bridge_vlan * | |
401 | mlxsw_sp_bridge_vlan_find(const struct mlxsw_sp_bridge_port *bridge_port, | |
402 | u16 vid) | |
403 | { | |
404 | struct mlxsw_sp_bridge_vlan *bridge_vlan; | |
405 | ||
406 | list_for_each_entry(bridge_vlan, &bridge_port->vlans_list, list) { | |
407 | if (bridge_vlan->vid == vid) | |
408 | return bridge_vlan; | |
409 | } | |
410 | ||
411 | return NULL; | |
412 | } | |
413 | ||
414 | static struct mlxsw_sp_bridge_vlan * | |
415 | mlxsw_sp_bridge_vlan_create(struct mlxsw_sp_bridge_port *bridge_port, u16 vid) | |
416 | { | |
417 | struct mlxsw_sp_bridge_vlan *bridge_vlan; | |
418 | ||
419 | bridge_vlan = kzalloc(sizeof(*bridge_vlan), GFP_KERNEL); | |
420 | if (!bridge_vlan) | |
421 | return NULL; | |
422 | ||
423 | INIT_LIST_HEAD(&bridge_vlan->port_vlan_list); | |
424 | bridge_vlan->vid = vid; | |
425 | list_add(&bridge_vlan->list, &bridge_port->vlans_list); | |
54a73201 | 426 | |
c57529e1 IS |
427 | return bridge_vlan; |
428 | } | |
429 | ||
430 | static void | |
431 | mlxsw_sp_bridge_vlan_destroy(struct mlxsw_sp_bridge_vlan *bridge_vlan) | |
432 | { | |
433 | list_del(&bridge_vlan->list); | |
434 | WARN_ON(!list_empty(&bridge_vlan->port_vlan_list)); | |
435 | kfree(bridge_vlan); | |
436 | } | |
437 | ||
438 | static struct mlxsw_sp_bridge_vlan * | |
439 | mlxsw_sp_bridge_vlan_get(struct mlxsw_sp_bridge_port *bridge_port, u16 vid) | |
440 | { | |
441 | struct mlxsw_sp_bridge_vlan *bridge_vlan; | |
442 | ||
443 | bridge_vlan = mlxsw_sp_bridge_vlan_find(bridge_port, vid); | |
444 | if (bridge_vlan) | |
445 | return bridge_vlan; | |
54a73201 | 446 | |
c57529e1 IS |
447 | return mlxsw_sp_bridge_vlan_create(bridge_port, vid); |
448 | } | |
449 | ||
450 | static void mlxsw_sp_bridge_vlan_put(struct mlxsw_sp_bridge_vlan *bridge_vlan) | |
451 | { | |
452 | if (list_empty(&bridge_vlan->port_vlan_list)) | |
453 | mlxsw_sp_bridge_vlan_destroy(bridge_vlan); | |
454 | } | |
455 | ||
456 | static void mlxsw_sp_port_bridge_flags_get(struct mlxsw_sp_bridge *bridge, | |
457 | struct net_device *dev, | |
458 | unsigned long *brport_flags) | |
459 | { | |
460 | struct mlxsw_sp_bridge_port *bridge_port; | |
461 | ||
462 | bridge_port = mlxsw_sp_bridge_port_find(bridge, dev); | |
463 | if (WARN_ON(!bridge_port)) | |
464 | return; | |
465 | ||
466 | memcpy(brport_flags, &bridge_port->flags, sizeof(*brport_flags)); | |
54a73201 IS |
467 | } |
468 | ||
56ade8fe JP |
469 | static int mlxsw_sp_port_attr_get(struct net_device *dev, |
470 | struct switchdev_attr *attr) | |
471 | { | |
472 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
473 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
474 | ||
475 | switch (attr->id) { | |
476 | case SWITCHDEV_ATTR_ID_PORT_PARENT_ID: | |
477 | attr->u.ppid.id_len = sizeof(mlxsw_sp->base_mac); | |
478 | memcpy(&attr->u.ppid.id, &mlxsw_sp->base_mac, | |
479 | attr->u.ppid.id_len); | |
480 | break; | |
481 | case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS: | |
c57529e1 IS |
482 | mlxsw_sp_port_bridge_flags_get(mlxsw_sp->bridge, attr->orig_dev, |
483 | &attr->u.brport_flags); | |
56ade8fe | 484 | break; |
c7b566cd | 485 | case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT: |
9dad51bd NF |
486 | attr->u.brport_flags_support = BR_LEARNING | BR_FLOOD | |
487 | BR_MCAST_FLOOD; | |
c7b566cd | 488 | break; |
56ade8fe JP |
489 | default: |
490 | return -EOPNOTSUPP; | |
491 | } | |
492 | ||
493 | return 0; | |
494 | } | |
495 | ||
c57529e1 IS |
496 | static int |
497 | mlxsw_sp_port_bridge_vlan_stp_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
498 | struct mlxsw_sp_bridge_vlan *bridge_vlan, | |
499 | u8 state) | |
500 | { | |
501 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
502 | ||
503 | list_for_each_entry(mlxsw_sp_port_vlan, &bridge_vlan->port_vlan_list, | |
504 | bridge_vlan_node) { | |
505 | if (mlxsw_sp_port_vlan->mlxsw_sp_port != mlxsw_sp_port) | |
506 | continue; | |
507 | return mlxsw_sp_port_vid_stp_set(mlxsw_sp_port, | |
508 | bridge_vlan->vid, state); | |
509 | } | |
510 | ||
511 | return 0; | |
512 | } | |
513 | ||
45bfe6b4 IS |
514 | static int mlxsw_sp_port_attr_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port, |
515 | struct switchdev_trans *trans, | |
c57529e1 | 516 | struct net_device *orig_dev, |
45bfe6b4 | 517 | u8 state) |
56ade8fe | 518 | { |
c57529e1 IS |
519 | struct mlxsw_sp_bridge_port *bridge_port; |
520 | struct mlxsw_sp_bridge_vlan *bridge_vlan; | |
56ade8fe JP |
521 | int err; |
522 | ||
45bfe6b4 IS |
523 | if (switchdev_trans_ph_prepare(trans)) |
524 | return 0; | |
54a73201 | 525 | |
c57529e1 IS |
526 | /* It's possible we failed to enslave the port, yet this |
527 | * operation is executed due to it being deferred. | |
528 | */ | |
529 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge, | |
530 | orig_dev); | |
531 | if (!bridge_port) | |
56ade8fe JP |
532 | return 0; |
533 | ||
c57529e1 IS |
534 | list_for_each_entry(bridge_vlan, &bridge_port->vlans_list, list) { |
535 | err = mlxsw_sp_port_bridge_vlan_stp_set(mlxsw_sp_port, | |
536 | bridge_vlan, state); | |
45bfe6b4 | 537 | if (err) |
c57529e1 | 538 | goto err_port_bridge_vlan_stp_set; |
45bfe6b4 | 539 | } |
c57529e1 IS |
540 | |
541 | bridge_port->stp_state = state; | |
45bfe6b4 IS |
542 | |
543 | return 0; | |
c57529e1 IS |
544 | |
545 | err_port_bridge_vlan_stp_set: | |
546 | list_for_each_entry_continue_reverse(bridge_vlan, | |
547 | &bridge_port->vlans_list, list) | |
548 | mlxsw_sp_port_bridge_vlan_stp_set(mlxsw_sp_port, bridge_vlan, | |
549 | bridge_port->stp_state); | |
550 | return err; | |
56ade8fe JP |
551 | } |
552 | ||
c57529e1 IS |
553 | static int |
554 | mlxsw_sp_port_bridge_vlan_flood_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
555 | struct mlxsw_sp_bridge_vlan *bridge_vlan, | |
a1107487 | 556 | enum mlxsw_sp_flood_type packet_type, |
c57529e1 | 557 | bool member) |
eaa7df3c | 558 | { |
c57529e1 | 559 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; |
0293038e | 560 | |
c57529e1 IS |
561 | list_for_each_entry(mlxsw_sp_port_vlan, &bridge_vlan->port_vlan_list, |
562 | bridge_vlan_node) { | |
563 | if (mlxsw_sp_port_vlan->mlxsw_sp_port != mlxsw_sp_port) | |
564 | continue; | |
a1107487 IS |
565 | return mlxsw_sp_fid_flood_set(mlxsw_sp_port_vlan->fid, |
566 | packet_type, | |
567 | mlxsw_sp_port->local_port, | |
568 | member); | |
c57529e1 | 569 | } |
aad8b6ba | 570 | |
eaa7df3c | 571 | return 0; |
0293038e IS |
572 | } |
573 | ||
c57529e1 IS |
574 | static int |
575 | mlxsw_sp_bridge_port_flood_table_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
576 | struct mlxsw_sp_bridge_port *bridge_port, | |
a1107487 | 577 | enum mlxsw_sp_flood_type packet_type, |
c57529e1 | 578 | bool member) |
0293038e | 579 | { |
c57529e1 | 580 | struct mlxsw_sp_bridge_vlan *bridge_vlan; |
0293038e IS |
581 | int err; |
582 | ||
c57529e1 IS |
583 | list_for_each_entry(bridge_vlan, &bridge_port->vlans_list, list) { |
584 | err = mlxsw_sp_port_bridge_vlan_flood_set(mlxsw_sp_port, | |
a1107487 IS |
585 | bridge_vlan, |
586 | packet_type, | |
c57529e1 IS |
587 | member); |
588 | if (err) | |
589 | goto err_port_bridge_vlan_flood_set; | |
0293038e IS |
590 | } |
591 | ||
592 | return 0; | |
593 | ||
c57529e1 IS |
594 | err_port_bridge_vlan_flood_set: |
595 | list_for_each_entry_continue_reverse(bridge_vlan, | |
596 | &bridge_port->vlans_list, list) | |
597 | mlxsw_sp_port_bridge_vlan_flood_set(mlxsw_sp_port, bridge_vlan, | |
a1107487 | 598 | packet_type, !member); |
0293038e IS |
599 | return err; |
600 | } | |
601 | ||
c57529e1 IS |
602 | static int |
603 | mlxsw_sp_port_bridge_vlan_learning_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
604 | struct mlxsw_sp_bridge_vlan *bridge_vlan, | |
605 | bool set) | |
90e0f0c1 | 606 | { |
c57529e1 IS |
607 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; |
608 | u16 vid = bridge_vlan->vid; | |
90e0f0c1 | 609 | |
c57529e1 IS |
610 | list_for_each_entry(mlxsw_sp_port_vlan, &bridge_vlan->port_vlan_list, |
611 | bridge_vlan_node) { | |
612 | if (mlxsw_sp_port_vlan->mlxsw_sp_port != mlxsw_sp_port) | |
613 | continue; | |
614 | return mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, set); | |
90e0f0c1 NF |
615 | } |
616 | ||
c57529e1 | 617 | return 0; |
7f71eb46 IS |
618 | } |
619 | ||
c57529e1 IS |
620 | static int |
621 | mlxsw_sp_bridge_port_learning_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
622 | struct mlxsw_sp_bridge_port *bridge_port, | |
623 | bool set) | |
89b548f0 | 624 | { |
c57529e1 | 625 | struct mlxsw_sp_bridge_vlan *bridge_vlan; |
89b548f0 IS |
626 | int err; |
627 | ||
c57529e1 IS |
628 | list_for_each_entry(bridge_vlan, &bridge_port->vlans_list, list) { |
629 | err = mlxsw_sp_port_bridge_vlan_learning_set(mlxsw_sp_port, | |
630 | bridge_vlan, set); | |
89b548f0 | 631 | if (err) |
c57529e1 | 632 | goto err_port_bridge_vlan_learning_set; |
89b548f0 IS |
633 | } |
634 | ||
635 | return 0; | |
636 | ||
c57529e1 IS |
637 | err_port_bridge_vlan_learning_set: |
638 | list_for_each_entry_continue_reverse(bridge_vlan, | |
639 | &bridge_port->vlans_list, list) | |
640 | mlxsw_sp_port_bridge_vlan_learning_set(mlxsw_sp_port, | |
641 | bridge_vlan, !set); | |
89b548f0 IS |
642 | return err; |
643 | } | |
644 | ||
56ade8fe JP |
645 | static int mlxsw_sp_port_attr_br_flags_set(struct mlxsw_sp_port *mlxsw_sp_port, |
646 | struct switchdev_trans *trans, | |
c57529e1 | 647 | struct net_device *orig_dev, |
56ade8fe JP |
648 | unsigned long brport_flags) |
649 | { | |
c57529e1 | 650 | struct mlxsw_sp_bridge_port *bridge_port; |
0293038e IS |
651 | int err; |
652 | ||
56ade8fe JP |
653 | if (switchdev_trans_ph_prepare(trans)) |
654 | return 0; | |
655 | ||
c57529e1 IS |
656 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge, |
657 | orig_dev); | |
17b334a8 IS |
658 | if (!bridge_port) |
659 | return 0; | |
0293038e | 660 | |
c57529e1 | 661 | err = mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port, bridge_port, |
a1107487 | 662 | MLXSW_SP_FLOOD_TYPE_UC, |
c57529e1 IS |
663 | brport_flags & BR_FLOOD); |
664 | if (err) | |
665 | return err; | |
89b548f0 | 666 | |
c57529e1 IS |
667 | err = mlxsw_sp_bridge_port_learning_set(mlxsw_sp_port, bridge_port, |
668 | brport_flags & BR_LEARNING); | |
669 | if (err) | |
670 | return err; | |
0293038e | 671 | |
9dad51bd NF |
672 | if (bridge_port->bridge_device->multicast_enabled) |
673 | goto out; | |
89b548f0 | 674 | |
9dad51bd NF |
675 | err = mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port, bridge_port, |
676 | MLXSW_SP_FLOOD_TYPE_MC, | |
677 | brport_flags & | |
678 | BR_MCAST_FLOOD); | |
679 | if (err) | |
680 | return err; | |
681 | ||
682 | out: | |
683 | memcpy(&bridge_port->flags, &brport_flags, sizeof(brport_flags)); | |
c57529e1 | 684 | return 0; |
56ade8fe JP |
685 | } |
686 | ||
687 | static int mlxsw_sp_ageing_set(struct mlxsw_sp *mlxsw_sp, u32 ageing_time) | |
688 | { | |
689 | char sfdat_pl[MLXSW_REG_SFDAT_LEN]; | |
690 | int err; | |
691 | ||
692 | mlxsw_reg_sfdat_pack(sfdat_pl, ageing_time); | |
693 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdat), sfdat_pl); | |
694 | if (err) | |
695 | return err; | |
5f6935c6 | 696 | mlxsw_sp->bridge->ageing_time = ageing_time; |
56ade8fe JP |
697 | return 0; |
698 | } | |
699 | ||
700 | static int mlxsw_sp_port_attr_br_ageing_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
701 | struct switchdev_trans *trans, | |
135f9ece | 702 | unsigned long ageing_clock_t) |
56ade8fe JP |
703 | { |
704 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
135f9ece | 705 | unsigned long ageing_jiffies = clock_t_to_jiffies(ageing_clock_t); |
56ade8fe JP |
706 | u32 ageing_time = jiffies_to_msecs(ageing_jiffies) / 1000; |
707 | ||
869f63a4 IS |
708 | if (switchdev_trans_ph_prepare(trans)) { |
709 | if (ageing_time < MLXSW_SP_MIN_AGEING_TIME || | |
710 | ageing_time > MLXSW_SP_MAX_AGEING_TIME) | |
711 | return -ERANGE; | |
712 | else | |
713 | return 0; | |
714 | } | |
56ade8fe JP |
715 | |
716 | return mlxsw_sp_ageing_set(mlxsw_sp, ageing_time); | |
717 | } | |
718 | ||
26a4ea0f ER |
719 | static int mlxsw_sp_port_attr_br_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, |
720 | struct switchdev_trans *trans, | |
721 | struct net_device *orig_dev, | |
722 | bool vlan_enabled) | |
723 | { | |
724 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
c57529e1 | 725 | struct mlxsw_sp_bridge_device *bridge_device; |
26a4ea0f | 726 | |
c57529e1 IS |
727 | if (!switchdev_trans_ph_prepare(trans)) |
728 | return 0; | |
729 | ||
730 | bridge_device = mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, orig_dev); | |
731 | if (WARN_ON(!bridge_device)) | |
26a4ea0f | 732 | return -EINVAL; |
26a4ea0f | 733 | |
c57529e1 IS |
734 | if (bridge_device->vlan_enabled == vlan_enabled) |
735 | return 0; | |
736 | ||
737 | netdev_err(bridge_device->dev, "VLAN filtering can't be changed for existing bridge\n"); | |
738 | return -EINVAL; | |
26a4ea0f ER |
739 | } |
740 | ||
dff37b58 NF |
741 | static int mlxsw_sp_port_attr_mrouter_set(struct mlxsw_sp_port *mlxsw_sp_port, |
742 | struct switchdev_trans *trans, | |
743 | struct net_device *orig_dev, | |
744 | bool is_port_mrouter) | |
8ecd4591 | 745 | { |
c57529e1 | 746 | struct mlxsw_sp_bridge_port *bridge_port; |
4eb6a3bd | 747 | int err; |
c57529e1 IS |
748 | |
749 | if (switchdev_trans_ph_prepare(trans)) | |
750 | return 0; | |
751 | ||
752 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge, | |
753 | orig_dev); | |
17b334a8 IS |
754 | if (!bridge_port) |
755 | return 0; | |
c57529e1 IS |
756 | |
757 | if (!bridge_port->bridge_device->multicast_enabled) | |
4eb6a3bd | 758 | goto out; |
c57529e1 | 759 | |
4eb6a3bd NF |
760 | err = mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port, bridge_port, |
761 | MLXSW_SP_FLOOD_TYPE_MC, | |
dff37b58 | 762 | is_port_mrouter); |
4eb6a3bd NF |
763 | if (err) |
764 | return err; | |
765 | ||
3ddda117 NF |
766 | mlxsw_sp_port_mrouter_update_mdb(mlxsw_sp_port, bridge_port, |
767 | is_port_mrouter); | |
4eb6a3bd | 768 | out: |
dff37b58 | 769 | bridge_port->mrouter = is_port_mrouter; |
4eb6a3bd | 770 | return 0; |
c57529e1 IS |
771 | } |
772 | ||
218a8f8a NF |
773 | static bool mlxsw_sp_mc_flood(const struct mlxsw_sp_bridge_port *bridge_port) |
774 | { | |
775 | const struct mlxsw_sp_bridge_device *bridge_device; | |
776 | ||
777 | bridge_device = bridge_port->bridge_device; | |
9dad51bd NF |
778 | return bridge_device->multicast_enabled ? bridge_port->mrouter : |
779 | bridge_port->flags & BR_MCAST_FLOOD; | |
218a8f8a NF |
780 | } |
781 | ||
c57529e1 IS |
782 | static int mlxsw_sp_port_mc_disabled_set(struct mlxsw_sp_port *mlxsw_sp_port, |
783 | struct switchdev_trans *trans, | |
784 | struct net_device *orig_dev, | |
785 | bool mc_disabled) | |
786 | { | |
787 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
788 | struct mlxsw_sp_bridge_device *bridge_device; | |
789 | struct mlxsw_sp_bridge_port *bridge_port; | |
790 | int err; | |
791 | ||
8ecd4591 NF |
792 | if (switchdev_trans_ph_prepare(trans)) |
793 | return 0; | |
794 | ||
c57529e1 IS |
795 | /* It's possible we failed to enslave the port, yet this |
796 | * operation is executed due to it being deferred. | |
797 | */ | |
798 | bridge_device = mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, orig_dev); | |
799 | if (!bridge_device) | |
800 | return 0; | |
801 | ||
2e3496cd NF |
802 | if (bridge_device->multicast_enabled != !mc_disabled) { |
803 | bridge_device->multicast_enabled = !mc_disabled; | |
804 | mlxsw_sp_bridge_mdb_mc_enable_sync(mlxsw_sp_port, | |
805 | bridge_device); | |
806 | } | |
807 | ||
c57529e1 | 808 | list_for_each_entry(bridge_port, &bridge_device->ports_list, list) { |
a1107487 | 809 | enum mlxsw_sp_flood_type packet_type = MLXSW_SP_FLOOD_TYPE_MC; |
218a8f8a | 810 | bool member = mlxsw_sp_mc_flood(bridge_port); |
c57529e1 IS |
811 | |
812 | err = mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port, | |
a1107487 IS |
813 | bridge_port, |
814 | packet_type, member); | |
c57529e1 IS |
815 | if (err) |
816 | return err; | |
817 | } | |
818 | ||
819 | bridge_device->multicast_enabled = !mc_disabled; | |
8ecd4591 NF |
820 | |
821 | return 0; | |
822 | } | |
823 | ||
593bc28a YG |
824 | static int mlxsw_sp_smid_router_port_set(struct mlxsw_sp *mlxsw_sp, |
825 | u16 mid_idx, bool add) | |
826 | { | |
827 | char *smid_pl; | |
828 | int err; | |
829 | ||
830 | smid_pl = kmalloc(MLXSW_REG_SMID_LEN, GFP_KERNEL); | |
831 | if (!smid_pl) | |
832 | return -ENOMEM; | |
833 | ||
834 | mlxsw_reg_smid_pack(smid_pl, mid_idx, | |
835 | mlxsw_sp_router_port(mlxsw_sp), add); | |
836 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(smid), smid_pl); | |
837 | kfree(smid_pl); | |
838 | return err; | |
839 | } | |
840 | ||
841 | static void | |
842 | mlxsw_sp_bridge_mrouter_update_mdb(struct mlxsw_sp *mlxsw_sp, | |
843 | struct mlxsw_sp_bridge_device *bridge_device, | |
844 | bool add) | |
845 | { | |
846 | struct mlxsw_sp_mid *mid; | |
847 | ||
848 | list_for_each_entry(mid, &bridge_device->mids_list, list) | |
849 | mlxsw_sp_smid_router_port_set(mlxsw_sp, mid->mid, add); | |
850 | } | |
851 | ||
852 | static int | |
853 | mlxsw_sp_port_attr_br_mrouter_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
854 | struct switchdev_trans *trans, | |
855 | struct net_device *orig_dev, | |
856 | bool is_mrouter) | |
857 | { | |
858 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
859 | struct mlxsw_sp_bridge_device *bridge_device; | |
860 | ||
861 | if (switchdev_trans_ph_prepare(trans)) | |
862 | return 0; | |
863 | ||
864 | /* It's possible we failed to enslave the port, yet this | |
865 | * operation is executed due to it being deferred. | |
866 | */ | |
867 | bridge_device = mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, orig_dev); | |
868 | if (!bridge_device) | |
869 | return 0; | |
870 | ||
871 | if (bridge_device->mrouter != is_mrouter) | |
872 | mlxsw_sp_bridge_mrouter_update_mdb(mlxsw_sp, bridge_device, | |
873 | is_mrouter); | |
874 | bridge_device->mrouter = is_mrouter; | |
875 | return 0; | |
876 | } | |
877 | ||
56ade8fe JP |
878 | static int mlxsw_sp_port_attr_set(struct net_device *dev, |
879 | const struct switchdev_attr *attr, | |
880 | struct switchdev_trans *trans) | |
881 | { | |
882 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
c57529e1 | 883 | int err; |
54a73201 | 884 | |
56ade8fe JP |
885 | switch (attr->id) { |
886 | case SWITCHDEV_ATTR_ID_PORT_STP_STATE: | |
887 | err = mlxsw_sp_port_attr_stp_state_set(mlxsw_sp_port, trans, | |
c57529e1 | 888 | attr->orig_dev, |
56ade8fe JP |
889 | attr->u.stp_state); |
890 | break; | |
891 | case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS: | |
892 | err = mlxsw_sp_port_attr_br_flags_set(mlxsw_sp_port, trans, | |
c57529e1 | 893 | attr->orig_dev, |
56ade8fe JP |
894 | attr->u.brport_flags); |
895 | break; | |
896 | case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME: | |
897 | err = mlxsw_sp_port_attr_br_ageing_set(mlxsw_sp_port, trans, | |
898 | attr->u.ageing_time); | |
899 | break; | |
26a4ea0f ER |
900 | case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING: |
901 | err = mlxsw_sp_port_attr_br_vlan_set(mlxsw_sp_port, trans, | |
902 | attr->orig_dev, | |
903 | attr->u.vlan_filtering); | |
904 | break; | |
8ecd4591 | 905 | case SWITCHDEV_ATTR_ID_PORT_MROUTER: |
dff37b58 NF |
906 | err = mlxsw_sp_port_attr_mrouter_set(mlxsw_sp_port, trans, |
907 | attr->orig_dev, | |
908 | attr->u.mrouter); | |
8ecd4591 | 909 | break; |
90e0f0c1 NF |
910 | case SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED: |
911 | err = mlxsw_sp_port_mc_disabled_set(mlxsw_sp_port, trans, | |
c57529e1 | 912 | attr->orig_dev, |
90e0f0c1 NF |
913 | attr->u.mc_disabled); |
914 | break; | |
593bc28a YG |
915 | case SWITCHDEV_ATTR_ID_BRIDGE_MROUTER: |
916 | err = mlxsw_sp_port_attr_br_mrouter_set(mlxsw_sp_port, trans, | |
917 | attr->orig_dev, | |
918 | attr->u.mrouter); | |
919 | break; | |
56ade8fe JP |
920 | default: |
921 | err = -EOPNOTSUPP; | |
922 | break; | |
923 | } | |
924 | ||
925 | return err; | |
926 | } | |
927 | ||
c57529e1 IS |
928 | static int |
929 | mlxsw_sp_port_vlan_fid_join(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan, | |
930 | struct mlxsw_sp_bridge_port *bridge_port) | |
14d39461 | 931 | { |
c57529e1 | 932 | struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port; |
a1107487 IS |
933 | struct mlxsw_sp_bridge_device *bridge_device; |
934 | u8 local_port = mlxsw_sp_port->local_port; | |
c57529e1 IS |
935 | u16 vid = mlxsw_sp_port_vlan->vid; |
936 | struct mlxsw_sp_fid *fid; | |
fe9ccc78 | 937 | int err; |
14d39461 | 938 | |
a1107487 IS |
939 | bridge_device = bridge_port->bridge_device; |
940 | fid = bridge_device->ops->fid_get(bridge_device, vid); | |
c57529e1 IS |
941 | if (IS_ERR(fid)) |
942 | return PTR_ERR(fid); | |
943 | ||
a1107487 IS |
944 | err = mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_UC, local_port, |
945 | bridge_port->flags & BR_FLOOD); | |
fe9ccc78 | 946 | if (err) |
a1107487 | 947 | goto err_fid_uc_flood_set; |
14d39461 | 948 | |
a1107487 IS |
949 | err = mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_MC, local_port, |
950 | mlxsw_sp_mc_flood(bridge_port)); | |
c57529e1 | 951 | if (err) |
a1107487 | 952 | goto err_fid_mc_flood_set; |
8ecd4591 | 953 | |
a1107487 IS |
954 | err = mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_BC, local_port, |
955 | true); | |
14d39461 | 956 | if (err) |
a1107487 | 957 | goto err_fid_bc_flood_set; |
14d39461 | 958 | |
a1107487 | 959 | err = mlxsw_sp_fid_port_vid_map(fid, mlxsw_sp_port, vid); |
fe9ccc78 | 960 | if (err) |
a1107487 | 961 | goto err_fid_port_vid_map; |
c57529e1 IS |
962 | |
963 | mlxsw_sp_port_vlan->fid = fid; | |
14d39461 IS |
964 | |
965 | return 0; | |
966 | ||
a1107487 IS |
967 | err_fid_port_vid_map: |
968 | mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_BC, local_port, false); | |
969 | err_fid_bc_flood_set: | |
970 | mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_MC, local_port, false); | |
971 | err_fid_mc_flood_set: | |
972 | mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_UC, local_port, false); | |
973 | err_fid_uc_flood_set: | |
974 | mlxsw_sp_fid_put(fid); | |
14d39461 IS |
975 | return err; |
976 | } | |
977 | ||
c57529e1 IS |
978 | static void |
979 | mlxsw_sp_port_vlan_fid_leave(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan) | |
14d39461 | 980 | { |
c57529e1 | 981 | struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port; |
c57529e1 | 982 | struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid; |
a1107487 | 983 | u8 local_port = mlxsw_sp_port->local_port; |
c57529e1 IS |
984 | u16 vid = mlxsw_sp_port_vlan->vid; |
985 | ||
986 | mlxsw_sp_port_vlan->fid = NULL; | |
a1107487 IS |
987 | mlxsw_sp_fid_port_vid_unmap(fid, mlxsw_sp_port, vid); |
988 | mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_BC, local_port, false); | |
989 | mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_MC, local_port, false); | |
990 | mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_UC, local_port, false); | |
991 | mlxsw_sp_fid_put(fid); | |
14d39461 IS |
992 | } |
993 | ||
fe9ccc78 IS |
994 | static u16 |
995 | mlxsw_sp_port_pvid_determine(const struct mlxsw_sp_port *mlxsw_sp_port, | |
996 | u16 vid, bool is_pvid) | |
584d73df | 997 | { |
fe9ccc78 IS |
998 | if (is_pvid) |
999 | return vid; | |
1000 | else if (mlxsw_sp_port->pvid == vid) | |
1001 | return 0; /* Dis-allow untagged packets */ | |
1002 | else | |
1003 | return mlxsw_sp_port->pvid; | |
584d73df IS |
1004 | } |
1005 | ||
c57529e1 IS |
1006 | static int |
1007 | mlxsw_sp_port_vlan_bridge_join(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan, | |
1008 | struct mlxsw_sp_bridge_port *bridge_port) | |
56ade8fe | 1009 | { |
c57529e1 IS |
1010 | struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port; |
1011 | struct mlxsw_sp_bridge_vlan *bridge_vlan; | |
1012 | u16 vid = mlxsw_sp_port_vlan->vid; | |
56ade8fe JP |
1013 | int err; |
1014 | ||
c57529e1 IS |
1015 | /* No need to continue if only VLAN flags were changed */ |
1016 | if (mlxsw_sp_port_vlan->bridge_port) | |
1017 | return 0; | |
56ade8fe | 1018 | |
c57529e1 | 1019 | err = mlxsw_sp_port_vlan_fid_join(mlxsw_sp_port_vlan, bridge_port); |
fe9ccc78 | 1020 | if (err) |
c57529e1 | 1021 | return err; |
56ade8fe | 1022 | |
fe9ccc78 | 1023 | err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, |
c57529e1 | 1024 | bridge_port->flags & BR_LEARNING); |
fe9ccc78 | 1025 | if (err) |
584d73df | 1026 | goto err_port_vid_learning_set; |
584d73df | 1027 | |
fe9ccc78 | 1028 | err = mlxsw_sp_port_vid_stp_set(mlxsw_sp_port, vid, |
c57529e1 | 1029 | bridge_port->stp_state); |
fe9ccc78 IS |
1030 | if (err) |
1031 | goto err_port_vid_stp_set; | |
56ade8fe | 1032 | |
c57529e1 IS |
1033 | bridge_vlan = mlxsw_sp_bridge_vlan_get(bridge_port, vid); |
1034 | if (!bridge_vlan) { | |
1035 | err = -ENOMEM; | |
1036 | goto err_bridge_vlan_get; | |
1037 | } | |
1038 | ||
1039 | list_add(&mlxsw_sp_port_vlan->bridge_vlan_node, | |
1040 | &bridge_vlan->port_vlan_list); | |
1041 | ||
1042 | mlxsw_sp_bridge_port_get(mlxsw_sp_port->mlxsw_sp->bridge, | |
1043 | bridge_port->dev); | |
1044 | mlxsw_sp_port_vlan->bridge_port = bridge_port; | |
b07a966c IS |
1045 | |
1046 | return 0; | |
1047 | ||
c57529e1 IS |
1048 | err_bridge_vlan_get: |
1049 | mlxsw_sp_port_vid_stp_set(mlxsw_sp_port, vid, BR_STATE_DISABLED); | |
fe9ccc78 IS |
1050 | err_port_vid_stp_set: |
1051 | mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, false); | |
584d73df | 1052 | err_port_vid_learning_set: |
c57529e1 IS |
1053 | mlxsw_sp_port_vlan_fid_leave(mlxsw_sp_port_vlan); |
1054 | return err; | |
1055 | } | |
1056 | ||
1057 | void | |
1058 | mlxsw_sp_port_vlan_bridge_leave(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan) | |
1059 | { | |
1060 | struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port; | |
1061 | struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid; | |
1062 | struct mlxsw_sp_bridge_vlan *bridge_vlan; | |
1063 | struct mlxsw_sp_bridge_port *bridge_port; | |
1064 | u16 vid = mlxsw_sp_port_vlan->vid; | |
bb5355b2 | 1065 | bool last_port, last_vlan; |
c57529e1 | 1066 | |
a1107487 IS |
1067 | if (WARN_ON(mlxsw_sp_fid_type(fid) != MLXSW_SP_FID_TYPE_8021Q && |
1068 | mlxsw_sp_fid_type(fid) != MLXSW_SP_FID_TYPE_8021D)) | |
1069 | return; | |
1070 | ||
c57529e1 | 1071 | bridge_port = mlxsw_sp_port_vlan->bridge_port; |
bb5355b2 | 1072 | last_vlan = list_is_singular(&bridge_port->vlans_list); |
c57529e1 | 1073 | bridge_vlan = mlxsw_sp_bridge_vlan_find(bridge_port, vid); |
bb5355b2 | 1074 | last_port = list_is_singular(&bridge_vlan->port_vlan_list); |
c57529e1 IS |
1075 | |
1076 | list_del(&mlxsw_sp_port_vlan->bridge_vlan_node); | |
1077 | mlxsw_sp_bridge_vlan_put(bridge_vlan); | |
1078 | mlxsw_sp_port_vid_stp_set(mlxsw_sp_port, vid, BR_STATE_DISABLED); | |
1079 | mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, false); | |
bb5355b2 | 1080 | if (last_port) |
c57529e1 | 1081 | mlxsw_sp_bridge_port_fdb_flush(mlxsw_sp_port->mlxsw_sp, |
a1107487 IS |
1082 | bridge_port, |
1083 | mlxsw_sp_fid_index(fid)); | |
bb5355b2 NF |
1084 | if (last_vlan) |
1085 | mlxsw_sp_bridge_port_mdb_flush(mlxsw_sp_port, bridge_port); | |
1086 | ||
c57529e1 IS |
1087 | mlxsw_sp_port_vlan_fid_leave(mlxsw_sp_port_vlan); |
1088 | ||
1089 | mlxsw_sp_bridge_port_put(mlxsw_sp_port->mlxsw_sp->bridge, bridge_port); | |
1090 | mlxsw_sp_port_vlan->bridge_port = NULL; | |
1091 | } | |
1092 | ||
1093 | static int | |
1094 | mlxsw_sp_bridge_port_vlan_add(struct mlxsw_sp_port *mlxsw_sp_port, | |
1095 | struct mlxsw_sp_bridge_port *bridge_port, | |
1096 | u16 vid, bool is_untagged, bool is_pvid) | |
1097 | { | |
1098 | u16 pvid = mlxsw_sp_port_pvid_determine(mlxsw_sp_port, vid, is_pvid); | |
1099 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
c57529e1 IS |
1100 | u16 old_pvid = mlxsw_sp_port->pvid; |
1101 | int err; | |
1102 | ||
1103 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_get(mlxsw_sp_port, vid); | |
1104 | if (IS_ERR(mlxsw_sp_port_vlan)) | |
1105 | return PTR_ERR(mlxsw_sp_port_vlan); | |
1106 | ||
1107 | err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, true, | |
1108 | is_untagged); | |
1109 | if (err) | |
1110 | goto err_port_vlan_set; | |
1111 | ||
1112 | err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, pvid); | |
1113 | if (err) | |
1114 | goto err_port_pvid_set; | |
1115 | ||
1116 | err = mlxsw_sp_port_vlan_bridge_join(mlxsw_sp_port_vlan, bridge_port); | |
1117 | if (err) | |
1118 | goto err_port_vlan_bridge_join; | |
1119 | ||
c57529e1 IS |
1120 | return 0; |
1121 | ||
1122 | err_port_vlan_bridge_join: | |
fe9ccc78 | 1123 | mlxsw_sp_port_pvid_set(mlxsw_sp_port, old_pvid); |
b07a966c | 1124 | err_port_pvid_set: |
fe9ccc78 IS |
1125 | mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false); |
1126 | err_port_vlan_set: | |
c57529e1 | 1127 | mlxsw_sp_port_vlan_put(mlxsw_sp_port_vlan); |
b07a966c | 1128 | return err; |
56ade8fe JP |
1129 | } |
1130 | ||
1131 | static int mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port, | |
1132 | const struct switchdev_obj_port_vlan *vlan, | |
1133 | struct switchdev_trans *trans) | |
1134 | { | |
e4a13055 ER |
1135 | bool flag_untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED; |
1136 | bool flag_pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID; | |
c57529e1 IS |
1137 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
1138 | struct net_device *orig_dev = vlan->obj.orig_dev; | |
1139 | struct mlxsw_sp_bridge_port *bridge_port; | |
fe9ccc78 | 1140 | u16 vid; |
56ade8fe JP |
1141 | |
1142 | if (switchdev_trans_ph_prepare(trans)) | |
1143 | return 0; | |
1144 | ||
c57529e1 IS |
1145 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); |
1146 | if (WARN_ON(!bridge_port)) | |
1147 | return -EINVAL; | |
1148 | ||
1149 | if (!bridge_port->bridge_device->vlan_enabled) | |
1150 | return 0; | |
1151 | ||
fe9ccc78 IS |
1152 | for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) { |
1153 | int err; | |
1154 | ||
c57529e1 IS |
1155 | err = mlxsw_sp_bridge_port_vlan_add(mlxsw_sp_port, bridge_port, |
1156 | vid, flag_untagged, | |
1157 | flag_pvid); | |
fe9ccc78 IS |
1158 | if (err) |
1159 | return err; | |
1160 | } | |
1161 | ||
1162 | return 0; | |
56ade8fe JP |
1163 | } |
1164 | ||
c57529e1 IS |
1165 | static enum mlxsw_reg_sfdf_flush_type mlxsw_sp_fdb_flush_type(bool lagged) |
1166 | { | |
1167 | return lagged ? MLXSW_REG_SFDF_FLUSH_PER_LAG_AND_FID : | |
1168 | MLXSW_REG_SFDF_FLUSH_PER_PORT_AND_FID; | |
1169 | } | |
1170 | ||
1171 | static int | |
1172 | mlxsw_sp_bridge_port_fdb_flush(struct mlxsw_sp *mlxsw_sp, | |
1173 | struct mlxsw_sp_bridge_port *bridge_port, | |
1174 | u16 fid_index) | |
1175 | { | |
1176 | bool lagged = bridge_port->lagged; | |
1177 | char sfdf_pl[MLXSW_REG_SFDF_LEN]; | |
1178 | u16 system_port; | |
1179 | ||
1180 | system_port = lagged ? bridge_port->lag_id : bridge_port->system_port; | |
1181 | mlxsw_reg_sfdf_pack(sfdf_pl, mlxsw_sp_fdb_flush_type(lagged)); | |
1182 | mlxsw_reg_sfdf_fid_set(sfdf_pl, fid_index); | |
1183 | mlxsw_reg_sfdf_port_fid_system_port_set(sfdf_pl, system_port); | |
1184 | ||
1185 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdf), sfdf_pl); | |
1186 | } | |
1187 | ||
8a1ab5d7 | 1188 | static enum mlxsw_reg_sfd_rec_policy mlxsw_sp_sfd_rec_policy(bool dynamic) |
56ade8fe | 1189 | { |
8a1ab5d7 JP |
1190 | return dynamic ? MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_INGRESS : |
1191 | MLXSW_REG_SFD_REC_POLICY_STATIC_ENTRY; | |
1192 | } | |
1193 | ||
1194 | static enum mlxsw_reg_sfd_op mlxsw_sp_sfd_op(bool adding) | |
1195 | { | |
1196 | return adding ? MLXSW_REG_SFD_OP_WRITE_EDIT : | |
1197 | MLXSW_REG_SFD_OP_WRITE_REMOVE; | |
1198 | } | |
1199 | ||
6e095fd4 IS |
1200 | static int __mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port, |
1201 | const char *mac, u16 fid, bool adding, | |
1202 | enum mlxsw_reg_sfd_rec_action action, | |
1203 | bool dynamic) | |
8a1ab5d7 | 1204 | { |
56ade8fe JP |
1205 | char *sfd_pl; |
1206 | int err; | |
1207 | ||
56ade8fe JP |
1208 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); |
1209 | if (!sfd_pl) | |
1210 | return -ENOMEM; | |
1211 | ||
8a1ab5d7 JP |
1212 | mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); |
1213 | mlxsw_reg_sfd_uc_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic), | |
6e095fd4 | 1214 | mac, fid, action, local_port); |
8a1ab5d7 JP |
1215 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
1216 | kfree(sfd_pl); | |
1217 | ||
1218 | return err; | |
1219 | } | |
1220 | ||
6e095fd4 IS |
1221 | static int mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port, |
1222 | const char *mac, u16 fid, bool adding, | |
1223 | bool dynamic) | |
1224 | { | |
1225 | return __mlxsw_sp_port_fdb_uc_op(mlxsw_sp, local_port, mac, fid, adding, | |
1226 | MLXSW_REG_SFD_REC_ACTION_NOP, dynamic); | |
1227 | } | |
1228 | ||
1229 | int mlxsw_sp_rif_fdb_op(struct mlxsw_sp *mlxsw_sp, const char *mac, u16 fid, | |
1230 | bool adding) | |
1231 | { | |
1232 | return __mlxsw_sp_port_fdb_uc_op(mlxsw_sp, 0, mac, fid, adding, | |
1233 | MLXSW_REG_SFD_REC_ACTION_FORWARD_IP_ROUTER, | |
1234 | false); | |
1235 | } | |
1236 | ||
8a1ab5d7 | 1237 | static int mlxsw_sp_port_fdb_uc_lag_op(struct mlxsw_sp *mlxsw_sp, u16 lag_id, |
64771e31 IS |
1238 | const char *mac, u16 fid, u16 lag_vid, |
1239 | bool adding, bool dynamic) | |
8a1ab5d7 JP |
1240 | { |
1241 | char *sfd_pl; | |
1242 | int err; | |
1243 | ||
1244 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); | |
1245 | if (!sfd_pl) | |
1246 | return -ENOMEM; | |
1247 | ||
1248 | mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); | |
1249 | mlxsw_reg_sfd_uc_lag_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic), | |
64771e31 IS |
1250 | mac, fid, MLXSW_REG_SFD_REC_ACTION_NOP, |
1251 | lag_vid, lag_id); | |
8a1ab5d7 | 1252 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
56ade8fe JP |
1253 | kfree(sfd_pl); |
1254 | ||
1255 | return err; | |
1256 | } | |
1257 | ||
af061378 AS |
1258 | static int |
1259 | mlxsw_sp_port_fdb_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
1260 | struct switchdev_notifier_fdb_info *fdb_info, bool adding) | |
1261 | { | |
1262 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1263 | struct net_device *orig_dev = fdb_info->info.dev; | |
1264 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
1265 | struct mlxsw_sp_bridge_device *bridge_device; | |
1266 | struct mlxsw_sp_bridge_port *bridge_port; | |
1267 | u16 fid_index, vid; | |
1268 | ||
1269 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); | |
1270 | if (!bridge_port) | |
1271 | return -EINVAL; | |
1272 | ||
1273 | bridge_device = bridge_port->bridge_device; | |
1274 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port, | |
1275 | bridge_device, | |
1276 | fdb_info->vid); | |
1277 | if (!mlxsw_sp_port_vlan) | |
1278 | return 0; | |
1279 | ||
1280 | fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid); | |
1281 | vid = mlxsw_sp_port_vlan->vid; | |
1282 | ||
1283 | if (!bridge_port->lagged) | |
1284 | return mlxsw_sp_port_fdb_uc_op(mlxsw_sp, | |
1285 | bridge_port->system_port, | |
1286 | fdb_info->addr, fid_index, | |
1287 | adding, false); | |
1288 | else | |
1289 | return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp, | |
1290 | bridge_port->lag_id, | |
1291 | fdb_info->addr, fid_index, | |
1292 | vid, adding, false); | |
1293 | } | |
1294 | ||
3a49b4fd | 1295 | static int mlxsw_sp_port_mdb_op(struct mlxsw_sp *mlxsw_sp, const char *addr, |
5f9abc59 | 1296 | u16 fid, u16 mid_idx, bool adding) |
3a49b4fd ER |
1297 | { |
1298 | char *sfd_pl; | |
1299 | int err; | |
1300 | ||
1301 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); | |
1302 | if (!sfd_pl) | |
1303 | return -ENOMEM; | |
1304 | ||
1305 | mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); | |
1306 | mlxsw_reg_sfd_mc_pack(sfd_pl, 0, addr, fid, | |
5f9abc59 | 1307 | MLXSW_REG_SFD_REC_ACTION_NOP, mid_idx); |
3a49b4fd ER |
1308 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
1309 | kfree(sfd_pl); | |
1310 | return err; | |
1311 | } | |
1312 | ||
2e3496cd | 1313 | static int mlxsw_sp_port_smid_full_entry(struct mlxsw_sp *mlxsw_sp, u16 mid_idx, |
c4db953f YG |
1314 | long *ports_bitmap, |
1315 | bool set_router_port) | |
3a49b4fd | 1316 | { |
3a49b4fd ER |
1317 | char *smid_pl; |
1318 | int err, i; | |
1319 | ||
1320 | smid_pl = kmalloc(MLXSW_REG_SMID_LEN, GFP_KERNEL); | |
1321 | if (!smid_pl) | |
1322 | return -ENOMEM; | |
1323 | ||
5f9abc59 NF |
1324 | mlxsw_reg_smid_pack(smid_pl, mid_idx, 0, false); |
1325 | for (i = 1; i < mlxsw_core_max_ports(mlxsw_sp->core); i++) { | |
1326 | if (mlxsw_sp->ports[i]) | |
1327 | mlxsw_reg_smid_port_mask_set(smid_pl, i, 1); | |
3a49b4fd | 1328 | } |
5f9abc59 | 1329 | |
c4db953f YG |
1330 | mlxsw_reg_smid_port_mask_set(smid_pl, |
1331 | mlxsw_sp_router_port(mlxsw_sp), 1); | |
1332 | ||
2e3496cd NF |
1333 | for_each_set_bit(i, ports_bitmap, mlxsw_core_max_ports(mlxsw_sp->core)) |
1334 | mlxsw_reg_smid_port_set(smid_pl, i, 1); | |
1335 | ||
c4db953f YG |
1336 | mlxsw_reg_smid_port_set(smid_pl, mlxsw_sp_router_port(mlxsw_sp), |
1337 | set_router_port); | |
1338 | ||
5f9abc59 NF |
1339 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(smid), smid_pl); |
1340 | kfree(smid_pl); | |
1341 | return err; | |
1342 | } | |
1343 | ||
1344 | static int mlxsw_sp_port_smid_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
1345 | u16 mid_idx, bool add) | |
1346 | { | |
1347 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1348 | char *smid_pl; | |
1349 | int err; | |
1350 | ||
1351 | smid_pl = kmalloc(MLXSW_REG_SMID_LEN, GFP_KERNEL); | |
1352 | if (!smid_pl) | |
1353 | return -ENOMEM; | |
1354 | ||
1355 | mlxsw_reg_smid_pack(smid_pl, mid_idx, mlxsw_sp_port->local_port, add); | |
3a49b4fd ER |
1356 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(smid), smid_pl); |
1357 | kfree(smid_pl); | |
1358 | return err; | |
1359 | } | |
1360 | ||
b80888a9 NF |
1361 | static struct |
1362 | mlxsw_sp_mid *__mlxsw_sp_mc_get(struct mlxsw_sp_bridge_device *bridge_device, | |
1363 | const unsigned char *addr, | |
1364 | u16 fid) | |
3a49b4fd ER |
1365 | { |
1366 | struct mlxsw_sp_mid *mid; | |
1367 | ||
b80888a9 | 1368 | list_for_each_entry(mid, &bridge_device->mids_list, list) { |
46d0847c | 1369 | if (ether_addr_equal(mid->addr, addr) && mid->fid == fid) |
3a49b4fd ER |
1370 | return mid; |
1371 | } | |
1372 | return NULL; | |
1373 | } | |
1374 | ||
3fba877c NF |
1375 | static void |
1376 | mlxsw_sp_bridge_port_get_ports_bitmap(struct mlxsw_sp *mlxsw_sp, | |
1377 | struct mlxsw_sp_bridge_port *bridge_port, | |
1378 | unsigned long *ports_bitmap) | |
1379 | { | |
1380 | struct mlxsw_sp_port *mlxsw_sp_port; | |
1381 | u64 max_lag_members, i; | |
1382 | int lag_id; | |
1383 | ||
1384 | if (!bridge_port->lagged) { | |
1385 | set_bit(bridge_port->system_port, ports_bitmap); | |
1386 | } else { | |
1387 | max_lag_members = MLXSW_CORE_RES_GET(mlxsw_sp->core, | |
1388 | MAX_LAG_MEMBERS); | |
1389 | lag_id = bridge_port->lag_id; | |
1390 | for (i = 0; i < max_lag_members; i++) { | |
1391 | mlxsw_sp_port = mlxsw_sp_port_lagged_get(mlxsw_sp, | |
1392 | lag_id, i); | |
1393 | if (mlxsw_sp_port) | |
1394 | set_bit(mlxsw_sp_port->local_port, | |
1395 | ports_bitmap); | |
1396 | } | |
1397 | } | |
1398 | } | |
1399 | ||
1400 | static void | |
1401 | mlxsw_sp_mc_get_mrouters_bitmap(unsigned long *flood_bitmap, | |
1402 | struct mlxsw_sp_bridge_device *bridge_device, | |
1403 | struct mlxsw_sp *mlxsw_sp) | |
1404 | { | |
1405 | struct mlxsw_sp_bridge_port *bridge_port; | |
1406 | ||
1407 | list_for_each_entry(bridge_port, &bridge_device->ports_list, list) { | |
1408 | if (bridge_port->mrouter) { | |
1409 | mlxsw_sp_bridge_port_get_ports_bitmap(mlxsw_sp, | |
1410 | bridge_port, | |
1411 | flood_bitmap); | |
1412 | } | |
1413 | } | |
1414 | } | |
1415 | ||
73b433e8 NF |
1416 | static bool |
1417 | mlxsw_sp_mc_write_mdb_entry(struct mlxsw_sp *mlxsw_sp, | |
3fba877c NF |
1418 | struct mlxsw_sp_mid *mid, |
1419 | struct mlxsw_sp_bridge_device *bridge_device) | |
73b433e8 | 1420 | { |
3fba877c NF |
1421 | long *flood_bitmap; |
1422 | int num_of_ports; | |
1423 | int alloc_size; | |
73b433e8 NF |
1424 | u16 mid_idx; |
1425 | int err; | |
1426 | ||
1427 | mid_idx = find_first_zero_bit(mlxsw_sp->bridge->mids_bitmap, | |
1428 | MLXSW_SP_MID_MAX); | |
1429 | if (mid_idx == MLXSW_SP_MID_MAX) | |
1430 | return false; | |
1431 | ||
3fba877c NF |
1432 | num_of_ports = mlxsw_core_max_ports(mlxsw_sp->core); |
1433 | alloc_size = sizeof(long) * BITS_TO_LONGS(num_of_ports); | |
1434 | flood_bitmap = kzalloc(alloc_size, GFP_KERNEL); | |
1435 | if (!flood_bitmap) | |
1436 | return false; | |
1437 | ||
1438 | bitmap_copy(flood_bitmap, mid->ports_in_mid, num_of_ports); | |
1439 | mlxsw_sp_mc_get_mrouters_bitmap(flood_bitmap, bridge_device, mlxsw_sp); | |
1440 | ||
73b433e8 | 1441 | mid->mid = mid_idx; |
c4db953f | 1442 | err = mlxsw_sp_port_smid_full_entry(mlxsw_sp, mid_idx, flood_bitmap, |
593bc28a | 1443 | bridge_device->mrouter); |
3fba877c | 1444 | kfree(flood_bitmap); |
73b433e8 NF |
1445 | if (err) |
1446 | return false; | |
1447 | ||
1448 | err = mlxsw_sp_port_mdb_op(mlxsw_sp, mid->addr, mid->fid, mid_idx, | |
1449 | true); | |
1450 | if (err) | |
1451 | return false; | |
1452 | ||
1453 | set_bit(mid_idx, mlxsw_sp->bridge->mids_bitmap); | |
1454 | mid->in_hw = true; | |
1455 | return true; | |
1456 | } | |
1457 | ||
1458 | static int mlxsw_sp_mc_remove_mdb_entry(struct mlxsw_sp *mlxsw_sp, | |
1459 | struct mlxsw_sp_mid *mid) | |
1460 | { | |
846fd8a0 NF |
1461 | if (!mid->in_hw) |
1462 | return 0; | |
1463 | ||
73b433e8 NF |
1464 | clear_bit(mid->mid, mlxsw_sp->bridge->mids_bitmap); |
1465 | mid->in_hw = false; | |
1466 | return mlxsw_sp_port_mdb_op(mlxsw_sp, mid->addr, mid->fid, mid->mid, | |
1467 | false); | |
1468 | } | |
1469 | ||
b80888a9 NF |
1470 | static struct |
1471 | mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp, | |
1472 | struct mlxsw_sp_bridge_device *bridge_device, | |
1473 | const unsigned char *addr, | |
1474 | u16 fid) | |
3a49b4fd ER |
1475 | { |
1476 | struct mlxsw_sp_mid *mid; | |
4cdc35e4 | 1477 | size_t alloc_size; |
3a49b4fd ER |
1478 | |
1479 | mid = kzalloc(sizeof(*mid), GFP_KERNEL); | |
1480 | if (!mid) | |
1481 | return NULL; | |
1482 | ||
4cdc35e4 NF |
1483 | alloc_size = sizeof(unsigned long) * |
1484 | BITS_TO_LONGS(mlxsw_core_max_ports(mlxsw_sp->core)); | |
73b433e8 | 1485 | |
4cdc35e4 | 1486 | mid->ports_in_mid = kzalloc(alloc_size, GFP_KERNEL); |
73b433e8 NF |
1487 | if (!mid->ports_in_mid) |
1488 | goto err_ports_in_mid_alloc; | |
4cdc35e4 | 1489 | |
3a49b4fd | 1490 | ether_addr_copy(mid->addr, addr); |
46d0847c | 1491 | mid->fid = fid; |
73b433e8 | 1492 | mid->in_hw = false; |
846fd8a0 NF |
1493 | |
1494 | if (!bridge_device->multicast_enabled) | |
1495 | goto out; | |
1496 | ||
3fba877c | 1497 | if (!mlxsw_sp_mc_write_mdb_entry(mlxsw_sp, mid, bridge_device)) |
73b433e8 NF |
1498 | goto err_write_mdb_entry; |
1499 | ||
846fd8a0 | 1500 | out: |
b80888a9 | 1501 | list_add_tail(&mid->list, &bridge_device->mids_list); |
3a49b4fd | 1502 | return mid; |
73b433e8 NF |
1503 | |
1504 | err_write_mdb_entry: | |
1505 | kfree(mid->ports_in_mid); | |
1506 | err_ports_in_mid_alloc: | |
1507 | kfree(mid); | |
1508 | return NULL; | |
3a49b4fd ER |
1509 | } |
1510 | ||
0161b950 NF |
1511 | static int mlxsw_sp_port_remove_from_mid(struct mlxsw_sp_port *mlxsw_sp_port, |
1512 | struct mlxsw_sp_mid *mid) | |
3a49b4fd | 1513 | { |
4cdc35e4 | 1514 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
73b433e8 | 1515 | int err = 0; |
4cdc35e4 NF |
1516 | |
1517 | clear_bit(mlxsw_sp_port->local_port, mid->ports_in_mid); | |
0161b950 NF |
1518 | if (bitmap_empty(mid->ports_in_mid, |
1519 | mlxsw_core_max_ports(mlxsw_sp->core))) { | |
73b433e8 | 1520 | err = mlxsw_sp_mc_remove_mdb_entry(mlxsw_sp, mid); |
3a49b4fd | 1521 | list_del(&mid->list); |
4cdc35e4 | 1522 | kfree(mid->ports_in_mid); |
3a49b4fd | 1523 | kfree(mid); |
3a49b4fd | 1524 | } |
73b433e8 | 1525 | return err; |
3a49b4fd ER |
1526 | } |
1527 | ||
1528 | static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port, | |
1529 | const struct switchdev_obj_port_mdb *mdb, | |
1530 | struct switchdev_trans *trans) | |
1531 | { | |
1532 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
c57529e1 IS |
1533 | struct net_device *orig_dev = mdb->obj.orig_dev; |
1534 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
3a49b4fd | 1535 | struct net_device *dev = mlxsw_sp_port->dev; |
c57529e1 IS |
1536 | struct mlxsw_sp_bridge_device *bridge_device; |
1537 | struct mlxsw_sp_bridge_port *bridge_port; | |
3a49b4fd | 1538 | struct mlxsw_sp_mid *mid; |
c57529e1 | 1539 | u16 fid_index; |
3a49b4fd ER |
1540 | int err = 0; |
1541 | ||
1542 | if (switchdev_trans_ph_prepare(trans)) | |
1543 | return 0; | |
1544 | ||
c57529e1 | 1545 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); |
17b334a8 IS |
1546 | if (!bridge_port) |
1547 | return 0; | |
c57529e1 IS |
1548 | |
1549 | bridge_device = bridge_port->bridge_device; | |
1550 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port, | |
1551 | bridge_device, | |
1552 | mdb->vid); | |
17b334a8 IS |
1553 | if (!mlxsw_sp_port_vlan) |
1554 | return 0; | |
c57529e1 | 1555 | |
a1107487 | 1556 | fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid); |
c57529e1 | 1557 | |
b80888a9 | 1558 | mid = __mlxsw_sp_mc_get(bridge_device, mdb->addr, fid_index); |
3a49b4fd | 1559 | if (!mid) { |
b80888a9 NF |
1560 | mid = __mlxsw_sp_mc_alloc(mlxsw_sp, bridge_device, mdb->addr, |
1561 | fid_index); | |
3a49b4fd ER |
1562 | if (!mid) { |
1563 | netdev_err(dev, "Unable to allocate MC group\n"); | |
1564 | return -ENOMEM; | |
1565 | } | |
1566 | } | |
4cdc35e4 | 1567 | set_bit(mlxsw_sp_port->local_port, mid->ports_in_mid); |
3a49b4fd | 1568 | |
846fd8a0 NF |
1569 | if (!bridge_device->multicast_enabled) |
1570 | return 0; | |
1571 | ||
ded711c8 NF |
1572 | if (bridge_port->mrouter) |
1573 | return 0; | |
1574 | ||
5f9abc59 | 1575 | err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, true); |
3a49b4fd ER |
1576 | if (err) { |
1577 | netdev_err(dev, "Unable to set SMID\n"); | |
1578 | goto err_out; | |
1579 | } | |
1580 | ||
3a49b4fd ER |
1581 | return 0; |
1582 | ||
1583 | err_out: | |
0161b950 | 1584 | mlxsw_sp_port_remove_from_mid(mlxsw_sp_port, mid); |
3a49b4fd ER |
1585 | return err; |
1586 | } | |
1587 | ||
2e3496cd NF |
1588 | static void |
1589 | mlxsw_sp_bridge_mdb_mc_enable_sync(struct mlxsw_sp_port *mlxsw_sp_port, | |
1590 | struct mlxsw_sp_bridge_device | |
1591 | *bridge_device) | |
1592 | { | |
1593 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1594 | struct mlxsw_sp_mid *mid; | |
1595 | bool mc_enabled; | |
1596 | ||
1597 | mc_enabled = bridge_device->multicast_enabled; | |
1598 | ||
1599 | list_for_each_entry(mid, &bridge_device->mids_list, list) { | |
1600 | if (mc_enabled) | |
3fba877c NF |
1601 | mlxsw_sp_mc_write_mdb_entry(mlxsw_sp, mid, |
1602 | bridge_device); | |
2e3496cd NF |
1603 | else |
1604 | mlxsw_sp_mc_remove_mdb_entry(mlxsw_sp, mid); | |
1605 | } | |
1606 | } | |
1607 | ||
3ddda117 NF |
1608 | static void |
1609 | mlxsw_sp_port_mrouter_update_mdb(struct mlxsw_sp_port *mlxsw_sp_port, | |
1610 | struct mlxsw_sp_bridge_port *bridge_port, | |
1611 | bool add) | |
1612 | { | |
1613 | struct mlxsw_sp_bridge_device *bridge_device; | |
1614 | struct mlxsw_sp_mid *mid; | |
1615 | ||
1616 | bridge_device = bridge_port->bridge_device; | |
1617 | ||
1618 | list_for_each_entry(mid, &bridge_device->mids_list, list) { | |
1619 | if (!test_bit(mlxsw_sp_port->local_port, mid->ports_in_mid)) | |
1620 | mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, add); | |
1621 | } | |
1622 | } | |
1623 | ||
56ade8fe JP |
1624 | static int mlxsw_sp_port_obj_add(struct net_device *dev, |
1625 | const struct switchdev_obj *obj, | |
1626 | struct switchdev_trans *trans) | |
1627 | { | |
1628 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
1629 | int err = 0; | |
1630 | ||
1631 | switch (obj->id) { | |
1632 | case SWITCHDEV_OBJ_ID_PORT_VLAN: | |
1633 | err = mlxsw_sp_port_vlans_add(mlxsw_sp_port, | |
1634 | SWITCHDEV_OBJ_PORT_VLAN(obj), | |
1635 | trans); | |
1636 | break; | |
3a49b4fd ER |
1637 | case SWITCHDEV_OBJ_ID_PORT_MDB: |
1638 | err = mlxsw_sp_port_mdb_add(mlxsw_sp_port, | |
1639 | SWITCHDEV_OBJ_PORT_MDB(obj), | |
1640 | trans); | |
1641 | break; | |
56ade8fe JP |
1642 | default: |
1643 | err = -EOPNOTSUPP; | |
1644 | break; | |
1645 | } | |
1646 | ||
1647 | return err; | |
1648 | } | |
1649 | ||
c57529e1 IS |
1650 | static void |
1651 | mlxsw_sp_bridge_port_vlan_del(struct mlxsw_sp_port *mlxsw_sp_port, | |
1652 | struct mlxsw_sp_bridge_port *bridge_port, u16 vid) | |
56ade8fe | 1653 | { |
fe9ccc78 | 1654 | u16 pvid = mlxsw_sp_port->pvid == vid ? 0 : vid; |
c57529e1 | 1655 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; |
fe9ccc78 | 1656 | |
c57529e1 IS |
1657 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); |
1658 | if (WARN_ON(!mlxsw_sp_port_vlan)) | |
1659 | return; | |
1660 | ||
1661 | mlxsw_sp_port_vlan_bridge_leave(mlxsw_sp_port_vlan); | |
fe9ccc78 IS |
1662 | mlxsw_sp_port_pvid_set(mlxsw_sp_port, pvid); |
1663 | mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false); | |
c57529e1 | 1664 | mlxsw_sp_port_vlan_put(mlxsw_sp_port_vlan); |
56ade8fe JP |
1665 | } |
1666 | ||
1667 | static int mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port, | |
1668 | const struct switchdev_obj_port_vlan *vlan) | |
1669 | { | |
c57529e1 IS |
1670 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
1671 | struct net_device *orig_dev = vlan->obj.orig_dev; | |
1672 | struct mlxsw_sp_bridge_port *bridge_port; | |
fe9ccc78 IS |
1673 | u16 vid; |
1674 | ||
c57529e1 IS |
1675 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); |
1676 | if (WARN_ON(!bridge_port)) | |
1677 | return -EINVAL; | |
fe9ccc78 | 1678 | |
c57529e1 IS |
1679 | if (!bridge_port->bridge_device->vlan_enabled) |
1680 | return 0; | |
56ade8fe | 1681 | |
c57529e1 IS |
1682 | for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) |
1683 | mlxsw_sp_bridge_port_vlan_del(mlxsw_sp_port, bridge_port, vid); | |
4dc236c3 | 1684 | |
c57529e1 | 1685 | return 0; |
4dc236c3 IS |
1686 | } |
1687 | ||
061e55bf NF |
1688 | static int |
1689 | __mlxsw_sp_port_mdb_del(struct mlxsw_sp_port *mlxsw_sp_port, | |
1690 | struct mlxsw_sp_bridge_port *bridge_port, | |
1691 | struct mlxsw_sp_mid *mid) | |
1692 | { | |
1693 | struct net_device *dev = mlxsw_sp_port->dev; | |
1694 | int err; | |
1695 | ||
846fd8a0 | 1696 | if (bridge_port->bridge_device->multicast_enabled) { |
ded711c8 NF |
1697 | if (bridge_port->bridge_device->multicast_enabled) { |
1698 | err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, | |
1699 | false); | |
1700 | if (err) | |
1701 | netdev_err(dev, "Unable to remove port from SMID\n"); | |
1702 | } | |
846fd8a0 | 1703 | } |
061e55bf NF |
1704 | |
1705 | err = mlxsw_sp_port_remove_from_mid(mlxsw_sp_port, mid); | |
1706 | if (err) | |
1707 | netdev_err(dev, "Unable to remove MC SFD\n"); | |
1708 | ||
1709 | return err; | |
1710 | } | |
1711 | ||
3a49b4fd ER |
1712 | static int mlxsw_sp_port_mdb_del(struct mlxsw_sp_port *mlxsw_sp_port, |
1713 | const struct switchdev_obj_port_mdb *mdb) | |
1714 | { | |
1715 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
c57529e1 IS |
1716 | struct net_device *orig_dev = mdb->obj.orig_dev; |
1717 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
1718 | struct mlxsw_sp_bridge_device *bridge_device; | |
3a49b4fd | 1719 | struct net_device *dev = mlxsw_sp_port->dev; |
c57529e1 | 1720 | struct mlxsw_sp_bridge_port *bridge_port; |
3a49b4fd | 1721 | struct mlxsw_sp_mid *mid; |
c57529e1 | 1722 | u16 fid_index; |
3a49b4fd | 1723 | |
c57529e1 | 1724 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); |
17b334a8 IS |
1725 | if (!bridge_port) |
1726 | return 0; | |
c57529e1 IS |
1727 | |
1728 | bridge_device = bridge_port->bridge_device; | |
1729 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port, | |
1730 | bridge_device, | |
1731 | mdb->vid); | |
17b334a8 IS |
1732 | if (!mlxsw_sp_port_vlan) |
1733 | return 0; | |
c57529e1 | 1734 | |
a1107487 | 1735 | fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid); |
c57529e1 | 1736 | |
b80888a9 | 1737 | mid = __mlxsw_sp_mc_get(bridge_device, mdb->addr, fid_index); |
3a49b4fd ER |
1738 | if (!mid) { |
1739 | netdev_err(dev, "Unable to remove port from MC DB\n"); | |
1740 | return -EINVAL; | |
1741 | } | |
1742 | ||
061e55bf | 1743 | return __mlxsw_sp_port_mdb_del(mlxsw_sp_port, bridge_port, mid); |
3a49b4fd ER |
1744 | } |
1745 | ||
bb5355b2 NF |
1746 | static void |
1747 | mlxsw_sp_bridge_port_mdb_flush(struct mlxsw_sp_port *mlxsw_sp_port, | |
1748 | struct mlxsw_sp_bridge_port *bridge_port) | |
1749 | { | |
1750 | struct mlxsw_sp_bridge_device *bridge_device; | |
1751 | struct mlxsw_sp_mid *mid, *tmp; | |
1752 | ||
1753 | bridge_device = bridge_port->bridge_device; | |
1754 | ||
1755 | list_for_each_entry_safe(mid, tmp, &bridge_device->mids_list, list) { | |
1756 | if (test_bit(mlxsw_sp_port->local_port, mid->ports_in_mid)) { | |
1757 | __mlxsw_sp_port_mdb_del(mlxsw_sp_port, bridge_port, | |
1758 | mid); | |
01662777 NF |
1759 | } else if (bridge_device->multicast_enabled && |
1760 | bridge_port->mrouter) { | |
1761 | mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, false); | |
bb5355b2 NF |
1762 | } |
1763 | } | |
1764 | } | |
1765 | ||
56ade8fe JP |
1766 | static int mlxsw_sp_port_obj_del(struct net_device *dev, |
1767 | const struct switchdev_obj *obj) | |
1768 | { | |
1769 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
1770 | int err = 0; | |
1771 | ||
1772 | switch (obj->id) { | |
1773 | case SWITCHDEV_OBJ_ID_PORT_VLAN: | |
1774 | err = mlxsw_sp_port_vlans_del(mlxsw_sp_port, | |
1775 | SWITCHDEV_OBJ_PORT_VLAN(obj)); | |
1776 | break; | |
3a49b4fd ER |
1777 | case SWITCHDEV_OBJ_ID_PORT_MDB: |
1778 | err = mlxsw_sp_port_mdb_del(mlxsw_sp_port, | |
1779 | SWITCHDEV_OBJ_PORT_MDB(obj)); | |
00ae40e7 | 1780 | break; |
56ade8fe JP |
1781 | default: |
1782 | err = -EOPNOTSUPP; | |
1783 | break; | |
1784 | } | |
1785 | ||
1786 | return err; | |
1787 | } | |
1788 | ||
8a1ab5d7 JP |
1789 | static struct mlxsw_sp_port *mlxsw_sp_lag_rep_port(struct mlxsw_sp *mlxsw_sp, |
1790 | u16 lag_id) | |
1791 | { | |
1792 | struct mlxsw_sp_port *mlxsw_sp_port; | |
c1a38311 | 1793 | u64 max_lag_members; |
8a1ab5d7 JP |
1794 | int i; |
1795 | ||
c1a38311 JP |
1796 | max_lag_members = MLXSW_CORE_RES_GET(mlxsw_sp->core, |
1797 | MAX_LAG_MEMBERS); | |
1798 | for (i = 0; i < max_lag_members; i++) { | |
8a1ab5d7 JP |
1799 | mlxsw_sp_port = mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i); |
1800 | if (mlxsw_sp_port) | |
1801 | return mlxsw_sp_port; | |
1802 | } | |
1803 | return NULL; | |
1804 | } | |
1805 | ||
c7070fc4 | 1806 | static const struct switchdev_ops mlxsw_sp_port_switchdev_ops = { |
56ade8fe JP |
1807 | .switchdev_port_attr_get = mlxsw_sp_port_attr_get, |
1808 | .switchdev_port_attr_set = mlxsw_sp_port_attr_set, | |
1809 | .switchdev_port_obj_add = mlxsw_sp_port_obj_add, | |
1810 | .switchdev_port_obj_del = mlxsw_sp_port_obj_del, | |
56ade8fe JP |
1811 | }; |
1812 | ||
c57529e1 IS |
1813 | static int |
1814 | mlxsw_sp_bridge_8021q_port_join(struct mlxsw_sp_bridge_device *bridge_device, | |
1815 | struct mlxsw_sp_bridge_port *bridge_port, | |
9b63ef88 IS |
1816 | struct mlxsw_sp_port *mlxsw_sp_port, |
1817 | struct netlink_ext_ack *extack) | |
c57529e1 IS |
1818 | { |
1819 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
1820 | ||
9b63ef88 IS |
1821 | if (is_vlan_dev(bridge_port->dev)) { |
1822 | NL_SET_ERR_MSG(extack, "spectrum: Can not enslave a VLAN device to a VLAN-aware bridge"); | |
c57529e1 | 1823 | return -EINVAL; |
9b63ef88 | 1824 | } |
c57529e1 IS |
1825 | |
1826 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, 1); | |
1827 | if (WARN_ON(!mlxsw_sp_port_vlan)) | |
1828 | return -EINVAL; | |
1829 | ||
1830 | /* Let VLAN-aware bridge take care of its own VLANs */ | |
1831 | mlxsw_sp_port_vlan_put(mlxsw_sp_port_vlan); | |
1832 | ||
1833 | return 0; | |
1834 | } | |
1835 | ||
1836 | static void | |
1837 | mlxsw_sp_bridge_8021q_port_leave(struct mlxsw_sp_bridge_device *bridge_device, | |
1838 | struct mlxsw_sp_bridge_port *bridge_port, | |
1839 | struct mlxsw_sp_port *mlxsw_sp_port) | |
1840 | { | |
1841 | mlxsw_sp_port_vlan_get(mlxsw_sp_port, 1); | |
1842 | /* Make sure untagged frames are allowed to ingress */ | |
1843 | mlxsw_sp_port_pvid_set(mlxsw_sp_port, 1); | |
1844 | } | |
1845 | ||
a1107487 IS |
1846 | static struct mlxsw_sp_fid * |
1847 | mlxsw_sp_bridge_8021q_fid_get(struct mlxsw_sp_bridge_device *bridge_device, | |
1848 | u16 vid) | |
1849 | { | |
1850 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(bridge_device->dev); | |
1851 | ||
1852 | return mlxsw_sp_fid_8021q_get(mlxsw_sp, vid); | |
1853 | } | |
1854 | ||
c57529e1 IS |
1855 | static const struct mlxsw_sp_bridge_ops mlxsw_sp_bridge_8021q_ops = { |
1856 | .port_join = mlxsw_sp_bridge_8021q_port_join, | |
1857 | .port_leave = mlxsw_sp_bridge_8021q_port_leave, | |
a1107487 | 1858 | .fid_get = mlxsw_sp_bridge_8021q_fid_get, |
c57529e1 IS |
1859 | }; |
1860 | ||
1861 | static bool | |
1862 | mlxsw_sp_port_is_br_member(const struct mlxsw_sp_port *mlxsw_sp_port, | |
1863 | const struct net_device *br_dev) | |
1864 | { | |
1865 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
1866 | ||
1867 | list_for_each_entry(mlxsw_sp_port_vlan, &mlxsw_sp_port->vlans_list, | |
1868 | list) { | |
1869 | if (mlxsw_sp_port_vlan->bridge_port && | |
1870 | mlxsw_sp_port_vlan->bridge_port->bridge_device->dev == | |
1871 | br_dev) | |
1872 | return true; | |
1873 | } | |
1874 | ||
1875 | return false; | |
1876 | } | |
1877 | ||
1878 | static int | |
1879 | mlxsw_sp_bridge_8021d_port_join(struct mlxsw_sp_bridge_device *bridge_device, | |
1880 | struct mlxsw_sp_bridge_port *bridge_port, | |
9b63ef88 IS |
1881 | struct mlxsw_sp_port *mlxsw_sp_port, |
1882 | struct netlink_ext_ack *extack) | |
c57529e1 IS |
1883 | { |
1884 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
c57529e1 IS |
1885 | u16 vid; |
1886 | ||
9b63ef88 IS |
1887 | if (!is_vlan_dev(bridge_port->dev)) { |
1888 | NL_SET_ERR_MSG(extack, "spectrum: Only VLAN devices can be enslaved to a VLAN-unaware bridge"); | |
c57529e1 | 1889 | return -EINVAL; |
9b63ef88 | 1890 | } |
c57529e1 IS |
1891 | vid = vlan_dev_vlan_id(bridge_port->dev); |
1892 | ||
1893 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); | |
1894 | if (WARN_ON(!mlxsw_sp_port_vlan)) | |
1895 | return -EINVAL; | |
c57529e1 IS |
1896 | |
1897 | if (mlxsw_sp_port_is_br_member(mlxsw_sp_port, bridge_device->dev)) { | |
9b63ef88 | 1898 | NL_SET_ERR_MSG(extack, "spectrum: Can not bridge VLAN uppers of the same port"); |
c57529e1 IS |
1899 | return -EINVAL; |
1900 | } | |
1901 | ||
1902 | /* Port is no longer usable as a router interface */ | |
a1107487 IS |
1903 | if (mlxsw_sp_port_vlan->fid) |
1904 | mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port_vlan); | |
c57529e1 IS |
1905 | |
1906 | return mlxsw_sp_port_vlan_bridge_join(mlxsw_sp_port_vlan, bridge_port); | |
1907 | } | |
1908 | ||
1909 | static void | |
1910 | mlxsw_sp_bridge_8021d_port_leave(struct mlxsw_sp_bridge_device *bridge_device, | |
1911 | struct mlxsw_sp_bridge_port *bridge_port, | |
1912 | struct mlxsw_sp_port *mlxsw_sp_port) | |
1913 | { | |
1914 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
1915 | u16 vid = vlan_dev_vlan_id(bridge_port->dev); | |
1916 | ||
1917 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); | |
1918 | if (WARN_ON(!mlxsw_sp_port_vlan)) | |
1919 | return; | |
1920 | ||
1921 | mlxsw_sp_port_vlan_bridge_leave(mlxsw_sp_port_vlan); | |
1922 | } | |
1923 | ||
a1107487 IS |
1924 | static struct mlxsw_sp_fid * |
1925 | mlxsw_sp_bridge_8021d_fid_get(struct mlxsw_sp_bridge_device *bridge_device, | |
1926 | u16 vid) | |
1927 | { | |
1928 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(bridge_device->dev); | |
1929 | ||
1930 | return mlxsw_sp_fid_8021d_get(mlxsw_sp, bridge_device->dev->ifindex); | |
1931 | } | |
1932 | ||
c57529e1 IS |
1933 | static const struct mlxsw_sp_bridge_ops mlxsw_sp_bridge_8021d_ops = { |
1934 | .port_join = mlxsw_sp_bridge_8021d_port_join, | |
1935 | .port_leave = mlxsw_sp_bridge_8021d_port_leave, | |
a1107487 | 1936 | .fid_get = mlxsw_sp_bridge_8021d_fid_get, |
c57529e1 IS |
1937 | }; |
1938 | ||
1939 | int mlxsw_sp_port_bridge_join(struct mlxsw_sp_port *mlxsw_sp_port, | |
1940 | struct net_device *brport_dev, | |
9b63ef88 IS |
1941 | struct net_device *br_dev, |
1942 | struct netlink_ext_ack *extack) | |
c57529e1 IS |
1943 | { |
1944 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1945 | struct mlxsw_sp_bridge_device *bridge_device; | |
1946 | struct mlxsw_sp_bridge_port *bridge_port; | |
1947 | int err; | |
1948 | ||
1949 | bridge_port = mlxsw_sp_bridge_port_get(mlxsw_sp->bridge, brport_dev); | |
1950 | if (IS_ERR(bridge_port)) | |
1951 | return PTR_ERR(bridge_port); | |
1952 | bridge_device = bridge_port->bridge_device; | |
1953 | ||
1954 | err = bridge_device->ops->port_join(bridge_device, bridge_port, | |
9b63ef88 | 1955 | mlxsw_sp_port, extack); |
c57529e1 IS |
1956 | if (err) |
1957 | goto err_port_join; | |
1958 | ||
1959 | return 0; | |
1960 | ||
1961 | err_port_join: | |
1962 | mlxsw_sp_bridge_port_put(mlxsw_sp->bridge, bridge_port); | |
1963 | return err; | |
1964 | } | |
1965 | ||
1966 | void mlxsw_sp_port_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_port, | |
1967 | struct net_device *brport_dev, | |
1968 | struct net_device *br_dev) | |
1969 | { | |
1970 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1971 | struct mlxsw_sp_bridge_device *bridge_device; | |
1972 | struct mlxsw_sp_bridge_port *bridge_port; | |
1973 | ||
1974 | bridge_device = mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, br_dev); | |
1975 | if (!bridge_device) | |
1976 | return; | |
1977 | bridge_port = __mlxsw_sp_bridge_port_find(bridge_device, brport_dev); | |
1978 | if (!bridge_port) | |
1979 | return; | |
1980 | ||
1981 | bridge_device->ops->port_leave(bridge_device, bridge_port, | |
1982 | mlxsw_sp_port); | |
1983 | mlxsw_sp_bridge_port_put(mlxsw_sp->bridge, bridge_port); | |
1984 | } | |
1985 | ||
1b40dc3d AS |
1986 | static void |
1987 | mlxsw_sp_fdb_call_notifiers(enum switchdev_notifier_type type, | |
1988 | const char *mac, u16 vid, | |
1989 | struct net_device *dev) | |
8a1ab5d7 JP |
1990 | { |
1991 | struct switchdev_notifier_fdb_info info; | |
8a1ab5d7 | 1992 | |
a989cdb4 AS |
1993 | info.addr = mac; |
1994 | info.vid = vid; | |
1b40dc3d | 1995 | call_switchdev_notifiers(type, dev, &info.info); |
8a1ab5d7 JP |
1996 | } |
1997 | ||
56ade8fe JP |
1998 | static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp, |
1999 | char *sfn_pl, int rec_index, | |
2000 | bool adding) | |
2001 | { | |
c57529e1 IS |
2002 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; |
2003 | struct mlxsw_sp_bridge_device *bridge_device; | |
2004 | struct mlxsw_sp_bridge_port *bridge_port; | |
56ade8fe | 2005 | struct mlxsw_sp_port *mlxsw_sp_port; |
1b40dc3d | 2006 | enum switchdev_notifier_type type; |
56ade8fe JP |
2007 | char mac[ETH_ALEN]; |
2008 | u8 local_port; | |
9de6a80e | 2009 | u16 vid, fid; |
12f1501e | 2010 | bool do_notification = true; |
56ade8fe JP |
2011 | int err; |
2012 | ||
9de6a80e | 2013 | mlxsw_reg_sfn_mac_unpack(sfn_pl, rec_index, mac, &fid, &local_port); |
56ade8fe JP |
2014 | mlxsw_sp_port = mlxsw_sp->ports[local_port]; |
2015 | if (!mlxsw_sp_port) { | |
2016 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Incorrect local port in FDB notification\n"); | |
12f1501e | 2017 | goto just_remove; |
56ade8fe JP |
2018 | } |
2019 | ||
c57529e1 IS |
2020 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_fid(mlxsw_sp_port, fid); |
2021 | if (!mlxsw_sp_port_vlan) { | |
2022 | netdev_err(mlxsw_sp_port->dev, "Failed to find a matching {Port, VID} following FDB notification\n"); | |
2023 | goto just_remove; | |
2024 | } | |
aac78a44 | 2025 | |
c57529e1 IS |
2026 | bridge_port = mlxsw_sp_port_vlan->bridge_port; |
2027 | if (!bridge_port) { | |
2028 | netdev_err(mlxsw_sp_port->dev, "{Port, VID} not associated with a bridge\n"); | |
2029 | goto just_remove; | |
aac78a44 IS |
2030 | } |
2031 | ||
c57529e1 IS |
2032 | bridge_device = bridge_port->bridge_device; |
2033 | vid = bridge_device->vlan_enabled ? mlxsw_sp_port_vlan->vid : 0; | |
2034 | ||
12f1501e | 2035 | do_fdb_op: |
2fa9d45e | 2036 | err = mlxsw_sp_port_fdb_uc_op(mlxsw_sp, local_port, mac, fid, |
12f1501e | 2037 | adding, true); |
56ade8fe | 2038 | if (err) { |
c0e01eac | 2039 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to set FDB entry\n"); |
56ade8fe JP |
2040 | return; |
2041 | } | |
2042 | ||
12f1501e JP |
2043 | if (!do_notification) |
2044 | return; | |
1b40dc3d AS |
2045 | type = adding ? SWITCHDEV_FDB_ADD_TO_BRIDGE : SWITCHDEV_FDB_DEL_TO_BRIDGE; |
2046 | mlxsw_sp_fdb_call_notifiers(type, mac, vid, bridge_port->dev); | |
a989cdb4 | 2047 | |
12f1501e JP |
2048 | return; |
2049 | ||
2050 | just_remove: | |
2051 | adding = false; | |
2052 | do_notification = false; | |
2053 | goto do_fdb_op; | |
8a1ab5d7 | 2054 | } |
56ade8fe | 2055 | |
8a1ab5d7 JP |
2056 | static void mlxsw_sp_fdb_notify_mac_lag_process(struct mlxsw_sp *mlxsw_sp, |
2057 | char *sfn_pl, int rec_index, | |
2058 | bool adding) | |
2059 | { | |
c57529e1 IS |
2060 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; |
2061 | struct mlxsw_sp_bridge_device *bridge_device; | |
2062 | struct mlxsw_sp_bridge_port *bridge_port; | |
8a1ab5d7 | 2063 | struct mlxsw_sp_port *mlxsw_sp_port; |
1b40dc3d | 2064 | enum switchdev_notifier_type type; |
8a1ab5d7 | 2065 | char mac[ETH_ALEN]; |
64771e31 | 2066 | u16 lag_vid = 0; |
8a1ab5d7 | 2067 | u16 lag_id; |
9de6a80e | 2068 | u16 vid, fid; |
12f1501e | 2069 | bool do_notification = true; |
8a1ab5d7 JP |
2070 | int err; |
2071 | ||
9de6a80e | 2072 | mlxsw_reg_sfn_mac_lag_unpack(sfn_pl, rec_index, mac, &fid, &lag_id); |
8a1ab5d7 JP |
2073 | mlxsw_sp_port = mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id); |
2074 | if (!mlxsw_sp_port) { | |
2075 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Cannot find port representor for LAG\n"); | |
12f1501e | 2076 | goto just_remove; |
56ade8fe | 2077 | } |
8a1ab5d7 | 2078 | |
c57529e1 IS |
2079 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_fid(mlxsw_sp_port, fid); |
2080 | if (!mlxsw_sp_port_vlan) { | |
2081 | netdev_err(mlxsw_sp_port->dev, "Failed to find a matching {Port, VID} following FDB notification\n"); | |
2082 | goto just_remove; | |
2083 | } | |
aac78a44 | 2084 | |
c57529e1 IS |
2085 | bridge_port = mlxsw_sp_port_vlan->bridge_port; |
2086 | if (!bridge_port) { | |
2087 | netdev_err(mlxsw_sp_port->dev, "{Port, VID} not associated with a bridge\n"); | |
2088 | goto just_remove; | |
aac78a44 IS |
2089 | } |
2090 | ||
c57529e1 IS |
2091 | bridge_device = bridge_port->bridge_device; |
2092 | vid = bridge_device->vlan_enabled ? mlxsw_sp_port_vlan->vid : 0; | |
2093 | lag_vid = mlxsw_sp_port_vlan->vid; | |
2094 | ||
12f1501e | 2095 | do_fdb_op: |
64771e31 | 2096 | err = mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp, lag_id, mac, fid, lag_vid, |
12f1501e | 2097 | adding, true); |
8a1ab5d7 | 2098 | if (err) { |
c0e01eac | 2099 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to set FDB entry\n"); |
8a1ab5d7 JP |
2100 | return; |
2101 | } | |
2102 | ||
12f1501e JP |
2103 | if (!do_notification) |
2104 | return; | |
1b40dc3d AS |
2105 | type = adding ? SWITCHDEV_FDB_ADD_TO_BRIDGE : SWITCHDEV_FDB_DEL_TO_BRIDGE; |
2106 | mlxsw_sp_fdb_call_notifiers(type, mac, vid, bridge_port->dev); | |
a989cdb4 | 2107 | |
12f1501e JP |
2108 | return; |
2109 | ||
2110 | just_remove: | |
2111 | adding = false; | |
2112 | do_notification = false; | |
2113 | goto do_fdb_op; | |
56ade8fe JP |
2114 | } |
2115 | ||
2116 | static void mlxsw_sp_fdb_notify_rec_process(struct mlxsw_sp *mlxsw_sp, | |
2117 | char *sfn_pl, int rec_index) | |
2118 | { | |
2119 | switch (mlxsw_reg_sfn_rec_type_get(sfn_pl, rec_index)) { | |
2120 | case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC: | |
2121 | mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl, | |
2122 | rec_index, true); | |
2123 | break; | |
2124 | case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC: | |
2125 | mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl, | |
2126 | rec_index, false); | |
2127 | break; | |
8a1ab5d7 JP |
2128 | case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC_LAG: |
2129 | mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl, | |
2130 | rec_index, true); | |
2131 | break; | |
2132 | case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC_LAG: | |
2133 | mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl, | |
2134 | rec_index, false); | |
2135 | break; | |
56ade8fe JP |
2136 | } |
2137 | } | |
2138 | ||
2139 | static void mlxsw_sp_fdb_notify_work_schedule(struct mlxsw_sp *mlxsw_sp) | |
2140 | { | |
5f6935c6 IS |
2141 | struct mlxsw_sp_bridge *bridge = mlxsw_sp->bridge; |
2142 | ||
2143 | mlxsw_core_schedule_dw(&bridge->fdb_notify.dw, | |
2144 | msecs_to_jiffies(bridge->fdb_notify.interval)); | |
56ade8fe JP |
2145 | } |
2146 | ||
2147 | static void mlxsw_sp_fdb_notify_work(struct work_struct *work) | |
2148 | { | |
5f6935c6 | 2149 | struct mlxsw_sp_bridge *bridge; |
56ade8fe JP |
2150 | struct mlxsw_sp *mlxsw_sp; |
2151 | char *sfn_pl; | |
2152 | u8 num_rec; | |
2153 | int i; | |
2154 | int err; | |
2155 | ||
2156 | sfn_pl = kmalloc(MLXSW_REG_SFN_LEN, GFP_KERNEL); | |
2157 | if (!sfn_pl) | |
2158 | return; | |
2159 | ||
5f6935c6 IS |
2160 | bridge = container_of(work, struct mlxsw_sp_bridge, fdb_notify.dw.work); |
2161 | mlxsw_sp = bridge->mlxsw_sp; | |
56ade8fe | 2162 | |
4f2c6ae5 | 2163 | rtnl_lock(); |
1803e0fb IS |
2164 | mlxsw_reg_sfn_pack(sfn_pl); |
2165 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfn), sfn_pl); | |
2166 | if (err) { | |
2167 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to get FDB notifications\n"); | |
2168 | goto out; | |
2169 | } | |
2170 | num_rec = mlxsw_reg_sfn_num_rec_get(sfn_pl); | |
2171 | for (i = 0; i < num_rec; i++) | |
2172 | mlxsw_sp_fdb_notify_rec_process(mlxsw_sp, sfn_pl, i); | |
56ade8fe | 2173 | |
1803e0fb | 2174 | out: |
4f2c6ae5 | 2175 | rtnl_unlock(); |
56ade8fe JP |
2176 | kfree(sfn_pl); |
2177 | mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp); | |
2178 | } | |
2179 | ||
af061378 AS |
2180 | struct mlxsw_sp_switchdev_event_work { |
2181 | struct work_struct work; | |
2182 | struct switchdev_notifier_fdb_info fdb_info; | |
2183 | struct net_device *dev; | |
2184 | unsigned long event; | |
2185 | }; | |
2186 | ||
2187 | static void mlxsw_sp_switchdev_event_work(struct work_struct *work) | |
2188 | { | |
2189 | struct mlxsw_sp_switchdev_event_work *switchdev_work = | |
2190 | container_of(work, struct mlxsw_sp_switchdev_event_work, work); | |
2191 | struct net_device *dev = switchdev_work->dev; | |
2192 | struct switchdev_notifier_fdb_info *fdb_info; | |
2193 | struct mlxsw_sp_port *mlxsw_sp_port; | |
2194 | int err; | |
2195 | ||
2196 | rtnl_lock(); | |
2197 | mlxsw_sp_port = mlxsw_sp_port_dev_lower_find(dev); | |
2198 | if (!mlxsw_sp_port) | |
2199 | goto out; | |
2200 | ||
2201 | switch (switchdev_work->event) { | |
2202 | case SWITCHDEV_FDB_ADD_TO_DEVICE: | |
2203 | fdb_info = &switchdev_work->fdb_info; | |
2204 | err = mlxsw_sp_port_fdb_set(mlxsw_sp_port, fdb_info, true); | |
2205 | if (err) | |
2206 | break; | |
2207 | mlxsw_sp_fdb_call_notifiers(SWITCHDEV_FDB_OFFLOADED, | |
2208 | fdb_info->addr, | |
2209 | fdb_info->vid, dev); | |
2210 | break; | |
2211 | case SWITCHDEV_FDB_DEL_TO_DEVICE: | |
2212 | fdb_info = &switchdev_work->fdb_info; | |
2213 | mlxsw_sp_port_fdb_set(mlxsw_sp_port, fdb_info, false); | |
2214 | break; | |
2215 | } | |
2216 | ||
2217 | out: | |
2218 | rtnl_unlock(); | |
2219 | kfree(switchdev_work->fdb_info.addr); | |
2220 | kfree(switchdev_work); | |
2221 | dev_put(dev); | |
2222 | } | |
2223 | ||
2224 | /* Called under rcu_read_lock() */ | |
2225 | static int mlxsw_sp_switchdev_event(struct notifier_block *unused, | |
2226 | unsigned long event, void *ptr) | |
2227 | { | |
2228 | struct net_device *dev = switchdev_notifier_info_to_dev(ptr); | |
2229 | struct mlxsw_sp_switchdev_event_work *switchdev_work; | |
2230 | struct switchdev_notifier_fdb_info *fdb_info = ptr; | |
2231 | ||
2232 | if (!mlxsw_sp_port_dev_lower_find_rcu(dev)) | |
2233 | return NOTIFY_DONE; | |
2234 | ||
2235 | switchdev_work = kzalloc(sizeof(*switchdev_work), GFP_ATOMIC); | |
2236 | if (!switchdev_work) | |
2237 | return NOTIFY_BAD; | |
2238 | ||
2239 | INIT_WORK(&switchdev_work->work, mlxsw_sp_switchdev_event_work); | |
2240 | switchdev_work->dev = dev; | |
2241 | switchdev_work->event = event; | |
2242 | ||
2243 | switch (event) { | |
2244 | case SWITCHDEV_FDB_ADD_TO_DEVICE: /* fall through */ | |
2245 | case SWITCHDEV_FDB_DEL_TO_DEVICE: | |
2246 | memcpy(&switchdev_work->fdb_info, ptr, | |
2247 | sizeof(switchdev_work->fdb_info)); | |
2248 | switchdev_work->fdb_info.addr = kzalloc(ETH_ALEN, GFP_ATOMIC); | |
6f497930 IS |
2249 | if (!switchdev_work->fdb_info.addr) |
2250 | goto err_addr_alloc; | |
af061378 AS |
2251 | ether_addr_copy((u8 *)switchdev_work->fdb_info.addr, |
2252 | fdb_info->addr); | |
2253 | /* Take a reference on the device. This can be either | |
2254 | * upper device containig mlxsw_sp_port or just a | |
2255 | * mlxsw_sp_port | |
2256 | */ | |
2257 | dev_hold(dev); | |
2258 | break; | |
2259 | default: | |
2260 | kfree(switchdev_work); | |
2261 | return NOTIFY_DONE; | |
2262 | } | |
2263 | ||
2264 | mlxsw_core_schedule_work(&switchdev_work->work); | |
2265 | ||
2266 | return NOTIFY_DONE; | |
6f497930 IS |
2267 | |
2268 | err_addr_alloc: | |
2269 | kfree(switchdev_work); | |
2270 | return NOTIFY_BAD; | |
af061378 AS |
2271 | } |
2272 | ||
2273 | static struct notifier_block mlxsw_sp_switchdev_notifier = { | |
2274 | .notifier_call = mlxsw_sp_switchdev_event, | |
2275 | }; | |
2276 | ||
56ade8fe JP |
2277 | static int mlxsw_sp_fdb_init(struct mlxsw_sp *mlxsw_sp) |
2278 | { | |
5f6935c6 | 2279 | struct mlxsw_sp_bridge *bridge = mlxsw_sp->bridge; |
56ade8fe JP |
2280 | int err; |
2281 | ||
2282 | err = mlxsw_sp_ageing_set(mlxsw_sp, MLXSW_SP_DEFAULT_AGEING_TIME); | |
2283 | if (err) { | |
2284 | dev_err(mlxsw_sp->bus_info->dev, "Failed to set default ageing time\n"); | |
2285 | return err; | |
2286 | } | |
af061378 AS |
2287 | |
2288 | err = register_switchdev_notifier(&mlxsw_sp_switchdev_notifier); | |
2289 | if (err) { | |
2290 | dev_err(mlxsw_sp->bus_info->dev, "Failed to register switchdev notifier\n"); | |
2291 | return err; | |
2292 | } | |
2293 | ||
5f6935c6 IS |
2294 | INIT_DELAYED_WORK(&bridge->fdb_notify.dw, mlxsw_sp_fdb_notify_work); |
2295 | bridge->fdb_notify.interval = MLXSW_SP_DEFAULT_LEARNING_INTERVAL; | |
56ade8fe JP |
2296 | mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp); |
2297 | return 0; | |
2298 | } | |
2299 | ||
2300 | static void mlxsw_sp_fdb_fini(struct mlxsw_sp *mlxsw_sp) | |
2301 | { | |
5f6935c6 | 2302 | cancel_delayed_work_sync(&mlxsw_sp->bridge->fdb_notify.dw); |
af061378 AS |
2303 | unregister_switchdev_notifier(&mlxsw_sp_switchdev_notifier); |
2304 | ||
56ade8fe JP |
2305 | } |
2306 | ||
56ade8fe JP |
2307 | int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp) |
2308 | { | |
5f6935c6 IS |
2309 | struct mlxsw_sp_bridge *bridge; |
2310 | ||
2311 | bridge = kzalloc(sizeof(*mlxsw_sp->bridge), GFP_KERNEL); | |
2312 | if (!bridge) | |
2313 | return -ENOMEM; | |
2314 | mlxsw_sp->bridge = bridge; | |
2315 | bridge->mlxsw_sp = mlxsw_sp; | |
2316 | ||
c57529e1 | 2317 | INIT_LIST_HEAD(&mlxsw_sp->bridge->bridges_list); |
5f6935c6 | 2318 | |
c57529e1 IS |
2319 | bridge->bridge_8021q_ops = &mlxsw_sp_bridge_8021q_ops; |
2320 | bridge->bridge_8021d_ops = &mlxsw_sp_bridge_8021d_ops; | |
2321 | ||
56ade8fe JP |
2322 | return mlxsw_sp_fdb_init(mlxsw_sp); |
2323 | } | |
2324 | ||
2325 | void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp) | |
2326 | { | |
2327 | mlxsw_sp_fdb_fini(mlxsw_sp); | |
c57529e1 | 2328 | WARN_ON(!list_empty(&mlxsw_sp->bridge->bridges_list)); |
5f6935c6 | 2329 | kfree(mlxsw_sp->bridge); |
56ade8fe JP |
2330 | } |
2331 | ||
56ade8fe JP |
2332 | void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port) |
2333 | { | |
2334 | mlxsw_sp_port->dev->switchdev_ops = &mlxsw_sp_port_switchdev_ops; | |
2335 | } | |
2336 | ||
2337 | void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port) | |
2338 | { | |
2339 | } |