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56ade8fe JP |
1 | /* |
2 | * drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c | |
3 | * Copyright (c) 2015 Mellanox Technologies. All rights reserved. | |
4 | * Copyright (c) 2015 Jiri Pirko <jiri@mellanox.com> | |
5 | * Copyright (c) 2015 Ido Schimmel <idosch@mellanox.com> | |
6 | * Copyright (c) 2015 Elad Raz <eladr@mellanox.com> | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions are met: | |
10 | * | |
11 | * 1. Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * 2. Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in the | |
15 | * documentation and/or other materials provided with the distribution. | |
16 | * 3. Neither the names of the copyright holders nor the names of its | |
17 | * contributors may be used to endorse or promote products derived from | |
18 | * this software without specific prior written permission. | |
19 | * | |
20 | * Alternatively, this software may be distributed under the terms of the | |
21 | * GNU General Public License ("GPL") version 2 as published by the Free | |
22 | * Software Foundation. | |
23 | * | |
24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
25 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
28 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
29 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
30 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
31 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
32 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
33 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
34 | * POSSIBILITY OF SUCH DAMAGE. | |
35 | */ | |
36 | ||
37 | #include <linux/kernel.h> | |
38 | #include <linux/types.h> | |
39 | #include <linux/netdevice.h> | |
40 | #include <linux/etherdevice.h> | |
41 | #include <linux/slab.h> | |
42 | #include <linux/device.h> | |
43 | #include <linux/skbuff.h> | |
44 | #include <linux/if_vlan.h> | |
45 | #include <linux/if_bridge.h> | |
46 | #include <linux/workqueue.h> | |
47 | #include <linux/jiffies.h> | |
4f2c6ae5 | 48 | #include <linux/rtnetlink.h> |
56ade8fe JP |
49 | #include <net/switchdev.h> |
50 | ||
51 | #include "spectrum.h" | |
52 | #include "core.h" | |
53 | #include "reg.h" | |
54 | ||
c57529e1 IS |
55 | struct mlxsw_sp_bridge_ops; |
56 | ||
5f6935c6 IS |
57 | struct mlxsw_sp_bridge { |
58 | struct mlxsw_sp *mlxsw_sp; | |
59 | struct { | |
60 | struct delayed_work dw; | |
61 | #define MLXSW_SP_DEFAULT_LEARNING_INTERVAL 100 | |
62 | unsigned int interval; /* ms */ | |
63 | } fdb_notify; | |
64 | #define MLXSW_SP_MIN_AGEING_TIME 10 | |
65 | #define MLXSW_SP_MAX_AGEING_TIME 1000000 | |
66 | #define MLXSW_SP_DEFAULT_AGEING_TIME 300 | |
67 | u32 ageing_time; | |
c57529e1 IS |
68 | bool vlan_enabled_exists; |
69 | struct list_head bridges_list; | |
5f6935c6 IS |
70 | struct list_head mids_list; |
71 | DECLARE_BITMAP(mids_bitmap, MLXSW_SP_MID_MAX); | |
c57529e1 IS |
72 | const struct mlxsw_sp_bridge_ops *bridge_8021q_ops; |
73 | const struct mlxsw_sp_bridge_ops *bridge_8021d_ops; | |
74 | }; | |
75 | ||
76 | struct mlxsw_sp_bridge_device { | |
77 | struct net_device *dev; | |
78 | struct list_head list; | |
79 | struct list_head ports_list; | |
80 | u8 vlan_enabled:1, | |
81 | multicast_enabled:1; | |
82 | const struct mlxsw_sp_bridge_ops *ops; | |
83 | }; | |
84 | ||
85 | struct mlxsw_sp_bridge_port { | |
86 | struct net_device *dev; | |
87 | struct mlxsw_sp_bridge_device *bridge_device; | |
88 | struct list_head list; | |
89 | struct list_head vlans_list; | |
90 | unsigned int ref_count; | |
91 | u8 stp_state; | |
92 | unsigned long flags; | |
93 | bool mrouter; | |
94 | bool lagged; | |
95 | union { | |
96 | u16 lag_id; | |
97 | u16 system_port; | |
98 | }; | |
99 | }; | |
100 | ||
101 | struct mlxsw_sp_bridge_vlan { | |
102 | struct list_head list; | |
103 | struct list_head port_vlan_list; | |
104 | u16 vid; | |
105 | u8 egress_untagged:1, | |
106 | pvid:1; | |
5f6935c6 IS |
107 | }; |
108 | ||
c57529e1 IS |
109 | struct mlxsw_sp_bridge_ops { |
110 | int (*port_join)(struct mlxsw_sp_bridge_device *bridge_device, | |
111 | struct mlxsw_sp_bridge_port *bridge_port, | |
112 | struct mlxsw_sp_port *mlxsw_sp_port); | |
113 | void (*port_leave)(struct mlxsw_sp_bridge_device *bridge_device, | |
114 | struct mlxsw_sp_bridge_port *bridge_port, | |
115 | struct mlxsw_sp_port *mlxsw_sp_port); | |
a1107487 IS |
116 | struct mlxsw_sp_fid * |
117 | (*fid_get)(struct mlxsw_sp_bridge_device *bridge_device, | |
118 | u16 vid); | |
c57529e1 IS |
119 | }; |
120 | ||
121 | static int | |
122 | mlxsw_sp_bridge_port_fdb_flush(struct mlxsw_sp *mlxsw_sp, | |
123 | struct mlxsw_sp_bridge_port *bridge_port, | |
124 | u16 fid_index); | |
125 | ||
126 | static struct mlxsw_sp_bridge_device * | |
127 | mlxsw_sp_bridge_device_find(const struct mlxsw_sp_bridge *bridge, | |
128 | const struct net_device *br_dev) | |
5f6935c6 | 129 | { |
c57529e1 IS |
130 | struct mlxsw_sp_bridge_device *bridge_device; |
131 | ||
132 | list_for_each_entry(bridge_device, &bridge->bridges_list, list) | |
133 | if (bridge_device->dev == br_dev) | |
134 | return bridge_device; | |
135 | ||
136 | return NULL; | |
5f6935c6 IS |
137 | } |
138 | ||
c57529e1 IS |
139 | static struct mlxsw_sp_bridge_device * |
140 | mlxsw_sp_bridge_device_create(struct mlxsw_sp_bridge *bridge, | |
141 | struct net_device *br_dev) | |
e4b6f693 | 142 | { |
c57529e1 IS |
143 | struct device *dev = bridge->mlxsw_sp->bus_info->dev; |
144 | struct mlxsw_sp_bridge_device *bridge_device; | |
145 | bool vlan_enabled = br_vlan_enabled(br_dev); | |
e4b6f693 | 146 | |
c57529e1 IS |
147 | if (vlan_enabled && bridge->vlan_enabled_exists) { |
148 | dev_err(dev, "Only one VLAN-aware bridge is supported\n"); | |
149 | return ERR_PTR(-EINVAL); | |
150 | } | |
e4b6f693 | 151 | |
c57529e1 IS |
152 | bridge_device = kzalloc(sizeof(*bridge_device), GFP_KERNEL); |
153 | if (!bridge_device) | |
154 | return ERR_PTR(-ENOMEM); | |
155 | ||
156 | bridge_device->dev = br_dev; | |
157 | bridge_device->vlan_enabled = vlan_enabled; | |
158 | bridge_device->multicast_enabled = br_multicast_enabled(br_dev); | |
159 | INIT_LIST_HEAD(&bridge_device->ports_list); | |
160 | if (vlan_enabled) { | |
161 | bridge->vlan_enabled_exists = true; | |
162 | bridge_device->ops = bridge->bridge_8021q_ops; | |
163 | } else { | |
164 | bridge_device->ops = bridge->bridge_8021d_ops; | |
165 | } | |
166 | list_add(&bridge_device->list, &bridge->bridges_list); | |
e4b6f693 | 167 | |
c57529e1 | 168 | return bridge_device; |
e4b6f693 ER |
169 | } |
170 | ||
c57529e1 IS |
171 | static void |
172 | mlxsw_sp_bridge_device_destroy(struct mlxsw_sp_bridge *bridge, | |
173 | struct mlxsw_sp_bridge_device *bridge_device) | |
54a73201 | 174 | { |
c57529e1 IS |
175 | list_del(&bridge_device->list); |
176 | if (bridge_device->vlan_enabled) | |
177 | bridge->vlan_enabled_exists = false; | |
178 | WARN_ON(!list_empty(&bridge_device->ports_list)); | |
179 | kfree(bridge_device); | |
180 | } | |
54a73201 | 181 | |
c57529e1 IS |
182 | static struct mlxsw_sp_bridge_device * |
183 | mlxsw_sp_bridge_device_get(struct mlxsw_sp_bridge *bridge, | |
184 | struct net_device *br_dev) | |
185 | { | |
186 | struct mlxsw_sp_bridge_device *bridge_device; | |
187 | ||
188 | bridge_device = mlxsw_sp_bridge_device_find(bridge, br_dev); | |
189 | if (bridge_device) | |
190 | return bridge_device; | |
191 | ||
192 | return mlxsw_sp_bridge_device_create(bridge, br_dev); | |
193 | } | |
194 | ||
195 | static void | |
196 | mlxsw_sp_bridge_device_put(struct mlxsw_sp_bridge *bridge, | |
197 | struct mlxsw_sp_bridge_device *bridge_device) | |
198 | { | |
199 | if (list_empty(&bridge_device->ports_list)) | |
200 | mlxsw_sp_bridge_device_destroy(bridge, bridge_device); | |
201 | } | |
202 | ||
203 | static struct mlxsw_sp_bridge_port * | |
204 | __mlxsw_sp_bridge_port_find(const struct mlxsw_sp_bridge_device *bridge_device, | |
205 | const struct net_device *brport_dev) | |
206 | { | |
207 | struct mlxsw_sp_bridge_port *bridge_port; | |
208 | ||
209 | list_for_each_entry(bridge_port, &bridge_device->ports_list, list) { | |
210 | if (bridge_port->dev == brport_dev) | |
211 | return bridge_port; | |
212 | } | |
213 | ||
214 | return NULL; | |
215 | } | |
216 | ||
217 | static struct mlxsw_sp_bridge_port * | |
218 | mlxsw_sp_bridge_port_find(struct mlxsw_sp_bridge *bridge, | |
219 | struct net_device *brport_dev) | |
220 | { | |
221 | struct net_device *br_dev = netdev_master_upper_dev_get(brport_dev); | |
222 | struct mlxsw_sp_bridge_device *bridge_device; | |
223 | ||
224 | if (!br_dev) | |
225 | return NULL; | |
226 | ||
227 | bridge_device = mlxsw_sp_bridge_device_find(bridge, br_dev); | |
228 | if (!bridge_device) | |
229 | return NULL; | |
230 | ||
231 | return __mlxsw_sp_bridge_port_find(bridge_device, brport_dev); | |
232 | } | |
233 | ||
234 | static struct mlxsw_sp_bridge_port * | |
235 | mlxsw_sp_bridge_port_create(struct mlxsw_sp_bridge_device *bridge_device, | |
236 | struct net_device *brport_dev) | |
237 | { | |
238 | struct mlxsw_sp_bridge_port *bridge_port; | |
239 | struct mlxsw_sp_port *mlxsw_sp_port; | |
240 | ||
241 | bridge_port = kzalloc(sizeof(*bridge_port), GFP_KERNEL); | |
242 | if (!bridge_port) | |
243 | return NULL; | |
244 | ||
245 | mlxsw_sp_port = mlxsw_sp_port_dev_lower_find(brport_dev); | |
246 | bridge_port->lagged = mlxsw_sp_port->lagged; | |
247 | if (bridge_port->lagged) | |
248 | bridge_port->lag_id = mlxsw_sp_port->lag_id; | |
249 | else | |
250 | bridge_port->system_port = mlxsw_sp_port->local_port; | |
251 | bridge_port->dev = brport_dev; | |
252 | bridge_port->bridge_device = bridge_device; | |
253 | bridge_port->stp_state = BR_STATE_DISABLED; | |
254 | bridge_port->flags = BR_LEARNING | BR_FLOOD | BR_LEARNING_SYNC; | |
255 | INIT_LIST_HEAD(&bridge_port->vlans_list); | |
256 | list_add(&bridge_port->list, &bridge_device->ports_list); | |
257 | bridge_port->ref_count = 1; | |
258 | ||
259 | return bridge_port; | |
260 | } | |
261 | ||
262 | static void | |
263 | mlxsw_sp_bridge_port_destroy(struct mlxsw_sp_bridge_port *bridge_port) | |
264 | { | |
265 | list_del(&bridge_port->list); | |
266 | WARN_ON(!list_empty(&bridge_port->vlans_list)); | |
267 | kfree(bridge_port); | |
268 | } | |
269 | ||
270 | static bool | |
271 | mlxsw_sp_bridge_port_should_destroy(const struct mlxsw_sp_bridge_port * | |
272 | bridge_port) | |
273 | { | |
274 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(bridge_port->dev); | |
275 | ||
276 | /* In case ports were pulled from out of a bridged LAG, then | |
277 | * it's possible the reference count isn't zero, yet the bridge | |
278 | * port should be destroyed, as it's no longer an upper of ours. | |
279 | */ | |
280 | if (!mlxsw_sp && list_empty(&bridge_port->vlans_list)) | |
281 | return true; | |
282 | else if (bridge_port->ref_count == 0) | |
283 | return true; | |
284 | else | |
285 | return false; | |
286 | } | |
287 | ||
288 | static struct mlxsw_sp_bridge_port * | |
289 | mlxsw_sp_bridge_port_get(struct mlxsw_sp_bridge *bridge, | |
290 | struct net_device *brport_dev) | |
291 | { | |
292 | struct net_device *br_dev = netdev_master_upper_dev_get(brport_dev); | |
293 | struct mlxsw_sp_bridge_device *bridge_device; | |
294 | struct mlxsw_sp_bridge_port *bridge_port; | |
295 | int err; | |
296 | ||
297 | bridge_port = mlxsw_sp_bridge_port_find(bridge, brport_dev); | |
298 | if (bridge_port) { | |
299 | bridge_port->ref_count++; | |
300 | return bridge_port; | |
301 | } | |
302 | ||
303 | bridge_device = mlxsw_sp_bridge_device_get(bridge, br_dev); | |
304 | if (IS_ERR(bridge_device)) | |
305 | return ERR_CAST(bridge_device); | |
306 | ||
307 | bridge_port = mlxsw_sp_bridge_port_create(bridge_device, brport_dev); | |
308 | if (!bridge_port) { | |
309 | err = -ENOMEM; | |
310 | goto err_bridge_port_create; | |
311 | } | |
312 | ||
313 | return bridge_port; | |
314 | ||
315 | err_bridge_port_create: | |
316 | mlxsw_sp_bridge_device_put(bridge, bridge_device); | |
317 | return ERR_PTR(err); | |
318 | } | |
319 | ||
320 | static void mlxsw_sp_bridge_port_put(struct mlxsw_sp_bridge *bridge, | |
321 | struct mlxsw_sp_bridge_port *bridge_port) | |
322 | { | |
323 | struct mlxsw_sp_bridge_device *bridge_device; | |
324 | ||
325 | bridge_port->ref_count--; | |
326 | if (!mlxsw_sp_bridge_port_should_destroy(bridge_port)) | |
327 | return; | |
328 | bridge_device = bridge_port->bridge_device; | |
329 | mlxsw_sp_bridge_port_destroy(bridge_port); | |
330 | mlxsw_sp_bridge_device_put(bridge, bridge_device); | |
331 | } | |
332 | ||
333 | static struct mlxsw_sp_port_vlan * | |
334 | mlxsw_sp_port_vlan_find_by_bridge(struct mlxsw_sp_port *mlxsw_sp_port, | |
335 | const struct mlxsw_sp_bridge_device * | |
336 | bridge_device, | |
337 | u16 vid) | |
338 | { | |
339 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
340 | ||
341 | list_for_each_entry(mlxsw_sp_port_vlan, &mlxsw_sp_port->vlans_list, | |
342 | list) { | |
343 | if (!mlxsw_sp_port_vlan->bridge_port) | |
344 | continue; | |
345 | if (mlxsw_sp_port_vlan->bridge_port->bridge_device != | |
346 | bridge_device) | |
347 | continue; | |
348 | if (bridge_device->vlan_enabled && | |
349 | mlxsw_sp_port_vlan->vid != vid) | |
350 | continue; | |
351 | return mlxsw_sp_port_vlan; | |
1e5d9432 NF |
352 | } |
353 | ||
c57529e1 IS |
354 | return NULL; |
355 | } | |
356 | ||
357 | static struct mlxsw_sp_port_vlan* | |
358 | mlxsw_sp_port_vlan_find_by_fid(struct mlxsw_sp_port *mlxsw_sp_port, | |
359 | u16 fid_index) | |
360 | { | |
361 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
362 | ||
363 | list_for_each_entry(mlxsw_sp_port_vlan, &mlxsw_sp_port->vlans_list, | |
364 | list) { | |
365 | struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid; | |
366 | ||
a1107487 | 367 | if (fid && mlxsw_sp_fid_index(fid) == fid_index) |
c57529e1 IS |
368 | return mlxsw_sp_port_vlan; |
369 | } | |
370 | ||
371 | return NULL; | |
372 | } | |
373 | ||
374 | static struct mlxsw_sp_bridge_vlan * | |
375 | mlxsw_sp_bridge_vlan_find(const struct mlxsw_sp_bridge_port *bridge_port, | |
376 | u16 vid) | |
377 | { | |
378 | struct mlxsw_sp_bridge_vlan *bridge_vlan; | |
379 | ||
380 | list_for_each_entry(bridge_vlan, &bridge_port->vlans_list, list) { | |
381 | if (bridge_vlan->vid == vid) | |
382 | return bridge_vlan; | |
383 | } | |
384 | ||
385 | return NULL; | |
386 | } | |
387 | ||
388 | static struct mlxsw_sp_bridge_vlan * | |
389 | mlxsw_sp_bridge_vlan_create(struct mlxsw_sp_bridge_port *bridge_port, u16 vid) | |
390 | { | |
391 | struct mlxsw_sp_bridge_vlan *bridge_vlan; | |
392 | ||
393 | bridge_vlan = kzalloc(sizeof(*bridge_vlan), GFP_KERNEL); | |
394 | if (!bridge_vlan) | |
395 | return NULL; | |
396 | ||
397 | INIT_LIST_HEAD(&bridge_vlan->port_vlan_list); | |
398 | bridge_vlan->vid = vid; | |
399 | list_add(&bridge_vlan->list, &bridge_port->vlans_list); | |
54a73201 | 400 | |
c57529e1 IS |
401 | return bridge_vlan; |
402 | } | |
403 | ||
404 | static void | |
405 | mlxsw_sp_bridge_vlan_destroy(struct mlxsw_sp_bridge_vlan *bridge_vlan) | |
406 | { | |
407 | list_del(&bridge_vlan->list); | |
408 | WARN_ON(!list_empty(&bridge_vlan->port_vlan_list)); | |
409 | kfree(bridge_vlan); | |
410 | } | |
411 | ||
412 | static struct mlxsw_sp_bridge_vlan * | |
413 | mlxsw_sp_bridge_vlan_get(struct mlxsw_sp_bridge_port *bridge_port, u16 vid) | |
414 | { | |
415 | struct mlxsw_sp_bridge_vlan *bridge_vlan; | |
416 | ||
417 | bridge_vlan = mlxsw_sp_bridge_vlan_find(bridge_port, vid); | |
418 | if (bridge_vlan) | |
419 | return bridge_vlan; | |
54a73201 | 420 | |
c57529e1 IS |
421 | return mlxsw_sp_bridge_vlan_create(bridge_port, vid); |
422 | } | |
423 | ||
424 | static void mlxsw_sp_bridge_vlan_put(struct mlxsw_sp_bridge_vlan *bridge_vlan) | |
425 | { | |
426 | if (list_empty(&bridge_vlan->port_vlan_list)) | |
427 | mlxsw_sp_bridge_vlan_destroy(bridge_vlan); | |
428 | } | |
429 | ||
430 | static void mlxsw_sp_port_bridge_flags_get(struct mlxsw_sp_bridge *bridge, | |
431 | struct net_device *dev, | |
432 | unsigned long *brport_flags) | |
433 | { | |
434 | struct mlxsw_sp_bridge_port *bridge_port; | |
435 | ||
436 | bridge_port = mlxsw_sp_bridge_port_find(bridge, dev); | |
437 | if (WARN_ON(!bridge_port)) | |
438 | return; | |
439 | ||
440 | memcpy(brport_flags, &bridge_port->flags, sizeof(*brport_flags)); | |
54a73201 IS |
441 | } |
442 | ||
56ade8fe JP |
443 | static int mlxsw_sp_port_attr_get(struct net_device *dev, |
444 | struct switchdev_attr *attr) | |
445 | { | |
446 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
447 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
448 | ||
449 | switch (attr->id) { | |
450 | case SWITCHDEV_ATTR_ID_PORT_PARENT_ID: | |
451 | attr->u.ppid.id_len = sizeof(mlxsw_sp->base_mac); | |
452 | memcpy(&attr->u.ppid.id, &mlxsw_sp->base_mac, | |
453 | attr->u.ppid.id_len); | |
454 | break; | |
455 | case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS: | |
c57529e1 IS |
456 | mlxsw_sp_port_bridge_flags_get(mlxsw_sp->bridge, attr->orig_dev, |
457 | &attr->u.brport_flags); | |
56ade8fe JP |
458 | break; |
459 | default: | |
460 | return -EOPNOTSUPP; | |
461 | } | |
462 | ||
463 | return 0; | |
464 | } | |
465 | ||
c57529e1 IS |
466 | static int |
467 | mlxsw_sp_port_bridge_vlan_stp_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
468 | struct mlxsw_sp_bridge_vlan *bridge_vlan, | |
469 | u8 state) | |
470 | { | |
471 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
472 | ||
473 | list_for_each_entry(mlxsw_sp_port_vlan, &bridge_vlan->port_vlan_list, | |
474 | bridge_vlan_node) { | |
475 | if (mlxsw_sp_port_vlan->mlxsw_sp_port != mlxsw_sp_port) | |
476 | continue; | |
477 | return mlxsw_sp_port_vid_stp_set(mlxsw_sp_port, | |
478 | bridge_vlan->vid, state); | |
479 | } | |
480 | ||
481 | return 0; | |
482 | } | |
483 | ||
45bfe6b4 IS |
484 | static int mlxsw_sp_port_attr_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port, |
485 | struct switchdev_trans *trans, | |
c57529e1 | 486 | struct net_device *orig_dev, |
45bfe6b4 | 487 | u8 state) |
56ade8fe | 488 | { |
c57529e1 IS |
489 | struct mlxsw_sp_bridge_port *bridge_port; |
490 | struct mlxsw_sp_bridge_vlan *bridge_vlan; | |
56ade8fe JP |
491 | int err; |
492 | ||
45bfe6b4 IS |
493 | if (switchdev_trans_ph_prepare(trans)) |
494 | return 0; | |
54a73201 | 495 | |
c57529e1 IS |
496 | /* It's possible we failed to enslave the port, yet this |
497 | * operation is executed due to it being deferred. | |
498 | */ | |
499 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge, | |
500 | orig_dev); | |
501 | if (!bridge_port) | |
56ade8fe JP |
502 | return 0; |
503 | ||
c57529e1 IS |
504 | list_for_each_entry(bridge_vlan, &bridge_port->vlans_list, list) { |
505 | err = mlxsw_sp_port_bridge_vlan_stp_set(mlxsw_sp_port, | |
506 | bridge_vlan, state); | |
45bfe6b4 | 507 | if (err) |
c57529e1 | 508 | goto err_port_bridge_vlan_stp_set; |
45bfe6b4 | 509 | } |
c57529e1 IS |
510 | |
511 | bridge_port->stp_state = state; | |
45bfe6b4 IS |
512 | |
513 | return 0; | |
c57529e1 IS |
514 | |
515 | err_port_bridge_vlan_stp_set: | |
516 | list_for_each_entry_continue_reverse(bridge_vlan, | |
517 | &bridge_port->vlans_list, list) | |
518 | mlxsw_sp_port_bridge_vlan_stp_set(mlxsw_sp_port, bridge_vlan, | |
519 | bridge_port->stp_state); | |
520 | return err; | |
56ade8fe JP |
521 | } |
522 | ||
c57529e1 IS |
523 | static int |
524 | mlxsw_sp_port_bridge_vlan_flood_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
525 | struct mlxsw_sp_bridge_vlan *bridge_vlan, | |
a1107487 | 526 | enum mlxsw_sp_flood_type packet_type, |
c57529e1 | 527 | bool member) |
eaa7df3c | 528 | { |
c57529e1 | 529 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; |
0293038e | 530 | |
c57529e1 IS |
531 | list_for_each_entry(mlxsw_sp_port_vlan, &bridge_vlan->port_vlan_list, |
532 | bridge_vlan_node) { | |
533 | if (mlxsw_sp_port_vlan->mlxsw_sp_port != mlxsw_sp_port) | |
534 | continue; | |
a1107487 IS |
535 | return mlxsw_sp_fid_flood_set(mlxsw_sp_port_vlan->fid, |
536 | packet_type, | |
537 | mlxsw_sp_port->local_port, | |
538 | member); | |
c57529e1 | 539 | } |
aad8b6ba | 540 | |
eaa7df3c | 541 | return 0; |
0293038e IS |
542 | } |
543 | ||
c57529e1 IS |
544 | static int |
545 | mlxsw_sp_bridge_port_flood_table_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
546 | struct mlxsw_sp_bridge_port *bridge_port, | |
a1107487 | 547 | enum mlxsw_sp_flood_type packet_type, |
c57529e1 | 548 | bool member) |
0293038e | 549 | { |
c57529e1 | 550 | struct mlxsw_sp_bridge_vlan *bridge_vlan; |
0293038e IS |
551 | int err; |
552 | ||
c57529e1 IS |
553 | list_for_each_entry(bridge_vlan, &bridge_port->vlans_list, list) { |
554 | err = mlxsw_sp_port_bridge_vlan_flood_set(mlxsw_sp_port, | |
a1107487 IS |
555 | bridge_vlan, |
556 | packet_type, | |
c57529e1 IS |
557 | member); |
558 | if (err) | |
559 | goto err_port_bridge_vlan_flood_set; | |
0293038e IS |
560 | } |
561 | ||
562 | return 0; | |
563 | ||
c57529e1 IS |
564 | err_port_bridge_vlan_flood_set: |
565 | list_for_each_entry_continue_reverse(bridge_vlan, | |
566 | &bridge_port->vlans_list, list) | |
567 | mlxsw_sp_port_bridge_vlan_flood_set(mlxsw_sp_port, bridge_vlan, | |
a1107487 | 568 | packet_type, !member); |
0293038e IS |
569 | return err; |
570 | } | |
571 | ||
c57529e1 IS |
572 | static int |
573 | mlxsw_sp_port_bridge_vlan_learning_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
574 | struct mlxsw_sp_bridge_vlan *bridge_vlan, | |
575 | bool set) | |
90e0f0c1 | 576 | { |
c57529e1 IS |
577 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; |
578 | u16 vid = bridge_vlan->vid; | |
90e0f0c1 | 579 | |
c57529e1 IS |
580 | list_for_each_entry(mlxsw_sp_port_vlan, &bridge_vlan->port_vlan_list, |
581 | bridge_vlan_node) { | |
582 | if (mlxsw_sp_port_vlan->mlxsw_sp_port != mlxsw_sp_port) | |
583 | continue; | |
584 | return mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, set); | |
90e0f0c1 NF |
585 | } |
586 | ||
c57529e1 | 587 | return 0; |
7f71eb46 IS |
588 | } |
589 | ||
c57529e1 IS |
590 | static int |
591 | mlxsw_sp_bridge_port_learning_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
592 | struct mlxsw_sp_bridge_port *bridge_port, | |
593 | bool set) | |
89b548f0 | 594 | { |
c57529e1 | 595 | struct mlxsw_sp_bridge_vlan *bridge_vlan; |
89b548f0 IS |
596 | int err; |
597 | ||
c57529e1 IS |
598 | list_for_each_entry(bridge_vlan, &bridge_port->vlans_list, list) { |
599 | err = mlxsw_sp_port_bridge_vlan_learning_set(mlxsw_sp_port, | |
600 | bridge_vlan, set); | |
89b548f0 | 601 | if (err) |
c57529e1 | 602 | goto err_port_bridge_vlan_learning_set; |
89b548f0 IS |
603 | } |
604 | ||
605 | return 0; | |
606 | ||
c57529e1 IS |
607 | err_port_bridge_vlan_learning_set: |
608 | list_for_each_entry_continue_reverse(bridge_vlan, | |
609 | &bridge_port->vlans_list, list) | |
610 | mlxsw_sp_port_bridge_vlan_learning_set(mlxsw_sp_port, | |
611 | bridge_vlan, !set); | |
89b548f0 IS |
612 | return err; |
613 | } | |
614 | ||
56ade8fe JP |
615 | static int mlxsw_sp_port_attr_br_flags_set(struct mlxsw_sp_port *mlxsw_sp_port, |
616 | struct switchdev_trans *trans, | |
c57529e1 | 617 | struct net_device *orig_dev, |
56ade8fe JP |
618 | unsigned long brport_flags) |
619 | { | |
c57529e1 | 620 | struct mlxsw_sp_bridge_port *bridge_port; |
0293038e IS |
621 | int err; |
622 | ||
56ade8fe JP |
623 | if (switchdev_trans_ph_prepare(trans)) |
624 | return 0; | |
625 | ||
c57529e1 IS |
626 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge, |
627 | orig_dev); | |
628 | if (WARN_ON(!bridge_port)) | |
629 | return -EINVAL; | |
0293038e | 630 | |
c57529e1 | 631 | err = mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port, bridge_port, |
a1107487 | 632 | MLXSW_SP_FLOOD_TYPE_UC, |
c57529e1 IS |
633 | brport_flags & BR_FLOOD); |
634 | if (err) | |
635 | return err; | |
89b548f0 | 636 | |
c57529e1 IS |
637 | err = mlxsw_sp_bridge_port_learning_set(mlxsw_sp_port, bridge_port, |
638 | brport_flags & BR_LEARNING); | |
639 | if (err) | |
640 | return err; | |
0293038e | 641 | |
c57529e1 | 642 | memcpy(&bridge_port->flags, &brport_flags, sizeof(brport_flags)); |
89b548f0 | 643 | |
c57529e1 | 644 | return 0; |
56ade8fe JP |
645 | } |
646 | ||
647 | static int mlxsw_sp_ageing_set(struct mlxsw_sp *mlxsw_sp, u32 ageing_time) | |
648 | { | |
649 | char sfdat_pl[MLXSW_REG_SFDAT_LEN]; | |
650 | int err; | |
651 | ||
652 | mlxsw_reg_sfdat_pack(sfdat_pl, ageing_time); | |
653 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdat), sfdat_pl); | |
654 | if (err) | |
655 | return err; | |
5f6935c6 | 656 | mlxsw_sp->bridge->ageing_time = ageing_time; |
56ade8fe JP |
657 | return 0; |
658 | } | |
659 | ||
660 | static int mlxsw_sp_port_attr_br_ageing_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
661 | struct switchdev_trans *trans, | |
135f9ece | 662 | unsigned long ageing_clock_t) |
56ade8fe JP |
663 | { |
664 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
135f9ece | 665 | unsigned long ageing_jiffies = clock_t_to_jiffies(ageing_clock_t); |
56ade8fe JP |
666 | u32 ageing_time = jiffies_to_msecs(ageing_jiffies) / 1000; |
667 | ||
869f63a4 IS |
668 | if (switchdev_trans_ph_prepare(trans)) { |
669 | if (ageing_time < MLXSW_SP_MIN_AGEING_TIME || | |
670 | ageing_time > MLXSW_SP_MAX_AGEING_TIME) | |
671 | return -ERANGE; | |
672 | else | |
673 | return 0; | |
674 | } | |
56ade8fe JP |
675 | |
676 | return mlxsw_sp_ageing_set(mlxsw_sp, ageing_time); | |
677 | } | |
678 | ||
26a4ea0f ER |
679 | static int mlxsw_sp_port_attr_br_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, |
680 | struct switchdev_trans *trans, | |
681 | struct net_device *orig_dev, | |
682 | bool vlan_enabled) | |
683 | { | |
684 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
c57529e1 | 685 | struct mlxsw_sp_bridge_device *bridge_device; |
26a4ea0f | 686 | |
c57529e1 IS |
687 | if (!switchdev_trans_ph_prepare(trans)) |
688 | return 0; | |
689 | ||
690 | bridge_device = mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, orig_dev); | |
691 | if (WARN_ON(!bridge_device)) | |
26a4ea0f | 692 | return -EINVAL; |
26a4ea0f | 693 | |
c57529e1 IS |
694 | if (bridge_device->vlan_enabled == vlan_enabled) |
695 | return 0; | |
696 | ||
697 | netdev_err(bridge_device->dev, "VLAN filtering can't be changed for existing bridge\n"); | |
698 | return -EINVAL; | |
26a4ea0f ER |
699 | } |
700 | ||
8ecd4591 NF |
701 | static int mlxsw_sp_port_attr_mc_router_set(struct mlxsw_sp_port *mlxsw_sp_port, |
702 | struct switchdev_trans *trans, | |
c57529e1 | 703 | struct net_device *orig_dev, |
8ecd4591 NF |
704 | bool is_port_mc_router) |
705 | { | |
c57529e1 IS |
706 | struct mlxsw_sp_bridge_port *bridge_port; |
707 | ||
708 | if (switchdev_trans_ph_prepare(trans)) | |
709 | return 0; | |
710 | ||
711 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge, | |
712 | orig_dev); | |
713 | if (WARN_ON(!bridge_port)) | |
714 | return -EINVAL; | |
715 | ||
716 | if (!bridge_port->bridge_device->multicast_enabled) | |
717 | return 0; | |
718 | ||
719 | return mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port, bridge_port, | |
a1107487 | 720 | MLXSW_SP_FLOOD_TYPE_MC, |
c57529e1 IS |
721 | is_port_mc_router); |
722 | } | |
723 | ||
724 | static int mlxsw_sp_port_mc_disabled_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
725 | struct switchdev_trans *trans, | |
726 | struct net_device *orig_dev, | |
727 | bool mc_disabled) | |
728 | { | |
729 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
730 | struct mlxsw_sp_bridge_device *bridge_device; | |
731 | struct mlxsw_sp_bridge_port *bridge_port; | |
732 | int err; | |
733 | ||
8ecd4591 NF |
734 | if (switchdev_trans_ph_prepare(trans)) |
735 | return 0; | |
736 | ||
c57529e1 IS |
737 | /* It's possible we failed to enslave the port, yet this |
738 | * operation is executed due to it being deferred. | |
739 | */ | |
740 | bridge_device = mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, orig_dev); | |
741 | if (!bridge_device) | |
742 | return 0; | |
743 | ||
744 | list_for_each_entry(bridge_port, &bridge_device->ports_list, list) { | |
a1107487 | 745 | enum mlxsw_sp_flood_type packet_type = MLXSW_SP_FLOOD_TYPE_MC; |
c57529e1 IS |
746 | bool member = mc_disabled ? true : bridge_port->mrouter; |
747 | ||
748 | err = mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port, | |
a1107487 IS |
749 | bridge_port, |
750 | packet_type, member); | |
c57529e1 IS |
751 | if (err) |
752 | return err; | |
753 | } | |
754 | ||
755 | bridge_device->multicast_enabled = !mc_disabled; | |
8ecd4591 NF |
756 | |
757 | return 0; | |
758 | } | |
759 | ||
56ade8fe JP |
760 | static int mlxsw_sp_port_attr_set(struct net_device *dev, |
761 | const struct switchdev_attr *attr, | |
762 | struct switchdev_trans *trans) | |
763 | { | |
764 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
c57529e1 | 765 | int err; |
54a73201 | 766 | |
56ade8fe JP |
767 | switch (attr->id) { |
768 | case SWITCHDEV_ATTR_ID_PORT_STP_STATE: | |
769 | err = mlxsw_sp_port_attr_stp_state_set(mlxsw_sp_port, trans, | |
c57529e1 | 770 | attr->orig_dev, |
56ade8fe JP |
771 | attr->u.stp_state); |
772 | break; | |
773 | case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS: | |
774 | err = mlxsw_sp_port_attr_br_flags_set(mlxsw_sp_port, trans, | |
c57529e1 | 775 | attr->orig_dev, |
56ade8fe JP |
776 | attr->u.brport_flags); |
777 | break; | |
778 | case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME: | |
779 | err = mlxsw_sp_port_attr_br_ageing_set(mlxsw_sp_port, trans, | |
780 | attr->u.ageing_time); | |
781 | break; | |
26a4ea0f ER |
782 | case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING: |
783 | err = mlxsw_sp_port_attr_br_vlan_set(mlxsw_sp_port, trans, | |
784 | attr->orig_dev, | |
785 | attr->u.vlan_filtering); | |
786 | break; | |
8ecd4591 NF |
787 | case SWITCHDEV_ATTR_ID_PORT_MROUTER: |
788 | err = mlxsw_sp_port_attr_mc_router_set(mlxsw_sp_port, trans, | |
c57529e1 | 789 | attr->orig_dev, |
8ecd4591 NF |
790 | attr->u.mrouter); |
791 | break; | |
90e0f0c1 NF |
792 | case SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED: |
793 | err = mlxsw_sp_port_mc_disabled_set(mlxsw_sp_port, trans, | |
c57529e1 | 794 | attr->orig_dev, |
90e0f0c1 NF |
795 | attr->u.mc_disabled); |
796 | break; | |
56ade8fe JP |
797 | default: |
798 | err = -EOPNOTSUPP; | |
799 | break; | |
800 | } | |
801 | ||
802 | return err; | |
803 | } | |
804 | ||
c57529e1 IS |
805 | static bool mlxsw_sp_mc_flood(const struct mlxsw_sp_bridge_port *bridge_port) |
806 | { | |
807 | const struct mlxsw_sp_bridge_device *bridge_device; | |
8168287b | 808 | |
c57529e1 IS |
809 | bridge_device = bridge_port->bridge_device; |
810 | return !bridge_device->multicast_enabled ? true : bridge_port->mrouter; | |
14d39461 IS |
811 | } |
812 | ||
c57529e1 IS |
813 | static int |
814 | mlxsw_sp_port_vlan_fid_join(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan, | |
815 | struct mlxsw_sp_bridge_port *bridge_port) | |
14d39461 | 816 | { |
c57529e1 | 817 | struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port; |
a1107487 IS |
818 | struct mlxsw_sp_bridge_device *bridge_device; |
819 | u8 local_port = mlxsw_sp_port->local_port; | |
c57529e1 IS |
820 | u16 vid = mlxsw_sp_port_vlan->vid; |
821 | struct mlxsw_sp_fid *fid; | |
fe9ccc78 | 822 | int err; |
14d39461 | 823 | |
a1107487 IS |
824 | bridge_device = bridge_port->bridge_device; |
825 | fid = bridge_device->ops->fid_get(bridge_device, vid); | |
c57529e1 IS |
826 | if (IS_ERR(fid)) |
827 | return PTR_ERR(fid); | |
828 | ||
a1107487 IS |
829 | err = mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_UC, local_port, |
830 | bridge_port->flags & BR_FLOOD); | |
fe9ccc78 | 831 | if (err) |
a1107487 | 832 | goto err_fid_uc_flood_set; |
14d39461 | 833 | |
a1107487 IS |
834 | err = mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_MC, local_port, |
835 | mlxsw_sp_mc_flood(bridge_port)); | |
c57529e1 | 836 | if (err) |
a1107487 | 837 | goto err_fid_mc_flood_set; |
8ecd4591 | 838 | |
a1107487 IS |
839 | err = mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_BC, local_port, |
840 | true); | |
14d39461 | 841 | if (err) |
a1107487 | 842 | goto err_fid_bc_flood_set; |
14d39461 | 843 | |
a1107487 | 844 | err = mlxsw_sp_fid_port_vid_map(fid, mlxsw_sp_port, vid); |
fe9ccc78 | 845 | if (err) |
a1107487 | 846 | goto err_fid_port_vid_map; |
c57529e1 IS |
847 | |
848 | mlxsw_sp_port_vlan->fid = fid; | |
14d39461 IS |
849 | |
850 | return 0; | |
851 | ||
a1107487 IS |
852 | err_fid_port_vid_map: |
853 | mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_BC, local_port, false); | |
854 | err_fid_bc_flood_set: | |
855 | mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_MC, local_port, false); | |
856 | err_fid_mc_flood_set: | |
857 | mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_UC, local_port, false); | |
858 | err_fid_uc_flood_set: | |
859 | mlxsw_sp_fid_put(fid); | |
14d39461 IS |
860 | return err; |
861 | } | |
862 | ||
c57529e1 IS |
863 | static void |
864 | mlxsw_sp_port_vlan_fid_leave(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan) | |
14d39461 | 865 | { |
c57529e1 | 866 | struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port; |
c57529e1 | 867 | struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid; |
a1107487 | 868 | u8 local_port = mlxsw_sp_port->local_port; |
c57529e1 IS |
869 | u16 vid = mlxsw_sp_port_vlan->vid; |
870 | ||
871 | mlxsw_sp_port_vlan->fid = NULL; | |
a1107487 IS |
872 | mlxsw_sp_fid_port_vid_unmap(fid, mlxsw_sp_port, vid); |
873 | mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_BC, local_port, false); | |
874 | mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_MC, local_port, false); | |
875 | mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_UC, local_port, false); | |
876 | mlxsw_sp_fid_put(fid); | |
14d39461 IS |
877 | } |
878 | ||
fe9ccc78 IS |
879 | static u16 |
880 | mlxsw_sp_port_pvid_determine(const struct mlxsw_sp_port *mlxsw_sp_port, | |
881 | u16 vid, bool is_pvid) | |
584d73df | 882 | { |
fe9ccc78 IS |
883 | if (is_pvid) |
884 | return vid; | |
885 | else if (mlxsw_sp_port->pvid == vid) | |
886 | return 0; /* Dis-allow untagged packets */ | |
887 | else | |
888 | return mlxsw_sp_port->pvid; | |
584d73df IS |
889 | } |
890 | ||
c57529e1 IS |
891 | static int |
892 | mlxsw_sp_port_vlan_bridge_join(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan, | |
893 | struct mlxsw_sp_bridge_port *bridge_port) | |
56ade8fe | 894 | { |
c57529e1 IS |
895 | struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port; |
896 | struct mlxsw_sp_bridge_vlan *bridge_vlan; | |
897 | u16 vid = mlxsw_sp_port_vlan->vid; | |
56ade8fe JP |
898 | int err; |
899 | ||
c57529e1 IS |
900 | /* No need to continue if only VLAN flags were changed */ |
901 | if (mlxsw_sp_port_vlan->bridge_port) | |
902 | return 0; | |
56ade8fe | 903 | |
c57529e1 | 904 | err = mlxsw_sp_port_vlan_fid_join(mlxsw_sp_port_vlan, bridge_port); |
fe9ccc78 | 905 | if (err) |
c57529e1 | 906 | return err; |
56ade8fe | 907 | |
fe9ccc78 | 908 | err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, |
c57529e1 | 909 | bridge_port->flags & BR_LEARNING); |
fe9ccc78 | 910 | if (err) |
584d73df | 911 | goto err_port_vid_learning_set; |
584d73df | 912 | |
fe9ccc78 | 913 | err = mlxsw_sp_port_vid_stp_set(mlxsw_sp_port, vid, |
c57529e1 | 914 | bridge_port->stp_state); |
fe9ccc78 IS |
915 | if (err) |
916 | goto err_port_vid_stp_set; | |
56ade8fe | 917 | |
c57529e1 IS |
918 | bridge_vlan = mlxsw_sp_bridge_vlan_get(bridge_port, vid); |
919 | if (!bridge_vlan) { | |
920 | err = -ENOMEM; | |
921 | goto err_bridge_vlan_get; | |
922 | } | |
923 | ||
924 | list_add(&mlxsw_sp_port_vlan->bridge_vlan_node, | |
925 | &bridge_vlan->port_vlan_list); | |
926 | ||
927 | mlxsw_sp_bridge_port_get(mlxsw_sp_port->mlxsw_sp->bridge, | |
928 | bridge_port->dev); | |
929 | mlxsw_sp_port_vlan->bridge_port = bridge_port; | |
b07a966c IS |
930 | |
931 | return 0; | |
932 | ||
c57529e1 IS |
933 | err_bridge_vlan_get: |
934 | mlxsw_sp_port_vid_stp_set(mlxsw_sp_port, vid, BR_STATE_DISABLED); | |
fe9ccc78 IS |
935 | err_port_vid_stp_set: |
936 | mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, false); | |
584d73df | 937 | err_port_vid_learning_set: |
c57529e1 IS |
938 | mlxsw_sp_port_vlan_fid_leave(mlxsw_sp_port_vlan); |
939 | return err; | |
940 | } | |
941 | ||
942 | void | |
943 | mlxsw_sp_port_vlan_bridge_leave(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan) | |
944 | { | |
945 | struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port; | |
946 | struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid; | |
947 | struct mlxsw_sp_bridge_vlan *bridge_vlan; | |
948 | struct mlxsw_sp_bridge_port *bridge_port; | |
949 | u16 vid = mlxsw_sp_port_vlan->vid; | |
950 | bool last; | |
951 | ||
a1107487 IS |
952 | if (WARN_ON(mlxsw_sp_fid_type(fid) != MLXSW_SP_FID_TYPE_8021Q && |
953 | mlxsw_sp_fid_type(fid) != MLXSW_SP_FID_TYPE_8021D)) | |
954 | return; | |
955 | ||
c57529e1 IS |
956 | bridge_port = mlxsw_sp_port_vlan->bridge_port; |
957 | bridge_vlan = mlxsw_sp_bridge_vlan_find(bridge_port, vid); | |
958 | last = list_is_singular(&bridge_vlan->port_vlan_list); | |
959 | ||
960 | list_del(&mlxsw_sp_port_vlan->bridge_vlan_node); | |
961 | mlxsw_sp_bridge_vlan_put(bridge_vlan); | |
962 | mlxsw_sp_port_vid_stp_set(mlxsw_sp_port, vid, BR_STATE_DISABLED); | |
963 | mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, false); | |
964 | if (last) | |
965 | mlxsw_sp_bridge_port_fdb_flush(mlxsw_sp_port->mlxsw_sp, | |
a1107487 IS |
966 | bridge_port, |
967 | mlxsw_sp_fid_index(fid)); | |
c57529e1 IS |
968 | mlxsw_sp_port_vlan_fid_leave(mlxsw_sp_port_vlan); |
969 | ||
970 | mlxsw_sp_bridge_port_put(mlxsw_sp_port->mlxsw_sp->bridge, bridge_port); | |
971 | mlxsw_sp_port_vlan->bridge_port = NULL; | |
972 | } | |
973 | ||
974 | static int | |
975 | mlxsw_sp_bridge_port_vlan_add(struct mlxsw_sp_port *mlxsw_sp_port, | |
976 | struct mlxsw_sp_bridge_port *bridge_port, | |
977 | u16 vid, bool is_untagged, bool is_pvid) | |
978 | { | |
979 | u16 pvid = mlxsw_sp_port_pvid_determine(mlxsw_sp_port, vid, is_pvid); | |
980 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
981 | struct mlxsw_sp_bridge_vlan *bridge_vlan; | |
982 | u16 old_pvid = mlxsw_sp_port->pvid; | |
983 | int err; | |
984 | ||
985 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_get(mlxsw_sp_port, vid); | |
986 | if (IS_ERR(mlxsw_sp_port_vlan)) | |
987 | return PTR_ERR(mlxsw_sp_port_vlan); | |
988 | ||
989 | err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, true, | |
990 | is_untagged); | |
991 | if (err) | |
992 | goto err_port_vlan_set; | |
993 | ||
994 | err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, pvid); | |
995 | if (err) | |
996 | goto err_port_pvid_set; | |
997 | ||
998 | err = mlxsw_sp_port_vlan_bridge_join(mlxsw_sp_port_vlan, bridge_port); | |
999 | if (err) | |
1000 | goto err_port_vlan_bridge_join; | |
1001 | ||
1002 | bridge_vlan = mlxsw_sp_bridge_vlan_find(bridge_port, vid); | |
1003 | bridge_vlan->egress_untagged = is_untagged; | |
1004 | bridge_vlan->pvid = is_pvid; | |
1005 | ||
1006 | return 0; | |
1007 | ||
1008 | err_port_vlan_bridge_join: | |
fe9ccc78 | 1009 | mlxsw_sp_port_pvid_set(mlxsw_sp_port, old_pvid); |
b07a966c | 1010 | err_port_pvid_set: |
fe9ccc78 IS |
1011 | mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false); |
1012 | err_port_vlan_set: | |
c57529e1 | 1013 | mlxsw_sp_port_vlan_put(mlxsw_sp_port_vlan); |
b07a966c | 1014 | return err; |
56ade8fe JP |
1015 | } |
1016 | ||
1017 | static int mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port, | |
1018 | const struct switchdev_obj_port_vlan *vlan, | |
1019 | struct switchdev_trans *trans) | |
1020 | { | |
e4a13055 ER |
1021 | bool flag_untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED; |
1022 | bool flag_pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID; | |
c57529e1 IS |
1023 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
1024 | struct net_device *orig_dev = vlan->obj.orig_dev; | |
1025 | struct mlxsw_sp_bridge_port *bridge_port; | |
fe9ccc78 | 1026 | u16 vid; |
56ade8fe JP |
1027 | |
1028 | if (switchdev_trans_ph_prepare(trans)) | |
1029 | return 0; | |
1030 | ||
c57529e1 IS |
1031 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); |
1032 | if (WARN_ON(!bridge_port)) | |
1033 | return -EINVAL; | |
1034 | ||
1035 | if (!bridge_port->bridge_device->vlan_enabled) | |
1036 | return 0; | |
1037 | ||
fe9ccc78 IS |
1038 | for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) { |
1039 | int err; | |
1040 | ||
c57529e1 IS |
1041 | err = mlxsw_sp_bridge_port_vlan_add(mlxsw_sp_port, bridge_port, |
1042 | vid, flag_untagged, | |
1043 | flag_pvid); | |
fe9ccc78 IS |
1044 | if (err) |
1045 | return err; | |
1046 | } | |
1047 | ||
1048 | return 0; | |
56ade8fe JP |
1049 | } |
1050 | ||
c57529e1 IS |
1051 | static enum mlxsw_reg_sfdf_flush_type mlxsw_sp_fdb_flush_type(bool lagged) |
1052 | { | |
1053 | return lagged ? MLXSW_REG_SFDF_FLUSH_PER_LAG_AND_FID : | |
1054 | MLXSW_REG_SFDF_FLUSH_PER_PORT_AND_FID; | |
1055 | } | |
1056 | ||
1057 | static int | |
1058 | mlxsw_sp_bridge_port_fdb_flush(struct mlxsw_sp *mlxsw_sp, | |
1059 | struct mlxsw_sp_bridge_port *bridge_port, | |
1060 | u16 fid_index) | |
1061 | { | |
1062 | bool lagged = bridge_port->lagged; | |
1063 | char sfdf_pl[MLXSW_REG_SFDF_LEN]; | |
1064 | u16 system_port; | |
1065 | ||
1066 | system_port = lagged ? bridge_port->lag_id : bridge_port->system_port; | |
1067 | mlxsw_reg_sfdf_pack(sfdf_pl, mlxsw_sp_fdb_flush_type(lagged)); | |
1068 | mlxsw_reg_sfdf_fid_set(sfdf_pl, fid_index); | |
1069 | mlxsw_reg_sfdf_port_fid_system_port_set(sfdf_pl, system_port); | |
1070 | ||
1071 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdf), sfdf_pl); | |
1072 | } | |
1073 | ||
8a1ab5d7 | 1074 | static enum mlxsw_reg_sfd_rec_policy mlxsw_sp_sfd_rec_policy(bool dynamic) |
56ade8fe | 1075 | { |
8a1ab5d7 JP |
1076 | return dynamic ? MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_INGRESS : |
1077 | MLXSW_REG_SFD_REC_POLICY_STATIC_ENTRY; | |
1078 | } | |
1079 | ||
1080 | static enum mlxsw_reg_sfd_op mlxsw_sp_sfd_op(bool adding) | |
1081 | { | |
1082 | return adding ? MLXSW_REG_SFD_OP_WRITE_EDIT : | |
1083 | MLXSW_REG_SFD_OP_WRITE_REMOVE; | |
1084 | } | |
1085 | ||
6e095fd4 IS |
1086 | static int __mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port, |
1087 | const char *mac, u16 fid, bool adding, | |
1088 | enum mlxsw_reg_sfd_rec_action action, | |
1089 | bool dynamic) | |
8a1ab5d7 | 1090 | { |
56ade8fe JP |
1091 | char *sfd_pl; |
1092 | int err; | |
1093 | ||
56ade8fe JP |
1094 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); |
1095 | if (!sfd_pl) | |
1096 | return -ENOMEM; | |
1097 | ||
8a1ab5d7 JP |
1098 | mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); |
1099 | mlxsw_reg_sfd_uc_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic), | |
6e095fd4 | 1100 | mac, fid, action, local_port); |
8a1ab5d7 JP |
1101 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
1102 | kfree(sfd_pl); | |
1103 | ||
1104 | return err; | |
1105 | } | |
1106 | ||
6e095fd4 IS |
1107 | static int mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port, |
1108 | const char *mac, u16 fid, bool adding, | |
1109 | bool dynamic) | |
1110 | { | |
1111 | return __mlxsw_sp_port_fdb_uc_op(mlxsw_sp, local_port, mac, fid, adding, | |
1112 | MLXSW_REG_SFD_REC_ACTION_NOP, dynamic); | |
1113 | } | |
1114 | ||
1115 | int mlxsw_sp_rif_fdb_op(struct mlxsw_sp *mlxsw_sp, const char *mac, u16 fid, | |
1116 | bool adding) | |
1117 | { | |
1118 | return __mlxsw_sp_port_fdb_uc_op(mlxsw_sp, 0, mac, fid, adding, | |
1119 | MLXSW_REG_SFD_REC_ACTION_FORWARD_IP_ROUTER, | |
1120 | false); | |
1121 | } | |
1122 | ||
8a1ab5d7 | 1123 | static int mlxsw_sp_port_fdb_uc_lag_op(struct mlxsw_sp *mlxsw_sp, u16 lag_id, |
64771e31 IS |
1124 | const char *mac, u16 fid, u16 lag_vid, |
1125 | bool adding, bool dynamic) | |
8a1ab5d7 JP |
1126 | { |
1127 | char *sfd_pl; | |
1128 | int err; | |
1129 | ||
1130 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); | |
1131 | if (!sfd_pl) | |
1132 | return -ENOMEM; | |
1133 | ||
1134 | mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); | |
1135 | mlxsw_reg_sfd_uc_lag_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic), | |
64771e31 IS |
1136 | mac, fid, MLXSW_REG_SFD_REC_ACTION_NOP, |
1137 | lag_vid, lag_id); | |
8a1ab5d7 | 1138 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
56ade8fe JP |
1139 | kfree(sfd_pl); |
1140 | ||
1141 | return err; | |
1142 | } | |
1143 | ||
1144 | static int | |
1145 | mlxsw_sp_port_fdb_static_add(struct mlxsw_sp_port *mlxsw_sp_port, | |
1146 | const struct switchdev_obj_port_fdb *fdb, | |
1147 | struct switchdev_trans *trans) | |
1148 | { | |
c57529e1 IS |
1149 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
1150 | struct net_device *orig_dev = fdb->obj.orig_dev; | |
1151 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
1152 | struct mlxsw_sp_bridge_device *bridge_device; | |
1153 | struct mlxsw_sp_bridge_port *bridge_port; | |
1154 | u16 fid_index, vid; | |
8a1ab5d7 | 1155 | |
56ade8fe JP |
1156 | if (switchdev_trans_ph_prepare(trans)) |
1157 | return 0; | |
1158 | ||
c57529e1 IS |
1159 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); |
1160 | if (WARN_ON(!bridge_port)) | |
1161 | return -EINVAL; | |
1162 | ||
1163 | bridge_device = bridge_port->bridge_device; | |
1164 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port, | |
1165 | bridge_device, | |
1166 | fdb->vid); | |
1167 | if (!mlxsw_sp_port_vlan) | |
1168 | return 0; | |
1169 | ||
a1107487 | 1170 | fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid); |
c57529e1 | 1171 | vid = mlxsw_sp_port_vlan->vid; |
54a73201 | 1172 | |
8a1ab5d7 | 1173 | if (!mlxsw_sp_port->lagged) |
c57529e1 | 1174 | return mlxsw_sp_port_fdb_uc_op(mlxsw_sp, |
2fa9d45e | 1175 | mlxsw_sp_port->local_port, |
c57529e1 IS |
1176 | fdb->addr, fid_index, true, |
1177 | false); | |
8a1ab5d7 | 1178 | else |
c57529e1 | 1179 | return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp, |
8a1ab5d7 | 1180 | mlxsw_sp_port->lag_id, |
c57529e1 | 1181 | fdb->addr, fid_index, vid, |
64771e31 | 1182 | true, false); |
56ade8fe JP |
1183 | } |
1184 | ||
3a49b4fd ER |
1185 | static int mlxsw_sp_port_mdb_op(struct mlxsw_sp *mlxsw_sp, const char *addr, |
1186 | u16 fid, u16 mid, bool adding) | |
1187 | { | |
1188 | char *sfd_pl; | |
1189 | int err; | |
1190 | ||
1191 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); | |
1192 | if (!sfd_pl) | |
1193 | return -ENOMEM; | |
1194 | ||
1195 | mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); | |
1196 | mlxsw_reg_sfd_mc_pack(sfd_pl, 0, addr, fid, | |
1197 | MLXSW_REG_SFD_REC_ACTION_NOP, mid); | |
1198 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); | |
1199 | kfree(sfd_pl); | |
1200 | return err; | |
1201 | } | |
1202 | ||
1203 | static int mlxsw_sp_port_smid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 mid, | |
1204 | bool add, bool clear_all_ports) | |
1205 | { | |
1206 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1207 | char *smid_pl; | |
1208 | int err, i; | |
1209 | ||
1210 | smid_pl = kmalloc(MLXSW_REG_SMID_LEN, GFP_KERNEL); | |
1211 | if (!smid_pl) | |
1212 | return -ENOMEM; | |
1213 | ||
1214 | mlxsw_reg_smid_pack(smid_pl, mid, mlxsw_sp_port->local_port, add); | |
1215 | if (clear_all_ports) { | |
5ec2ee7d | 1216 | for (i = 1; i < mlxsw_core_max_ports(mlxsw_sp->core); i++) |
3a49b4fd ER |
1217 | if (mlxsw_sp->ports[i]) |
1218 | mlxsw_reg_smid_port_mask_set(smid_pl, i, 1); | |
1219 | } | |
1220 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(smid), smid_pl); | |
1221 | kfree(smid_pl); | |
1222 | return err; | |
1223 | } | |
1224 | ||
1225 | static struct mlxsw_sp_mid *__mlxsw_sp_mc_get(struct mlxsw_sp *mlxsw_sp, | |
1226 | const unsigned char *addr, | |
46d0847c | 1227 | u16 fid) |
3a49b4fd ER |
1228 | { |
1229 | struct mlxsw_sp_mid *mid; | |
1230 | ||
5f6935c6 | 1231 | list_for_each_entry(mid, &mlxsw_sp->bridge->mids_list, list) { |
46d0847c | 1232 | if (ether_addr_equal(mid->addr, addr) && mid->fid == fid) |
3a49b4fd ER |
1233 | return mid; |
1234 | } | |
1235 | return NULL; | |
1236 | } | |
1237 | ||
1238 | static struct mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp, | |
1239 | const unsigned char *addr, | |
46d0847c | 1240 | u16 fid) |
3a49b4fd ER |
1241 | { |
1242 | struct mlxsw_sp_mid *mid; | |
1243 | u16 mid_idx; | |
1244 | ||
5f6935c6 | 1245 | mid_idx = find_first_zero_bit(mlxsw_sp->bridge->mids_bitmap, |
3a49b4fd ER |
1246 | MLXSW_SP_MID_MAX); |
1247 | if (mid_idx == MLXSW_SP_MID_MAX) | |
1248 | return NULL; | |
1249 | ||
1250 | mid = kzalloc(sizeof(*mid), GFP_KERNEL); | |
1251 | if (!mid) | |
1252 | return NULL; | |
1253 | ||
5f6935c6 | 1254 | set_bit(mid_idx, mlxsw_sp->bridge->mids_bitmap); |
3a49b4fd | 1255 | ether_addr_copy(mid->addr, addr); |
46d0847c | 1256 | mid->fid = fid; |
3a49b4fd ER |
1257 | mid->mid = mid_idx; |
1258 | mid->ref_count = 0; | |
5f6935c6 | 1259 | list_add_tail(&mid->list, &mlxsw_sp->bridge->mids_list); |
3a49b4fd ER |
1260 | |
1261 | return mid; | |
1262 | } | |
1263 | ||
1264 | static int __mlxsw_sp_mc_dec_ref(struct mlxsw_sp *mlxsw_sp, | |
1265 | struct mlxsw_sp_mid *mid) | |
1266 | { | |
1267 | if (--mid->ref_count == 0) { | |
1268 | list_del(&mid->list); | |
5f6935c6 | 1269 | clear_bit(mid->mid, mlxsw_sp->bridge->mids_bitmap); |
3a49b4fd ER |
1270 | kfree(mid); |
1271 | return 1; | |
1272 | } | |
1273 | return 0; | |
1274 | } | |
1275 | ||
1276 | static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port, | |
1277 | const struct switchdev_obj_port_mdb *mdb, | |
1278 | struct switchdev_trans *trans) | |
1279 | { | |
1280 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
c57529e1 IS |
1281 | struct net_device *orig_dev = mdb->obj.orig_dev; |
1282 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
3a49b4fd | 1283 | struct net_device *dev = mlxsw_sp_port->dev; |
c57529e1 IS |
1284 | struct mlxsw_sp_bridge_device *bridge_device; |
1285 | struct mlxsw_sp_bridge_port *bridge_port; | |
3a49b4fd | 1286 | struct mlxsw_sp_mid *mid; |
c57529e1 | 1287 | u16 fid_index; |
3a49b4fd ER |
1288 | int err = 0; |
1289 | ||
1290 | if (switchdev_trans_ph_prepare(trans)) | |
1291 | return 0; | |
1292 | ||
c57529e1 IS |
1293 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); |
1294 | if (WARN_ON(!bridge_port)) | |
1295 | return -EINVAL; | |
1296 | ||
1297 | bridge_device = bridge_port->bridge_device; | |
1298 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port, | |
1299 | bridge_device, | |
1300 | mdb->vid); | |
1301 | if (WARN_ON(!mlxsw_sp_port_vlan)) | |
1302 | return -EINVAL; | |
1303 | ||
a1107487 | 1304 | fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid); |
c57529e1 IS |
1305 | |
1306 | mid = __mlxsw_sp_mc_get(mlxsw_sp, mdb->addr, fid_index); | |
3a49b4fd | 1307 | if (!mid) { |
c57529e1 | 1308 | mid = __mlxsw_sp_mc_alloc(mlxsw_sp, mdb->addr, fid_index); |
3a49b4fd ER |
1309 | if (!mid) { |
1310 | netdev_err(dev, "Unable to allocate MC group\n"); | |
1311 | return -ENOMEM; | |
1312 | } | |
1313 | } | |
1314 | mid->ref_count++; | |
1315 | ||
1316 | err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, true, | |
1317 | mid->ref_count == 1); | |
1318 | if (err) { | |
1319 | netdev_err(dev, "Unable to set SMID\n"); | |
1320 | goto err_out; | |
1321 | } | |
1322 | ||
1323 | if (mid->ref_count == 1) { | |
c57529e1 IS |
1324 | err = mlxsw_sp_port_mdb_op(mlxsw_sp, mdb->addr, fid_index, |
1325 | mid->mid, true); | |
3a49b4fd ER |
1326 | if (err) { |
1327 | netdev_err(dev, "Unable to set MC SFD\n"); | |
1328 | goto err_out; | |
1329 | } | |
1330 | } | |
1331 | ||
1332 | return 0; | |
1333 | ||
1334 | err_out: | |
1335 | __mlxsw_sp_mc_dec_ref(mlxsw_sp, mid); | |
1336 | return err; | |
1337 | } | |
1338 | ||
56ade8fe JP |
1339 | static int mlxsw_sp_port_obj_add(struct net_device *dev, |
1340 | const struct switchdev_obj *obj, | |
1341 | struct switchdev_trans *trans) | |
1342 | { | |
1343 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
1344 | int err = 0; | |
1345 | ||
1346 | switch (obj->id) { | |
1347 | case SWITCHDEV_OBJ_ID_PORT_VLAN: | |
1348 | err = mlxsw_sp_port_vlans_add(mlxsw_sp_port, | |
1349 | SWITCHDEV_OBJ_PORT_VLAN(obj), | |
1350 | trans); | |
1351 | break; | |
1352 | case SWITCHDEV_OBJ_ID_PORT_FDB: | |
1353 | err = mlxsw_sp_port_fdb_static_add(mlxsw_sp_port, | |
1354 | SWITCHDEV_OBJ_PORT_FDB(obj), | |
1355 | trans); | |
1356 | break; | |
3a49b4fd ER |
1357 | case SWITCHDEV_OBJ_ID_PORT_MDB: |
1358 | err = mlxsw_sp_port_mdb_add(mlxsw_sp_port, | |
1359 | SWITCHDEV_OBJ_PORT_MDB(obj), | |
1360 | trans); | |
1361 | break; | |
56ade8fe JP |
1362 | default: |
1363 | err = -EOPNOTSUPP; | |
1364 | break; | |
1365 | } | |
1366 | ||
1367 | return err; | |
1368 | } | |
1369 | ||
c57529e1 IS |
1370 | static void |
1371 | mlxsw_sp_bridge_port_vlan_del(struct mlxsw_sp_port *mlxsw_sp_port, | |
1372 | struct mlxsw_sp_bridge_port *bridge_port, u16 vid) | |
56ade8fe | 1373 | { |
fe9ccc78 | 1374 | u16 pvid = mlxsw_sp_port->pvid == vid ? 0 : vid; |
c57529e1 | 1375 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; |
fe9ccc78 | 1376 | |
c57529e1 IS |
1377 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); |
1378 | if (WARN_ON(!mlxsw_sp_port_vlan)) | |
1379 | return; | |
1380 | ||
1381 | mlxsw_sp_port_vlan_bridge_leave(mlxsw_sp_port_vlan); | |
fe9ccc78 IS |
1382 | mlxsw_sp_port_pvid_set(mlxsw_sp_port, pvid); |
1383 | mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false); | |
c57529e1 | 1384 | mlxsw_sp_port_vlan_put(mlxsw_sp_port_vlan); |
56ade8fe JP |
1385 | } |
1386 | ||
1387 | static int mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port, | |
1388 | const struct switchdev_obj_port_vlan *vlan) | |
1389 | { | |
c57529e1 IS |
1390 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
1391 | struct net_device *orig_dev = vlan->obj.orig_dev; | |
1392 | struct mlxsw_sp_bridge_port *bridge_port; | |
fe9ccc78 IS |
1393 | u16 vid; |
1394 | ||
c57529e1 IS |
1395 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); |
1396 | if (WARN_ON(!bridge_port)) | |
1397 | return -EINVAL; | |
fe9ccc78 | 1398 | |
c57529e1 IS |
1399 | if (!bridge_port->bridge_device->vlan_enabled) |
1400 | return 0; | |
56ade8fe | 1401 | |
c57529e1 IS |
1402 | for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) |
1403 | mlxsw_sp_bridge_port_vlan_del(mlxsw_sp_port, bridge_port, vid); | |
4dc236c3 | 1404 | |
c57529e1 | 1405 | return 0; |
4dc236c3 IS |
1406 | } |
1407 | ||
56ade8fe JP |
1408 | static int |
1409 | mlxsw_sp_port_fdb_static_del(struct mlxsw_sp_port *mlxsw_sp_port, | |
1410 | const struct switchdev_obj_port_fdb *fdb) | |
1411 | { | |
c57529e1 IS |
1412 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
1413 | struct net_device *orig_dev = fdb->obj.orig_dev; | |
1414 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
1415 | struct mlxsw_sp_bridge_device *bridge_device; | |
1416 | struct mlxsw_sp_bridge_port *bridge_port; | |
1417 | u16 fid_index, vid; | |
1418 | ||
1419 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); | |
1420 | if (WARN_ON(!bridge_port)) | |
1421 | return -EINVAL; | |
9de6a80e | 1422 | |
c57529e1 IS |
1423 | bridge_device = bridge_port->bridge_device; |
1424 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port, | |
1425 | bridge_device, | |
1426 | fdb->vid); | |
1427 | if (!mlxsw_sp_port_vlan) | |
1428 | return 0; | |
1429 | ||
a1107487 | 1430 | fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid); |
c57529e1 | 1431 | vid = mlxsw_sp_port_vlan->vid; |
54a73201 | 1432 | |
8a1ab5d7 | 1433 | if (!mlxsw_sp_port->lagged) |
c57529e1 | 1434 | return mlxsw_sp_port_fdb_uc_op(mlxsw_sp, |
2fa9d45e | 1435 | mlxsw_sp_port->local_port, |
c57529e1 IS |
1436 | fdb->addr, fid_index, false, |
1437 | false); | |
8a1ab5d7 | 1438 | else |
c57529e1 | 1439 | return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp, |
8a1ab5d7 | 1440 | mlxsw_sp_port->lag_id, |
c57529e1 | 1441 | fdb->addr, fid_index, vid, |
8a1ab5d7 | 1442 | false, false); |
56ade8fe JP |
1443 | } |
1444 | ||
3a49b4fd ER |
1445 | static int mlxsw_sp_port_mdb_del(struct mlxsw_sp_port *mlxsw_sp_port, |
1446 | const struct switchdev_obj_port_mdb *mdb) | |
1447 | { | |
1448 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
c57529e1 IS |
1449 | struct net_device *orig_dev = mdb->obj.orig_dev; |
1450 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
1451 | struct mlxsw_sp_bridge_device *bridge_device; | |
3a49b4fd | 1452 | struct net_device *dev = mlxsw_sp_port->dev; |
c57529e1 | 1453 | struct mlxsw_sp_bridge_port *bridge_port; |
3a49b4fd | 1454 | struct mlxsw_sp_mid *mid; |
c57529e1 | 1455 | u16 fid_index; |
3a49b4fd ER |
1456 | u16 mid_idx; |
1457 | int err = 0; | |
1458 | ||
c57529e1 IS |
1459 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); |
1460 | if (WARN_ON(!bridge_port)) | |
1461 | return -EINVAL; | |
1462 | ||
1463 | bridge_device = bridge_port->bridge_device; | |
1464 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port, | |
1465 | bridge_device, | |
1466 | mdb->vid); | |
1467 | if (WARN_ON(!mlxsw_sp_port_vlan)) | |
1468 | return -EINVAL; | |
1469 | ||
a1107487 | 1470 | fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid); |
c57529e1 IS |
1471 | |
1472 | mid = __mlxsw_sp_mc_get(mlxsw_sp, mdb->addr, fid_index); | |
3a49b4fd ER |
1473 | if (!mid) { |
1474 | netdev_err(dev, "Unable to remove port from MC DB\n"); | |
1475 | return -EINVAL; | |
1476 | } | |
1477 | ||
1478 | err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, false, false); | |
1479 | if (err) | |
1480 | netdev_err(dev, "Unable to remove port from SMID\n"); | |
1481 | ||
1482 | mid_idx = mid->mid; | |
1483 | if (__mlxsw_sp_mc_dec_ref(mlxsw_sp, mid)) { | |
c57529e1 IS |
1484 | err = mlxsw_sp_port_mdb_op(mlxsw_sp, mdb->addr, fid_index, |
1485 | mid_idx, false); | |
3a49b4fd ER |
1486 | if (err) |
1487 | netdev_err(dev, "Unable to remove MC SFD\n"); | |
1488 | } | |
1489 | ||
1490 | return err; | |
1491 | } | |
1492 | ||
56ade8fe JP |
1493 | static int mlxsw_sp_port_obj_del(struct net_device *dev, |
1494 | const struct switchdev_obj *obj) | |
1495 | { | |
1496 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
1497 | int err = 0; | |
1498 | ||
1499 | switch (obj->id) { | |
1500 | case SWITCHDEV_OBJ_ID_PORT_VLAN: | |
1501 | err = mlxsw_sp_port_vlans_del(mlxsw_sp_port, | |
1502 | SWITCHDEV_OBJ_PORT_VLAN(obj)); | |
1503 | break; | |
1504 | case SWITCHDEV_OBJ_ID_PORT_FDB: | |
1505 | err = mlxsw_sp_port_fdb_static_del(mlxsw_sp_port, | |
1506 | SWITCHDEV_OBJ_PORT_FDB(obj)); | |
1507 | break; | |
3a49b4fd ER |
1508 | case SWITCHDEV_OBJ_ID_PORT_MDB: |
1509 | err = mlxsw_sp_port_mdb_del(mlxsw_sp_port, | |
1510 | SWITCHDEV_OBJ_PORT_MDB(obj)); | |
00ae40e7 | 1511 | break; |
56ade8fe JP |
1512 | default: |
1513 | err = -EOPNOTSUPP; | |
1514 | break; | |
1515 | } | |
1516 | ||
1517 | return err; | |
1518 | } | |
1519 | ||
8a1ab5d7 JP |
1520 | static struct mlxsw_sp_port *mlxsw_sp_lag_rep_port(struct mlxsw_sp *mlxsw_sp, |
1521 | u16 lag_id) | |
1522 | { | |
1523 | struct mlxsw_sp_port *mlxsw_sp_port; | |
c1a38311 | 1524 | u64 max_lag_members; |
8a1ab5d7 JP |
1525 | int i; |
1526 | ||
c1a38311 JP |
1527 | max_lag_members = MLXSW_CORE_RES_GET(mlxsw_sp->core, |
1528 | MAX_LAG_MEMBERS); | |
1529 | for (i = 0; i < max_lag_members; i++) { | |
8a1ab5d7 JP |
1530 | mlxsw_sp_port = mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i); |
1531 | if (mlxsw_sp_port) | |
1532 | return mlxsw_sp_port; | |
1533 | } | |
1534 | return NULL; | |
1535 | } | |
1536 | ||
56ade8fe JP |
1537 | static int mlxsw_sp_port_fdb_dump(struct mlxsw_sp_port *mlxsw_sp_port, |
1538 | struct switchdev_obj_port_fdb *fdb, | |
c57529e1 | 1539 | switchdev_obj_dump_cb_t *cb) |
56ade8fe | 1540 | { |
8a1ab5d7 | 1541 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
c57529e1 IS |
1542 | struct net_device *orig_dev = fdb->obj.orig_dev; |
1543 | struct mlxsw_sp_bridge_port *bridge_port; | |
1544 | u16 lag_id, fid_index; | |
56ade8fe | 1545 | char mac[ETH_ALEN]; |
56ade8fe | 1546 | int stored_err = 0; |
c57529e1 IS |
1547 | char *sfd_pl; |
1548 | u8 num_rec; | |
56ade8fe JP |
1549 | int err; |
1550 | ||
c57529e1 IS |
1551 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); |
1552 | if (!bridge_port) | |
1553 | return 0; | |
1554 | ||
56ade8fe JP |
1555 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); |
1556 | if (!sfd_pl) | |
1557 | return -ENOMEM; | |
1558 | ||
1559 | mlxsw_reg_sfd_pack(sfd_pl, MLXSW_REG_SFD_OP_QUERY_DUMP, 0); | |
1560 | do { | |
c57529e1 IS |
1561 | struct mlxsw_sp_port *tmp; |
1562 | u8 local_port; | |
1563 | int i; | |
1564 | ||
56ade8fe | 1565 | mlxsw_reg_sfd_num_rec_set(sfd_pl, MLXSW_REG_SFD_REC_MAX_COUNT); |
8a1ab5d7 | 1566 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
56ade8fe JP |
1567 | if (err) |
1568 | goto out; | |
1569 | ||
1570 | num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl); | |
1571 | ||
1572 | /* Even in case of error, we have to run the dump to the end | |
1573 | * so the session in firmware is finished. | |
1574 | */ | |
1575 | if (stored_err) | |
1576 | continue; | |
1577 | ||
1578 | for (i = 0; i < num_rec; i++) { | |
1579 | switch (mlxsw_reg_sfd_rec_type_get(sfd_pl, i)) { | |
1580 | case MLXSW_REG_SFD_REC_TYPE_UNICAST: | |
c57529e1 IS |
1581 | mlxsw_reg_sfd_uc_unpack(sfd_pl, i, mac, |
1582 | &fid_index, | |
56ade8fe | 1583 | &local_port); |
c57529e1 IS |
1584 | if (bridge_port->lagged) |
1585 | continue; | |
1586 | if (bridge_port->system_port != local_port) | |
1587 | continue; | |
1588 | if (bridge_port->bridge_device->vlan_enabled) | |
1589 | fdb->vid = fid_index; | |
1590 | else | |
1591 | fdb->vid = 0; | |
1592 | ether_addr_copy(fdb->addr, mac); | |
1593 | fdb->ndm_state = NUD_REACHABLE; | |
1594 | err = cb(&fdb->obj); | |
1595 | if (err) | |
1596 | stored_err = err; | |
8a1ab5d7 JP |
1597 | break; |
1598 | case MLXSW_REG_SFD_REC_TYPE_UNICAST_LAG: | |
1599 | mlxsw_reg_sfd_uc_lag_unpack(sfd_pl, i, | |
c57529e1 IS |
1600 | mac, &fid_index, |
1601 | &lag_id); | |
1602 | if (!bridge_port->lagged) | |
1603 | continue; | |
1604 | if (bridge_port->lag_id != lag_id) | |
1605 | continue; | |
3f47f867 | 1606 | tmp = mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id); |
c57529e1 IS |
1607 | if (tmp->local_port != |
1608 | mlxsw_sp_port->local_port) | |
1609 | continue; | |
1610 | if (bridge_port->bridge_device->vlan_enabled) | |
1611 | fdb->vid = fid_index; | |
1612 | else | |
1613 | fdb->vid = 0; | |
1614 | ether_addr_copy(fdb->addr, mac); | |
1615 | fdb->ndm_state = NUD_REACHABLE; | |
1616 | err = cb(&fdb->obj); | |
1617 | if (err) | |
1618 | stored_err = err; | |
8a1ab5d7 | 1619 | break; |
56ade8fe JP |
1620 | } |
1621 | } | |
1622 | } while (num_rec == MLXSW_REG_SFD_REC_MAX_COUNT); | |
1623 | ||
1624 | out: | |
1625 | kfree(sfd_pl); | |
1626 | return stored_err ? stored_err : err; | |
1627 | } | |
1628 | ||
1629 | static int mlxsw_sp_port_vlan_dump(struct mlxsw_sp_port *mlxsw_sp_port, | |
1630 | struct switchdev_obj_port_vlan *vlan, | |
1631 | switchdev_obj_dump_cb_t *cb) | |
1632 | { | |
c57529e1 IS |
1633 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
1634 | struct net_device *orig_dev = vlan->obj.orig_dev; | |
1635 | struct mlxsw_sp_bridge_port *bridge_port; | |
1636 | struct mlxsw_sp_bridge_vlan *bridge_vlan; | |
56ade8fe JP |
1637 | int err = 0; |
1638 | ||
c57529e1 IS |
1639 | bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); |
1640 | if (WARN_ON(!bridge_port)) | |
1641 | return -EINVAL; | |
1642 | ||
1643 | if (!bridge_port->bridge_device->vlan_enabled) | |
1644 | return 0; | |
54a73201 | 1645 | |
c57529e1 | 1646 | list_for_each_entry(bridge_vlan, &bridge_port->vlans_list, list) { |
56ade8fe | 1647 | vlan->flags = 0; |
c57529e1 | 1648 | if (bridge_vlan->pvid) |
56ade8fe | 1649 | vlan->flags |= BRIDGE_VLAN_INFO_PVID; |
c57529e1 | 1650 | if (bridge_vlan->egress_untagged) |
fc1273af | 1651 | vlan->flags |= BRIDGE_VLAN_INFO_UNTAGGED; |
c57529e1 IS |
1652 | vlan->vid_begin = bridge_vlan->vid; |
1653 | vlan->vid_end = bridge_vlan->vid; | |
56ade8fe JP |
1654 | err = cb(&vlan->obj); |
1655 | if (err) | |
1656 | break; | |
1657 | } | |
c57529e1 | 1658 | |
56ade8fe JP |
1659 | return err; |
1660 | } | |
1661 | ||
1662 | static int mlxsw_sp_port_obj_dump(struct net_device *dev, | |
1663 | struct switchdev_obj *obj, | |
1664 | switchdev_obj_dump_cb_t *cb) | |
1665 | { | |
1666 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
1667 | int err = 0; | |
1668 | ||
1669 | switch (obj->id) { | |
1670 | case SWITCHDEV_OBJ_ID_PORT_VLAN: | |
1671 | err = mlxsw_sp_port_vlan_dump(mlxsw_sp_port, | |
1672 | SWITCHDEV_OBJ_PORT_VLAN(obj), cb); | |
1673 | break; | |
1674 | case SWITCHDEV_OBJ_ID_PORT_FDB: | |
1675 | err = mlxsw_sp_port_fdb_dump(mlxsw_sp_port, | |
c57529e1 | 1676 | SWITCHDEV_OBJ_PORT_FDB(obj), cb); |
56ade8fe JP |
1677 | break; |
1678 | default: | |
1679 | err = -EOPNOTSUPP; | |
1680 | break; | |
1681 | } | |
1682 | ||
1683 | return err; | |
1684 | } | |
1685 | ||
c7070fc4 | 1686 | static const struct switchdev_ops mlxsw_sp_port_switchdev_ops = { |
56ade8fe JP |
1687 | .switchdev_port_attr_get = mlxsw_sp_port_attr_get, |
1688 | .switchdev_port_attr_set = mlxsw_sp_port_attr_set, | |
1689 | .switchdev_port_obj_add = mlxsw_sp_port_obj_add, | |
1690 | .switchdev_port_obj_del = mlxsw_sp_port_obj_del, | |
1691 | .switchdev_port_obj_dump = mlxsw_sp_port_obj_dump, | |
1692 | }; | |
1693 | ||
c57529e1 IS |
1694 | static int |
1695 | mlxsw_sp_bridge_8021q_port_join(struct mlxsw_sp_bridge_device *bridge_device, | |
1696 | struct mlxsw_sp_bridge_port *bridge_port, | |
1697 | struct mlxsw_sp_port *mlxsw_sp_port) | |
1698 | { | |
1699 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
1700 | ||
1701 | if (is_vlan_dev(bridge_port->dev)) | |
1702 | return -EINVAL; | |
1703 | ||
1704 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, 1); | |
1705 | if (WARN_ON(!mlxsw_sp_port_vlan)) | |
1706 | return -EINVAL; | |
1707 | ||
1708 | /* Let VLAN-aware bridge take care of its own VLANs */ | |
1709 | mlxsw_sp_port_vlan_put(mlxsw_sp_port_vlan); | |
1710 | ||
1711 | return 0; | |
1712 | } | |
1713 | ||
1714 | static void | |
1715 | mlxsw_sp_bridge_8021q_port_leave(struct mlxsw_sp_bridge_device *bridge_device, | |
1716 | struct mlxsw_sp_bridge_port *bridge_port, | |
1717 | struct mlxsw_sp_port *mlxsw_sp_port) | |
1718 | { | |
1719 | mlxsw_sp_port_vlan_get(mlxsw_sp_port, 1); | |
1720 | /* Make sure untagged frames are allowed to ingress */ | |
1721 | mlxsw_sp_port_pvid_set(mlxsw_sp_port, 1); | |
1722 | } | |
1723 | ||
a1107487 IS |
1724 | static struct mlxsw_sp_fid * |
1725 | mlxsw_sp_bridge_8021q_fid_get(struct mlxsw_sp_bridge_device *bridge_device, | |
1726 | u16 vid) | |
1727 | { | |
1728 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(bridge_device->dev); | |
1729 | ||
1730 | return mlxsw_sp_fid_8021q_get(mlxsw_sp, vid); | |
1731 | } | |
1732 | ||
c57529e1 IS |
1733 | static const struct mlxsw_sp_bridge_ops mlxsw_sp_bridge_8021q_ops = { |
1734 | .port_join = mlxsw_sp_bridge_8021q_port_join, | |
1735 | .port_leave = mlxsw_sp_bridge_8021q_port_leave, | |
a1107487 | 1736 | .fid_get = mlxsw_sp_bridge_8021q_fid_get, |
c57529e1 IS |
1737 | }; |
1738 | ||
1739 | static bool | |
1740 | mlxsw_sp_port_is_br_member(const struct mlxsw_sp_port *mlxsw_sp_port, | |
1741 | const struct net_device *br_dev) | |
1742 | { | |
1743 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
1744 | ||
1745 | list_for_each_entry(mlxsw_sp_port_vlan, &mlxsw_sp_port->vlans_list, | |
1746 | list) { | |
1747 | if (mlxsw_sp_port_vlan->bridge_port && | |
1748 | mlxsw_sp_port_vlan->bridge_port->bridge_device->dev == | |
1749 | br_dev) | |
1750 | return true; | |
1751 | } | |
1752 | ||
1753 | return false; | |
1754 | } | |
1755 | ||
1756 | static int | |
1757 | mlxsw_sp_bridge_8021d_port_join(struct mlxsw_sp_bridge_device *bridge_device, | |
1758 | struct mlxsw_sp_bridge_port *bridge_port, | |
1759 | struct mlxsw_sp_port *mlxsw_sp_port) | |
1760 | { | |
1761 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
c57529e1 IS |
1762 | u16 vid; |
1763 | ||
1764 | if (!is_vlan_dev(bridge_port->dev)) | |
1765 | return -EINVAL; | |
1766 | vid = vlan_dev_vlan_id(bridge_port->dev); | |
1767 | ||
1768 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); | |
1769 | if (WARN_ON(!mlxsw_sp_port_vlan)) | |
1770 | return -EINVAL; | |
c57529e1 IS |
1771 | |
1772 | if (mlxsw_sp_port_is_br_member(mlxsw_sp_port, bridge_device->dev)) { | |
1773 | netdev_err(mlxsw_sp_port->dev, "Can't bridge VLAN uppers of the same port\n"); | |
1774 | return -EINVAL; | |
1775 | } | |
1776 | ||
1777 | /* Port is no longer usable as a router interface */ | |
a1107487 IS |
1778 | if (mlxsw_sp_port_vlan->fid) |
1779 | mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port_vlan); | |
c57529e1 IS |
1780 | |
1781 | return mlxsw_sp_port_vlan_bridge_join(mlxsw_sp_port_vlan, bridge_port); | |
1782 | } | |
1783 | ||
1784 | static void | |
1785 | mlxsw_sp_bridge_8021d_port_leave(struct mlxsw_sp_bridge_device *bridge_device, | |
1786 | struct mlxsw_sp_bridge_port *bridge_port, | |
1787 | struct mlxsw_sp_port *mlxsw_sp_port) | |
1788 | { | |
1789 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; | |
1790 | u16 vid = vlan_dev_vlan_id(bridge_port->dev); | |
1791 | ||
1792 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); | |
1793 | if (WARN_ON(!mlxsw_sp_port_vlan)) | |
1794 | return; | |
1795 | ||
1796 | mlxsw_sp_port_vlan_bridge_leave(mlxsw_sp_port_vlan); | |
1797 | } | |
1798 | ||
a1107487 IS |
1799 | static struct mlxsw_sp_fid * |
1800 | mlxsw_sp_bridge_8021d_fid_get(struct mlxsw_sp_bridge_device *bridge_device, | |
1801 | u16 vid) | |
1802 | { | |
1803 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(bridge_device->dev); | |
1804 | ||
1805 | return mlxsw_sp_fid_8021d_get(mlxsw_sp, bridge_device->dev->ifindex); | |
1806 | } | |
1807 | ||
c57529e1 IS |
1808 | static const struct mlxsw_sp_bridge_ops mlxsw_sp_bridge_8021d_ops = { |
1809 | .port_join = mlxsw_sp_bridge_8021d_port_join, | |
1810 | .port_leave = mlxsw_sp_bridge_8021d_port_leave, | |
a1107487 | 1811 | .fid_get = mlxsw_sp_bridge_8021d_fid_get, |
c57529e1 IS |
1812 | }; |
1813 | ||
1814 | int mlxsw_sp_port_bridge_join(struct mlxsw_sp_port *mlxsw_sp_port, | |
1815 | struct net_device *brport_dev, | |
1816 | struct net_device *br_dev) | |
1817 | { | |
1818 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1819 | struct mlxsw_sp_bridge_device *bridge_device; | |
1820 | struct mlxsw_sp_bridge_port *bridge_port; | |
1821 | int err; | |
1822 | ||
1823 | bridge_port = mlxsw_sp_bridge_port_get(mlxsw_sp->bridge, brport_dev); | |
1824 | if (IS_ERR(bridge_port)) | |
1825 | return PTR_ERR(bridge_port); | |
1826 | bridge_device = bridge_port->bridge_device; | |
1827 | ||
1828 | err = bridge_device->ops->port_join(bridge_device, bridge_port, | |
1829 | mlxsw_sp_port); | |
1830 | if (err) | |
1831 | goto err_port_join; | |
1832 | ||
1833 | return 0; | |
1834 | ||
1835 | err_port_join: | |
1836 | mlxsw_sp_bridge_port_put(mlxsw_sp->bridge, bridge_port); | |
1837 | return err; | |
1838 | } | |
1839 | ||
1840 | void mlxsw_sp_port_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_port, | |
1841 | struct net_device *brport_dev, | |
1842 | struct net_device *br_dev) | |
1843 | { | |
1844 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1845 | struct mlxsw_sp_bridge_device *bridge_device; | |
1846 | struct mlxsw_sp_bridge_port *bridge_port; | |
1847 | ||
1848 | bridge_device = mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, br_dev); | |
1849 | if (!bridge_device) | |
1850 | return; | |
1851 | bridge_port = __mlxsw_sp_bridge_port_find(bridge_device, brport_dev); | |
1852 | if (!bridge_port) | |
1853 | return; | |
1854 | ||
1855 | bridge_device->ops->port_leave(bridge_device, bridge_port, | |
1856 | mlxsw_sp_port); | |
1857 | mlxsw_sp_bridge_port_put(mlxsw_sp->bridge, bridge_port); | |
1858 | } | |
1859 | ||
45827d78 IS |
1860 | static void mlxsw_sp_fdb_call_notifiers(bool learning_sync, bool adding, |
1861 | char *mac, u16 vid, | |
8a1ab5d7 JP |
1862 | struct net_device *dev) |
1863 | { | |
1864 | struct switchdev_notifier_fdb_info info; | |
1865 | unsigned long notifier_type; | |
1866 | ||
45827d78 | 1867 | if (learning_sync) { |
8a1ab5d7 JP |
1868 | info.addr = mac; |
1869 | info.vid = vid; | |
6b26b51b | 1870 | notifier_type = adding ? SWITCHDEV_FDB_ADD_TO_BRIDGE : SWITCHDEV_FDB_DEL_TO_BRIDGE; |
8a1ab5d7 JP |
1871 | call_switchdev_notifiers(notifier_type, dev, &info.info); |
1872 | } | |
1873 | } | |
1874 | ||
56ade8fe JP |
1875 | static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp, |
1876 | char *sfn_pl, int rec_index, | |
1877 | bool adding) | |
1878 | { | |
c57529e1 IS |
1879 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; |
1880 | struct mlxsw_sp_bridge_device *bridge_device; | |
1881 | struct mlxsw_sp_bridge_port *bridge_port; | |
56ade8fe JP |
1882 | struct mlxsw_sp_port *mlxsw_sp_port; |
1883 | char mac[ETH_ALEN]; | |
1884 | u8 local_port; | |
9de6a80e | 1885 | u16 vid, fid; |
12f1501e | 1886 | bool do_notification = true; |
56ade8fe JP |
1887 | int err; |
1888 | ||
9de6a80e | 1889 | mlxsw_reg_sfn_mac_unpack(sfn_pl, rec_index, mac, &fid, &local_port); |
56ade8fe JP |
1890 | mlxsw_sp_port = mlxsw_sp->ports[local_port]; |
1891 | if (!mlxsw_sp_port) { | |
1892 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Incorrect local port in FDB notification\n"); | |
12f1501e | 1893 | goto just_remove; |
56ade8fe JP |
1894 | } |
1895 | ||
c57529e1 IS |
1896 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_fid(mlxsw_sp_port, fid); |
1897 | if (!mlxsw_sp_port_vlan) { | |
1898 | netdev_err(mlxsw_sp_port->dev, "Failed to find a matching {Port, VID} following FDB notification\n"); | |
1899 | goto just_remove; | |
1900 | } | |
aac78a44 | 1901 | |
c57529e1 IS |
1902 | bridge_port = mlxsw_sp_port_vlan->bridge_port; |
1903 | if (!bridge_port) { | |
1904 | netdev_err(mlxsw_sp_port->dev, "{Port, VID} not associated with a bridge\n"); | |
1905 | goto just_remove; | |
aac78a44 IS |
1906 | } |
1907 | ||
c57529e1 IS |
1908 | bridge_device = bridge_port->bridge_device; |
1909 | vid = bridge_device->vlan_enabled ? mlxsw_sp_port_vlan->vid : 0; | |
1910 | ||
12f1501e | 1911 | do_fdb_op: |
2fa9d45e | 1912 | err = mlxsw_sp_port_fdb_uc_op(mlxsw_sp, local_port, mac, fid, |
12f1501e | 1913 | adding, true); |
56ade8fe | 1914 | if (err) { |
c0e01eac | 1915 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to set FDB entry\n"); |
56ade8fe JP |
1916 | return; |
1917 | } | |
1918 | ||
12f1501e JP |
1919 | if (!do_notification) |
1920 | return; | |
c57529e1 IS |
1921 | mlxsw_sp_fdb_call_notifiers(bridge_port->flags & BR_LEARNING_SYNC, |
1922 | adding, mac, vid, bridge_port->dev); | |
12f1501e JP |
1923 | return; |
1924 | ||
1925 | just_remove: | |
1926 | adding = false; | |
1927 | do_notification = false; | |
1928 | goto do_fdb_op; | |
8a1ab5d7 | 1929 | } |
56ade8fe | 1930 | |
8a1ab5d7 JP |
1931 | static void mlxsw_sp_fdb_notify_mac_lag_process(struct mlxsw_sp *mlxsw_sp, |
1932 | char *sfn_pl, int rec_index, | |
1933 | bool adding) | |
1934 | { | |
c57529e1 IS |
1935 | struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; |
1936 | struct mlxsw_sp_bridge_device *bridge_device; | |
1937 | struct mlxsw_sp_bridge_port *bridge_port; | |
8a1ab5d7 JP |
1938 | struct mlxsw_sp_port *mlxsw_sp_port; |
1939 | char mac[ETH_ALEN]; | |
64771e31 | 1940 | u16 lag_vid = 0; |
8a1ab5d7 | 1941 | u16 lag_id; |
9de6a80e | 1942 | u16 vid, fid; |
12f1501e | 1943 | bool do_notification = true; |
8a1ab5d7 JP |
1944 | int err; |
1945 | ||
9de6a80e | 1946 | mlxsw_reg_sfn_mac_lag_unpack(sfn_pl, rec_index, mac, &fid, &lag_id); |
8a1ab5d7 JP |
1947 | mlxsw_sp_port = mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id); |
1948 | if (!mlxsw_sp_port) { | |
1949 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Cannot find port representor for LAG\n"); | |
12f1501e | 1950 | goto just_remove; |
56ade8fe | 1951 | } |
8a1ab5d7 | 1952 | |
c57529e1 IS |
1953 | mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_fid(mlxsw_sp_port, fid); |
1954 | if (!mlxsw_sp_port_vlan) { | |
1955 | netdev_err(mlxsw_sp_port->dev, "Failed to find a matching {Port, VID} following FDB notification\n"); | |
1956 | goto just_remove; | |
1957 | } | |
aac78a44 | 1958 | |
c57529e1 IS |
1959 | bridge_port = mlxsw_sp_port_vlan->bridge_port; |
1960 | if (!bridge_port) { | |
1961 | netdev_err(mlxsw_sp_port->dev, "{Port, VID} not associated with a bridge\n"); | |
1962 | goto just_remove; | |
aac78a44 IS |
1963 | } |
1964 | ||
c57529e1 IS |
1965 | bridge_device = bridge_port->bridge_device; |
1966 | vid = bridge_device->vlan_enabled ? mlxsw_sp_port_vlan->vid : 0; | |
1967 | lag_vid = mlxsw_sp_port_vlan->vid; | |
1968 | ||
12f1501e | 1969 | do_fdb_op: |
64771e31 | 1970 | err = mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp, lag_id, mac, fid, lag_vid, |
12f1501e | 1971 | adding, true); |
8a1ab5d7 | 1972 | if (err) { |
c0e01eac | 1973 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to set FDB entry\n"); |
8a1ab5d7 JP |
1974 | return; |
1975 | } | |
1976 | ||
12f1501e JP |
1977 | if (!do_notification) |
1978 | return; | |
c57529e1 IS |
1979 | mlxsw_sp_fdb_call_notifiers(bridge_port->flags & BR_LEARNING_SYNC, |
1980 | adding, mac, vid, bridge_port->dev); | |
12f1501e JP |
1981 | return; |
1982 | ||
1983 | just_remove: | |
1984 | adding = false; | |
1985 | do_notification = false; | |
1986 | goto do_fdb_op; | |
56ade8fe JP |
1987 | } |
1988 | ||
1989 | static void mlxsw_sp_fdb_notify_rec_process(struct mlxsw_sp *mlxsw_sp, | |
1990 | char *sfn_pl, int rec_index) | |
1991 | { | |
1992 | switch (mlxsw_reg_sfn_rec_type_get(sfn_pl, rec_index)) { | |
1993 | case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC: | |
1994 | mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl, | |
1995 | rec_index, true); | |
1996 | break; | |
1997 | case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC: | |
1998 | mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl, | |
1999 | rec_index, false); | |
2000 | break; | |
8a1ab5d7 JP |
2001 | case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC_LAG: |
2002 | mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl, | |
2003 | rec_index, true); | |
2004 | break; | |
2005 | case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC_LAG: | |
2006 | mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl, | |
2007 | rec_index, false); | |
2008 | break; | |
56ade8fe JP |
2009 | } |
2010 | } | |
2011 | ||
2012 | static void mlxsw_sp_fdb_notify_work_schedule(struct mlxsw_sp *mlxsw_sp) | |
2013 | { | |
5f6935c6 IS |
2014 | struct mlxsw_sp_bridge *bridge = mlxsw_sp->bridge; |
2015 | ||
2016 | mlxsw_core_schedule_dw(&bridge->fdb_notify.dw, | |
2017 | msecs_to_jiffies(bridge->fdb_notify.interval)); | |
56ade8fe JP |
2018 | } |
2019 | ||
2020 | static void mlxsw_sp_fdb_notify_work(struct work_struct *work) | |
2021 | { | |
5f6935c6 | 2022 | struct mlxsw_sp_bridge *bridge; |
56ade8fe JP |
2023 | struct mlxsw_sp *mlxsw_sp; |
2024 | char *sfn_pl; | |
2025 | u8 num_rec; | |
2026 | int i; | |
2027 | int err; | |
2028 | ||
2029 | sfn_pl = kmalloc(MLXSW_REG_SFN_LEN, GFP_KERNEL); | |
2030 | if (!sfn_pl) | |
2031 | return; | |
2032 | ||
5f6935c6 IS |
2033 | bridge = container_of(work, struct mlxsw_sp_bridge, fdb_notify.dw.work); |
2034 | mlxsw_sp = bridge->mlxsw_sp; | |
56ade8fe | 2035 | |
4f2c6ae5 | 2036 | rtnl_lock(); |
1803e0fb IS |
2037 | mlxsw_reg_sfn_pack(sfn_pl); |
2038 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfn), sfn_pl); | |
2039 | if (err) { | |
2040 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to get FDB notifications\n"); | |
2041 | goto out; | |
2042 | } | |
2043 | num_rec = mlxsw_reg_sfn_num_rec_get(sfn_pl); | |
2044 | for (i = 0; i < num_rec; i++) | |
2045 | mlxsw_sp_fdb_notify_rec_process(mlxsw_sp, sfn_pl, i); | |
56ade8fe | 2046 | |
1803e0fb | 2047 | out: |
4f2c6ae5 | 2048 | rtnl_unlock(); |
56ade8fe JP |
2049 | kfree(sfn_pl); |
2050 | mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp); | |
2051 | } | |
2052 | ||
2053 | static int mlxsw_sp_fdb_init(struct mlxsw_sp *mlxsw_sp) | |
2054 | { | |
5f6935c6 | 2055 | struct mlxsw_sp_bridge *bridge = mlxsw_sp->bridge; |
56ade8fe JP |
2056 | int err; |
2057 | ||
2058 | err = mlxsw_sp_ageing_set(mlxsw_sp, MLXSW_SP_DEFAULT_AGEING_TIME); | |
2059 | if (err) { | |
2060 | dev_err(mlxsw_sp->bus_info->dev, "Failed to set default ageing time\n"); | |
2061 | return err; | |
2062 | } | |
5f6935c6 IS |
2063 | INIT_DELAYED_WORK(&bridge->fdb_notify.dw, mlxsw_sp_fdb_notify_work); |
2064 | bridge->fdb_notify.interval = MLXSW_SP_DEFAULT_LEARNING_INTERVAL; | |
56ade8fe JP |
2065 | mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp); |
2066 | return 0; | |
2067 | } | |
2068 | ||
2069 | static void mlxsw_sp_fdb_fini(struct mlxsw_sp *mlxsw_sp) | |
2070 | { | |
5f6935c6 | 2071 | cancel_delayed_work_sync(&mlxsw_sp->bridge->fdb_notify.dw); |
56ade8fe JP |
2072 | } |
2073 | ||
56ade8fe JP |
2074 | int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp) |
2075 | { | |
5f6935c6 IS |
2076 | struct mlxsw_sp_bridge *bridge; |
2077 | ||
2078 | bridge = kzalloc(sizeof(*mlxsw_sp->bridge), GFP_KERNEL); | |
2079 | if (!bridge) | |
2080 | return -ENOMEM; | |
2081 | mlxsw_sp->bridge = bridge; | |
2082 | bridge->mlxsw_sp = mlxsw_sp; | |
2083 | ||
c57529e1 | 2084 | INIT_LIST_HEAD(&mlxsw_sp->bridge->bridges_list); |
5f6935c6 IS |
2085 | INIT_LIST_HEAD(&mlxsw_sp->bridge->mids_list); |
2086 | ||
c57529e1 IS |
2087 | bridge->bridge_8021q_ops = &mlxsw_sp_bridge_8021q_ops; |
2088 | bridge->bridge_8021d_ops = &mlxsw_sp_bridge_8021d_ops; | |
2089 | ||
56ade8fe JP |
2090 | return mlxsw_sp_fdb_init(mlxsw_sp); |
2091 | } | |
2092 | ||
2093 | void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp) | |
2094 | { | |
2095 | mlxsw_sp_fdb_fini(mlxsw_sp); | |
5f6935c6 | 2096 | WARN_ON(!list_empty(&mlxsw_sp->bridge->mids_list)); |
c57529e1 | 2097 | WARN_ON(!list_empty(&mlxsw_sp->bridge->bridges_list)); |
5f6935c6 | 2098 | kfree(mlxsw_sp->bridge); |
56ade8fe JP |
2099 | } |
2100 | ||
56ade8fe JP |
2101 | void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port) |
2102 | { | |
2103 | mlxsw_sp_port->dev->switchdev_ops = &mlxsw_sp_port_switchdev_ops; | |
2104 | } | |
2105 | ||
2106 | void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port) | |
2107 | { | |
2108 | } |