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56ade8fe JP |
1 | /* |
2 | * drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c | |
3 | * Copyright (c) 2015 Mellanox Technologies. All rights reserved. | |
4 | * Copyright (c) 2015 Jiri Pirko <jiri@mellanox.com> | |
5 | * Copyright (c) 2015 Ido Schimmel <idosch@mellanox.com> | |
6 | * Copyright (c) 2015 Elad Raz <eladr@mellanox.com> | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions are met: | |
10 | * | |
11 | * 1. Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * 2. Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in the | |
15 | * documentation and/or other materials provided with the distribution. | |
16 | * 3. Neither the names of the copyright holders nor the names of its | |
17 | * contributors may be used to endorse or promote products derived from | |
18 | * this software without specific prior written permission. | |
19 | * | |
20 | * Alternatively, this software may be distributed under the terms of the | |
21 | * GNU General Public License ("GPL") version 2 as published by the Free | |
22 | * Software Foundation. | |
23 | * | |
24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
25 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
28 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
29 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
30 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
31 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
32 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
33 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
34 | * POSSIBILITY OF SUCH DAMAGE. | |
35 | */ | |
36 | ||
37 | #include <linux/kernel.h> | |
38 | #include <linux/types.h> | |
39 | #include <linux/netdevice.h> | |
40 | #include <linux/etherdevice.h> | |
41 | #include <linux/slab.h> | |
42 | #include <linux/device.h> | |
43 | #include <linux/skbuff.h> | |
44 | #include <linux/if_vlan.h> | |
45 | #include <linux/if_bridge.h> | |
46 | #include <linux/workqueue.h> | |
47 | #include <linux/jiffies.h> | |
4f2c6ae5 | 48 | #include <linux/rtnetlink.h> |
56ade8fe JP |
49 | #include <net/switchdev.h> |
50 | ||
51 | #include "spectrum.h" | |
52 | #include "core.h" | |
53 | #include "reg.h" | |
54 | ||
e4b6f693 ER |
55 | static u16 mlxsw_sp_port_vid_to_fid_get(struct mlxsw_sp_port *mlxsw_sp_port, |
56 | u16 vid) | |
57 | { | |
56918b6b | 58 | struct mlxsw_sp_fid *f = mlxsw_sp_vport_fid_get(mlxsw_sp_port); |
e4b6f693 ER |
59 | u16 fid = vid; |
60 | ||
56918b6b | 61 | fid = f ? f->fid : fid; |
e4b6f693 ER |
62 | |
63 | if (!fid) | |
64 | fid = mlxsw_sp_port->pvid; | |
65 | ||
66 | return fid; | |
67 | } | |
68 | ||
54a73201 IS |
69 | static struct mlxsw_sp_port * |
70 | mlxsw_sp_port_orig_get(struct net_device *dev, | |
71 | struct mlxsw_sp_port *mlxsw_sp_port) | |
72 | { | |
73 | struct mlxsw_sp_port *mlxsw_sp_vport; | |
74 | u16 vid; | |
75 | ||
76 | if (!is_vlan_dev(dev)) | |
77 | return mlxsw_sp_port; | |
78 | ||
79 | vid = vlan_dev_vlan_id(dev); | |
80 | mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, vid); | |
81 | WARN_ON(!mlxsw_sp_vport); | |
82 | ||
83 | return mlxsw_sp_vport; | |
84 | } | |
85 | ||
56ade8fe JP |
86 | static int mlxsw_sp_port_attr_get(struct net_device *dev, |
87 | struct switchdev_attr *attr) | |
88 | { | |
89 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
90 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
91 | ||
54a73201 IS |
92 | mlxsw_sp_port = mlxsw_sp_port_orig_get(attr->orig_dev, mlxsw_sp_port); |
93 | if (!mlxsw_sp_port) | |
94 | return -EINVAL; | |
95 | ||
56ade8fe JP |
96 | switch (attr->id) { |
97 | case SWITCHDEV_ATTR_ID_PORT_PARENT_ID: | |
98 | attr->u.ppid.id_len = sizeof(mlxsw_sp->base_mac); | |
99 | memcpy(&attr->u.ppid.id, &mlxsw_sp->base_mac, | |
100 | attr->u.ppid.id_len); | |
101 | break; | |
102 | case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS: | |
103 | attr->u.brport_flags = | |
104 | (mlxsw_sp_port->learning ? BR_LEARNING : 0) | | |
0293038e IS |
105 | (mlxsw_sp_port->learning_sync ? BR_LEARNING_SYNC : 0) | |
106 | (mlxsw_sp_port->uc_flood ? BR_FLOOD : 0); | |
56ade8fe JP |
107 | break; |
108 | default: | |
109 | return -EOPNOTSUPP; | |
110 | } | |
111 | ||
112 | return 0; | |
113 | } | |
114 | ||
115 | static int mlxsw_sp_port_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
116 | u8 state) | |
117 | { | |
118 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
119 | enum mlxsw_reg_spms_state spms_state; | |
120 | char *spms_pl; | |
121 | u16 vid; | |
122 | int err; | |
123 | ||
124 | switch (state) { | |
56ade8fe JP |
125 | case BR_STATE_FORWARDING: |
126 | spms_state = MLXSW_REG_SPMS_STATE_FORWARDING; | |
127 | break; | |
56ade8fe JP |
128 | case BR_STATE_LEARNING: |
129 | spms_state = MLXSW_REG_SPMS_STATE_LEARNING; | |
130 | break; | |
45491133 | 131 | case BR_STATE_LISTENING: /* fall-through */ |
9cb026eb | 132 | case BR_STATE_DISABLED: /* fall-through */ |
56ade8fe JP |
133 | case BR_STATE_BLOCKING: |
134 | spms_state = MLXSW_REG_SPMS_STATE_DISCARDING; | |
135 | break; | |
136 | default: | |
137 | BUG(); | |
138 | } | |
139 | ||
140 | spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL); | |
141 | if (!spms_pl) | |
142 | return -ENOMEM; | |
143 | mlxsw_reg_spms_pack(spms_pl, mlxsw_sp_port->local_port); | |
54a73201 IS |
144 | |
145 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { | |
146 | vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port); | |
56ade8fe | 147 | mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state); |
54a73201 IS |
148 | } else { |
149 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) | |
150 | mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state); | |
151 | } | |
56ade8fe JP |
152 | |
153 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spms), spms_pl); | |
154 | kfree(spms_pl); | |
155 | return err; | |
156 | } | |
157 | ||
158 | static int mlxsw_sp_port_attr_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
159 | struct switchdev_trans *trans, | |
160 | u8 state) | |
161 | { | |
162 | if (switchdev_trans_ph_prepare(trans)) | |
163 | return 0; | |
164 | ||
165 | mlxsw_sp_port->stp_state = state; | |
166 | return mlxsw_sp_port_stp_state_set(mlxsw_sp_port, state); | |
167 | } | |
168 | ||
0293038e | 169 | static int __mlxsw_sp_port_flood_set(struct mlxsw_sp_port *mlxsw_sp_port, |
aad8b6ba IS |
170 | u16 idx_begin, u16 idx_end, bool uc_set, |
171 | bool bm_set) | |
0293038e IS |
172 | { |
173 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
7f71eb46 IS |
174 | u16 local_port = mlxsw_sp_port->local_port; |
175 | enum mlxsw_flood_table_type table_type; | |
c06a94ef | 176 | u16 range = idx_end - idx_begin + 1; |
0293038e IS |
177 | char *sftr_pl; |
178 | int err; | |
179 | ||
99724c18 | 180 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) |
7f71eb46 | 181 | table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID; |
99724c18 | 182 | else |
7f71eb46 | 183 | table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFEST; |
7f71eb46 | 184 | |
0293038e IS |
185 | sftr_pl = kmalloc(MLXSW_REG_SFTR_LEN, GFP_KERNEL); |
186 | if (!sftr_pl) | |
187 | return -ENOMEM; | |
188 | ||
c06a94ef | 189 | mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_UC, idx_begin, |
aad8b6ba | 190 | table_type, range, local_port, uc_set); |
0293038e IS |
191 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl); |
192 | if (err) | |
193 | goto buffer_out; | |
194 | ||
c06a94ef | 195 | mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_BM, idx_begin, |
aad8b6ba | 196 | table_type, range, local_port, bm_set); |
0293038e | 197 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl); |
28892865 IS |
198 | if (err) |
199 | goto err_flood_bm_set; | |
aad8b6ba IS |
200 | |
201 | goto buffer_out; | |
0293038e | 202 | |
28892865 IS |
203 | err_flood_bm_set: |
204 | mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_UC, idx_begin, | |
aad8b6ba | 205 | table_type, range, local_port, !uc_set); |
28892865 | 206 | mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl); |
0293038e IS |
207 | buffer_out: |
208 | kfree(sftr_pl); | |
209 | return err; | |
210 | } | |
211 | ||
212 | static int mlxsw_sp_port_uc_flood_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
213 | bool set) | |
214 | { | |
215 | struct net_device *dev = mlxsw_sp_port->dev; | |
216 | u16 vid, last_visited_vid; | |
217 | int err; | |
218 | ||
54a73201 | 219 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
41b996cc IS |
220 | u16 fid = mlxsw_sp_vport_fid_get(mlxsw_sp_port)->fid; |
221 | u16 vfid = mlxsw_sp_fid_to_vfid(fid); | |
54a73201 IS |
222 | |
223 | return __mlxsw_sp_port_flood_set(mlxsw_sp_port, vfid, vfid, | |
224 | set, true); | |
225 | } | |
226 | ||
0293038e IS |
227 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) { |
228 | err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid, vid, set, | |
229 | true); | |
230 | if (err) { | |
231 | last_visited_vid = vid; | |
232 | goto err_port_flood_set; | |
233 | } | |
234 | } | |
235 | ||
236 | return 0; | |
237 | ||
238 | err_port_flood_set: | |
239 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, last_visited_vid) | |
240 | __mlxsw_sp_port_flood_set(mlxsw_sp_port, vid, vid, !set, true); | |
241 | netdev_err(dev, "Failed to configure unicast flooding\n"); | |
242 | return err; | |
243 | } | |
244 | ||
e6060027 | 245 | int mlxsw_sp_vport_flood_set(struct mlxsw_sp_port *mlxsw_sp_vport, u16 fid, |
47a0a9e6 | 246 | bool set) |
7f71eb46 | 247 | { |
e6060027 IS |
248 | u16 vfid; |
249 | ||
7f71eb46 IS |
250 | /* In case of vFIDs, index into the flooding table is relative to |
251 | * the start of the vFIDs range. | |
252 | */ | |
e6060027 | 253 | vfid = mlxsw_sp_fid_to_vfid(fid); |
aad8b6ba | 254 | return __mlxsw_sp_port_flood_set(mlxsw_sp_vport, vfid, vfid, set, set); |
7f71eb46 IS |
255 | } |
256 | ||
56ade8fe JP |
257 | static int mlxsw_sp_port_attr_br_flags_set(struct mlxsw_sp_port *mlxsw_sp_port, |
258 | struct switchdev_trans *trans, | |
259 | unsigned long brport_flags) | |
260 | { | |
0293038e IS |
261 | unsigned long uc_flood = mlxsw_sp_port->uc_flood ? BR_FLOOD : 0; |
262 | bool set; | |
263 | int err; | |
264 | ||
6c72a3d0 IS |
265 | if (!mlxsw_sp_port->bridged) |
266 | return -EINVAL; | |
267 | ||
56ade8fe JP |
268 | if (switchdev_trans_ph_prepare(trans)) |
269 | return 0; | |
270 | ||
0293038e IS |
271 | if ((uc_flood ^ brport_flags) & BR_FLOOD) { |
272 | set = mlxsw_sp_port->uc_flood ? false : true; | |
273 | err = mlxsw_sp_port_uc_flood_set(mlxsw_sp_port, set); | |
274 | if (err) | |
275 | return err; | |
276 | } | |
277 | ||
278 | mlxsw_sp_port->uc_flood = brport_flags & BR_FLOOD ? 1 : 0; | |
56ade8fe JP |
279 | mlxsw_sp_port->learning = brport_flags & BR_LEARNING ? 1 : 0; |
280 | mlxsw_sp_port->learning_sync = brport_flags & BR_LEARNING_SYNC ? 1 : 0; | |
0293038e | 281 | |
56ade8fe JP |
282 | return 0; |
283 | } | |
284 | ||
285 | static int mlxsw_sp_ageing_set(struct mlxsw_sp *mlxsw_sp, u32 ageing_time) | |
286 | { | |
287 | char sfdat_pl[MLXSW_REG_SFDAT_LEN]; | |
288 | int err; | |
289 | ||
290 | mlxsw_reg_sfdat_pack(sfdat_pl, ageing_time); | |
291 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdat), sfdat_pl); | |
292 | if (err) | |
293 | return err; | |
294 | mlxsw_sp->ageing_time = ageing_time; | |
295 | return 0; | |
296 | } | |
297 | ||
298 | static int mlxsw_sp_port_attr_br_ageing_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
299 | struct switchdev_trans *trans, | |
135f9ece | 300 | unsigned long ageing_clock_t) |
56ade8fe JP |
301 | { |
302 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
135f9ece | 303 | unsigned long ageing_jiffies = clock_t_to_jiffies(ageing_clock_t); |
56ade8fe JP |
304 | u32 ageing_time = jiffies_to_msecs(ageing_jiffies) / 1000; |
305 | ||
869f63a4 IS |
306 | if (switchdev_trans_ph_prepare(trans)) { |
307 | if (ageing_time < MLXSW_SP_MIN_AGEING_TIME || | |
308 | ageing_time > MLXSW_SP_MAX_AGEING_TIME) | |
309 | return -ERANGE; | |
310 | else | |
311 | return 0; | |
312 | } | |
56ade8fe JP |
313 | |
314 | return mlxsw_sp_ageing_set(mlxsw_sp, ageing_time); | |
315 | } | |
316 | ||
26a4ea0f ER |
317 | static int mlxsw_sp_port_attr_br_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, |
318 | struct switchdev_trans *trans, | |
319 | struct net_device *orig_dev, | |
320 | bool vlan_enabled) | |
321 | { | |
322 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
323 | ||
324 | /* SWITCHDEV_TRANS_PREPARE phase */ | |
325 | if ((!vlan_enabled) && (mlxsw_sp->master_bridge.dev == orig_dev)) { | |
326 | netdev_err(mlxsw_sp_port->dev, "Bridge must be vlan-aware\n"); | |
327 | return -EINVAL; | |
328 | } | |
329 | ||
330 | return 0; | |
331 | } | |
332 | ||
56ade8fe JP |
333 | static int mlxsw_sp_port_attr_set(struct net_device *dev, |
334 | const struct switchdev_attr *attr, | |
335 | struct switchdev_trans *trans) | |
336 | { | |
337 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
338 | int err = 0; | |
339 | ||
54a73201 IS |
340 | mlxsw_sp_port = mlxsw_sp_port_orig_get(attr->orig_dev, mlxsw_sp_port); |
341 | if (!mlxsw_sp_port) | |
342 | return -EINVAL; | |
343 | ||
56ade8fe JP |
344 | switch (attr->id) { |
345 | case SWITCHDEV_ATTR_ID_PORT_STP_STATE: | |
346 | err = mlxsw_sp_port_attr_stp_state_set(mlxsw_sp_port, trans, | |
347 | attr->u.stp_state); | |
348 | break; | |
349 | case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS: | |
350 | err = mlxsw_sp_port_attr_br_flags_set(mlxsw_sp_port, trans, | |
351 | attr->u.brport_flags); | |
352 | break; | |
353 | case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME: | |
354 | err = mlxsw_sp_port_attr_br_ageing_set(mlxsw_sp_port, trans, | |
355 | attr->u.ageing_time); | |
356 | break; | |
26a4ea0f ER |
357 | case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING: |
358 | err = mlxsw_sp_port_attr_br_vlan_set(mlxsw_sp_port, trans, | |
359 | attr->orig_dev, | |
360 | attr->u.vlan_filtering); | |
361 | break; | |
56ade8fe JP |
362 | default: |
363 | err = -EOPNOTSUPP; | |
364 | break; | |
365 | } | |
366 | ||
367 | return err; | |
368 | } | |
369 | ||
14d39461 IS |
370 | static int mlxsw_sp_fid_op(struct mlxsw_sp *mlxsw_sp, u16 fid, bool create) |
371 | { | |
372 | char sfmr_pl[MLXSW_REG_SFMR_LEN]; | |
373 | ||
374 | mlxsw_reg_sfmr_pack(sfmr_pl, !create, fid, fid); | |
375 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfmr), sfmr_pl); | |
376 | } | |
377 | ||
378 | static int mlxsw_sp_fid_map(struct mlxsw_sp *mlxsw_sp, u16 fid, bool valid) | |
379 | { | |
380 | enum mlxsw_reg_svfa_mt mt = MLXSW_REG_SVFA_MT_VID_TO_FID; | |
381 | char svfa_pl[MLXSW_REG_SVFA_LEN]; | |
382 | ||
383 | mlxsw_reg_svfa_pack(svfa_pl, 0, mt, valid, fid, fid); | |
384 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(svfa), svfa_pl); | |
385 | } | |
386 | ||
387 | static struct mlxsw_sp_fid *mlxsw_sp_fid_alloc(u16 fid) | |
388 | { | |
389 | struct mlxsw_sp_fid *f; | |
390 | ||
391 | f = kzalloc(sizeof(*f), GFP_KERNEL); | |
392 | if (!f) | |
393 | return NULL; | |
394 | ||
395 | f->fid = fid; | |
396 | ||
397 | return f; | |
398 | } | |
399 | ||
701b186e | 400 | struct mlxsw_sp_fid *mlxsw_sp_fid_create(struct mlxsw_sp *mlxsw_sp, u16 fid) |
14d39461 IS |
401 | { |
402 | struct mlxsw_sp_fid *f; | |
403 | int err; | |
404 | ||
405 | err = mlxsw_sp_fid_op(mlxsw_sp, fid, true); | |
406 | if (err) | |
407 | return ERR_PTR(err); | |
408 | ||
409 | /* Although all the ports member in the FID might be using a | |
410 | * {Port, VID} to FID mapping, we create a global VID-to-FID | |
411 | * mapping. This allows a port to transition to VLAN mode, | |
412 | * knowing the global mapping exists. | |
413 | */ | |
414 | err = mlxsw_sp_fid_map(mlxsw_sp, fid, true); | |
415 | if (err) | |
416 | goto err_fid_map; | |
417 | ||
418 | f = mlxsw_sp_fid_alloc(fid); | |
419 | if (!f) { | |
420 | err = -ENOMEM; | |
421 | goto err_allocate_fid; | |
422 | } | |
423 | ||
424 | list_add(&f->list, &mlxsw_sp->fids); | |
425 | ||
426 | return f; | |
427 | ||
428 | err_allocate_fid: | |
429 | mlxsw_sp_fid_map(mlxsw_sp, fid, false); | |
430 | err_fid_map: | |
431 | mlxsw_sp_fid_op(mlxsw_sp, fid, false); | |
432 | return ERR_PTR(err); | |
433 | } | |
434 | ||
701b186e | 435 | void mlxsw_sp_fid_destroy(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_fid *f) |
14d39461 IS |
436 | { |
437 | u16 fid = f->fid; | |
438 | ||
439 | list_del(&f->list); | |
440 | ||
99f44bb3 IS |
441 | if (f->r) |
442 | mlxsw_sp_rif_bridge_destroy(mlxsw_sp, f->r); | |
443 | ||
14d39461 IS |
444 | kfree(f); |
445 | ||
8168287b IS |
446 | mlxsw_sp_fid_map(mlxsw_sp, fid, false); |
447 | ||
14d39461 IS |
448 | mlxsw_sp_fid_op(mlxsw_sp, fid, false); |
449 | } | |
450 | ||
451 | static int __mlxsw_sp_port_fid_join(struct mlxsw_sp_port *mlxsw_sp_port, | |
452 | u16 fid) | |
453 | { | |
454 | struct mlxsw_sp_fid *f; | |
455 | ||
f1de7a28 IS |
456 | if (test_bit(fid, mlxsw_sp_port->active_vlans)) |
457 | return 0; | |
458 | ||
14d39461 IS |
459 | f = mlxsw_sp_fid_find(mlxsw_sp_port->mlxsw_sp, fid); |
460 | if (!f) { | |
461 | f = mlxsw_sp_fid_create(mlxsw_sp_port->mlxsw_sp, fid); | |
462 | if (IS_ERR(f)) | |
463 | return PTR_ERR(f); | |
464 | } | |
465 | ||
466 | f->ref_count++; | |
467 | ||
22305378 IS |
468 | netdev_dbg(mlxsw_sp_port->dev, "Joined FID=%d\n", fid); |
469 | ||
14d39461 IS |
470 | return 0; |
471 | } | |
472 | ||
473 | static void __mlxsw_sp_port_fid_leave(struct mlxsw_sp_port *mlxsw_sp_port, | |
474 | u16 fid) | |
475 | { | |
476 | struct mlxsw_sp_fid *f; | |
477 | ||
478 | f = mlxsw_sp_fid_find(mlxsw_sp_port->mlxsw_sp, fid); | |
479 | if (WARN_ON(!f)) | |
480 | return; | |
481 | ||
22305378 IS |
482 | netdev_dbg(mlxsw_sp_port->dev, "Left FID=%d\n", fid); |
483 | ||
fe3f6d14 IS |
484 | mlxsw_sp_port_fdb_flush(mlxsw_sp_port, fid); |
485 | ||
14d39461 IS |
486 | if (--f->ref_count == 0) |
487 | mlxsw_sp_fid_destroy(mlxsw_sp_port->mlxsw_sp, f); | |
488 | } | |
489 | ||
490 | static int mlxsw_sp_port_fid_map(struct mlxsw_sp_port *mlxsw_sp_port, u16 fid, | |
491 | bool valid) | |
492 | { | |
493 | enum mlxsw_reg_svfa_mt mt = MLXSW_REG_SVFA_MT_PORT_VID_TO_FID; | |
494 | ||
495 | /* If port doesn't have vPorts, then it can use the global | |
496 | * VID-to-FID mapping. | |
497 | */ | |
498 | if (list_empty(&mlxsw_sp_port->vports_list)) | |
499 | return 0; | |
500 | ||
501 | return mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, valid, fid, fid); | |
502 | } | |
503 | ||
504 | static int mlxsw_sp_port_fid_join(struct mlxsw_sp_port *mlxsw_sp_port, | |
505 | u16 fid_begin, u16 fid_end) | |
506 | { | |
507 | int fid, err; | |
508 | ||
509 | for (fid = fid_begin; fid <= fid_end; fid++) { | |
510 | err = __mlxsw_sp_port_fid_join(mlxsw_sp_port, fid); | |
511 | if (err) | |
512 | goto err_port_fid_join; | |
513 | } | |
514 | ||
515 | err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, fid_begin, fid_end, | |
aad8b6ba | 516 | mlxsw_sp_port->uc_flood, true); |
14d39461 IS |
517 | if (err) |
518 | goto err_port_flood_set; | |
519 | ||
520 | for (fid = fid_begin; fid <= fid_end; fid++) { | |
521 | err = mlxsw_sp_port_fid_map(mlxsw_sp_port, fid, true); | |
522 | if (err) | |
523 | goto err_port_fid_map; | |
524 | } | |
525 | ||
526 | return 0; | |
527 | ||
528 | err_port_fid_map: | |
529 | for (fid--; fid >= fid_begin; fid--) | |
530 | mlxsw_sp_port_fid_map(mlxsw_sp_port, fid, false); | |
531 | __mlxsw_sp_port_flood_set(mlxsw_sp_port, fid_begin, fid_end, false, | |
532 | false); | |
533 | err_port_flood_set: | |
534 | fid = fid_end; | |
535 | err_port_fid_join: | |
536 | for (fid--; fid >= fid_begin; fid--) | |
537 | __mlxsw_sp_port_fid_leave(mlxsw_sp_port, fid); | |
538 | return err; | |
539 | } | |
540 | ||
541 | static void mlxsw_sp_port_fid_leave(struct mlxsw_sp_port *mlxsw_sp_port, | |
542 | u16 fid_begin, u16 fid_end) | |
543 | { | |
544 | int fid; | |
545 | ||
546 | for (fid = fid_begin; fid <= fid_end; fid++) | |
547 | mlxsw_sp_port_fid_map(mlxsw_sp_port, fid, false); | |
548 | ||
549 | __mlxsw_sp_port_flood_set(mlxsw_sp_port, fid_begin, fid_end, false, | |
550 | false); | |
551 | ||
552 | for (fid = fid_begin; fid <= fid_end; fid++) | |
553 | __mlxsw_sp_port_fid_leave(mlxsw_sp_port, fid); | |
554 | } | |
555 | ||
28a01d2d IS |
556 | static int __mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, |
557 | u16 vid) | |
56ade8fe JP |
558 | { |
559 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
560 | char spvid_pl[MLXSW_REG_SPVID_LEN]; | |
561 | ||
562 | mlxsw_reg_spvid_pack(spvid_pl, mlxsw_sp_port->local_port, vid); | |
563 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvid), spvid_pl); | |
564 | } | |
565 | ||
28a01d2d IS |
566 | static int mlxsw_sp_port_allow_untagged_set(struct mlxsw_sp_port *mlxsw_sp_port, |
567 | bool allow) | |
568 | { | |
569 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
570 | char spaft_pl[MLXSW_REG_SPAFT_LEN]; | |
571 | ||
572 | mlxsw_reg_spaft_pack(spaft_pl, mlxsw_sp_port->local_port, allow); | |
573 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spaft), spaft_pl); | |
574 | } | |
575 | ||
576 | int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) | |
577 | { | |
578 | struct net_device *dev = mlxsw_sp_port->dev; | |
579 | int err; | |
580 | ||
581 | if (!vid) { | |
582 | err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, false); | |
583 | if (err) { | |
584 | netdev_err(dev, "Failed to disallow untagged traffic\n"); | |
585 | return err; | |
586 | } | |
587 | } else { | |
588 | err = __mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid); | |
589 | if (err) { | |
590 | netdev_err(dev, "Failed to set PVID\n"); | |
591 | return err; | |
592 | } | |
593 | ||
594 | /* Only allow if not already allowed. */ | |
595 | if (!mlxsw_sp_port->pvid) { | |
596 | err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, | |
597 | true); | |
598 | if (err) { | |
599 | netdev_err(dev, "Failed to allow untagged traffic\n"); | |
600 | goto err_port_allow_untagged_set; | |
601 | } | |
602 | } | |
603 | } | |
604 | ||
605 | mlxsw_sp_port->pvid = vid; | |
606 | return 0; | |
607 | ||
608 | err_port_allow_untagged_set: | |
609 | __mlxsw_sp_port_pvid_set(mlxsw_sp_port, mlxsw_sp_port->pvid); | |
610 | return err; | |
611 | } | |
612 | ||
3b7ad5ec IS |
613 | static int __mlxsw_sp_port_vlans_set(struct mlxsw_sp_port *mlxsw_sp_port, |
614 | u16 vid_begin, u16 vid_end, bool is_member, | |
615 | bool untagged) | |
616 | { | |
617 | u16 vid, vid_e; | |
618 | int err; | |
619 | ||
620 | for (vid = vid_begin; vid <= vid_end; | |
621 | vid += MLXSW_REG_SPVM_REC_MAX_COUNT) { | |
622 | vid_e = min((u16) (vid + MLXSW_REG_SPVM_REC_MAX_COUNT - 1), | |
623 | vid_end); | |
624 | ||
625 | err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid_e, | |
626 | is_member, untagged); | |
627 | if (err) | |
628 | return err; | |
629 | } | |
630 | ||
631 | return 0; | |
632 | } | |
633 | ||
56ade8fe JP |
634 | static int __mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port, |
635 | u16 vid_begin, u16 vid_end, | |
636 | bool flag_untagged, bool flag_pvid) | |
637 | { | |
56ade8fe | 638 | struct net_device *dev = mlxsw_sp_port->dev; |
14d39461 | 639 | u16 vid, old_pvid; |
56ade8fe JP |
640 | int err; |
641 | ||
56ade8fe | 642 | if (!mlxsw_sp_port->bridged) |
32d863fb | 643 | return -EINVAL; |
56ade8fe | 644 | |
14d39461 | 645 | err = mlxsw_sp_port_fid_join(mlxsw_sp_port, vid_begin, vid_end); |
1b3433a9 | 646 | if (err) { |
14d39461 IS |
647 | netdev_err(dev, "Failed to join FIDs\n"); |
648 | return err; | |
56ade8fe JP |
649 | } |
650 | ||
3b7ad5ec IS |
651 | err = __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, |
652 | true, flag_untagged); | |
653 | if (err) { | |
654 | netdev_err(dev, "Unable to add VIDs %d-%d\n", vid_begin, | |
655 | vid_end); | |
b07a966c | 656 | goto err_port_vlans_set; |
56ade8fe JP |
657 | } |
658 | ||
b07a966c IS |
659 | old_pvid = mlxsw_sp_port->pvid; |
660 | if (flag_pvid && old_pvid != vid_begin) { | |
661 | err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid_begin); | |
56ade8fe | 662 | if (err) { |
b07a966c IS |
663 | netdev_err(dev, "Unable to add PVID %d\n", vid_begin); |
664 | goto err_port_pvid_set; | |
56ade8fe | 665 | } |
28a01d2d IS |
666 | } else if (!flag_pvid && old_pvid >= vid_begin && old_pvid <= vid_end) { |
667 | err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, 0); | |
668 | if (err) { | |
669 | netdev_err(dev, "Unable to del PVID\n"); | |
670 | goto err_port_pvid_set; | |
671 | } | |
56ade8fe JP |
672 | } |
673 | ||
674 | /* Changing activity bits only if HW operation succeded */ | |
fc1273af | 675 | for (vid = vid_begin; vid <= vid_end; vid++) { |
56ade8fe | 676 | set_bit(vid, mlxsw_sp_port->active_vlans); |
fc1273af ER |
677 | if (flag_untagged) |
678 | set_bit(vid, mlxsw_sp_port->untagged_vlans); | |
679 | else | |
680 | clear_bit(vid, mlxsw_sp_port->untagged_vlans); | |
681 | } | |
56ade8fe | 682 | |
b07a966c IS |
683 | /* STP state change must be done after we set active VLANs */ |
684 | err = mlxsw_sp_port_stp_state_set(mlxsw_sp_port, | |
685 | mlxsw_sp_port->stp_state); | |
686 | if (err) { | |
687 | netdev_err(dev, "Failed to set STP state\n"); | |
688 | goto err_port_stp_state_set; | |
689 | } | |
690 | ||
691 | return 0; | |
692 | ||
b07a966c IS |
693 | err_port_stp_state_set: |
694 | for (vid = vid_begin; vid <= vid_end; vid++) | |
695 | clear_bit(vid, mlxsw_sp_port->active_vlans); | |
696 | if (old_pvid != mlxsw_sp_port->pvid) | |
697 | mlxsw_sp_port_pvid_set(mlxsw_sp_port, old_pvid); | |
698 | err_port_pvid_set: | |
699 | __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, false, | |
700 | false); | |
701 | err_port_vlans_set: | |
14d39461 | 702 | mlxsw_sp_port_fid_leave(mlxsw_sp_port, vid_begin, vid_end); |
b07a966c | 703 | return err; |
56ade8fe JP |
704 | } |
705 | ||
706 | static int mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port, | |
707 | const struct switchdev_obj_port_vlan *vlan, | |
708 | struct switchdev_trans *trans) | |
709 | { | |
e4a13055 ER |
710 | bool flag_untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED; |
711 | bool flag_pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID; | |
56ade8fe JP |
712 | |
713 | if (switchdev_trans_ph_prepare(trans)) | |
714 | return 0; | |
715 | ||
716 | return __mlxsw_sp_port_vlans_add(mlxsw_sp_port, | |
717 | vlan->vid_begin, vlan->vid_end, | |
e4a13055 | 718 | flag_untagged, flag_pvid); |
56ade8fe JP |
719 | } |
720 | ||
8a1ab5d7 | 721 | static enum mlxsw_reg_sfd_rec_policy mlxsw_sp_sfd_rec_policy(bool dynamic) |
56ade8fe | 722 | { |
8a1ab5d7 JP |
723 | return dynamic ? MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_INGRESS : |
724 | MLXSW_REG_SFD_REC_POLICY_STATIC_ENTRY; | |
725 | } | |
726 | ||
727 | static enum mlxsw_reg_sfd_op mlxsw_sp_sfd_op(bool adding) | |
728 | { | |
729 | return adding ? MLXSW_REG_SFD_OP_WRITE_EDIT : | |
730 | MLXSW_REG_SFD_OP_WRITE_REMOVE; | |
731 | } | |
732 | ||
6e095fd4 IS |
733 | static int __mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port, |
734 | const char *mac, u16 fid, bool adding, | |
735 | enum mlxsw_reg_sfd_rec_action action, | |
736 | bool dynamic) | |
8a1ab5d7 | 737 | { |
56ade8fe JP |
738 | char *sfd_pl; |
739 | int err; | |
740 | ||
56ade8fe JP |
741 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); |
742 | if (!sfd_pl) | |
743 | return -ENOMEM; | |
744 | ||
8a1ab5d7 JP |
745 | mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); |
746 | mlxsw_reg_sfd_uc_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic), | |
6e095fd4 | 747 | mac, fid, action, local_port); |
8a1ab5d7 JP |
748 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
749 | kfree(sfd_pl); | |
750 | ||
751 | return err; | |
752 | } | |
753 | ||
6e095fd4 IS |
754 | static int mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port, |
755 | const char *mac, u16 fid, bool adding, | |
756 | bool dynamic) | |
757 | { | |
758 | return __mlxsw_sp_port_fdb_uc_op(mlxsw_sp, local_port, mac, fid, adding, | |
759 | MLXSW_REG_SFD_REC_ACTION_NOP, dynamic); | |
760 | } | |
761 | ||
762 | int mlxsw_sp_rif_fdb_op(struct mlxsw_sp *mlxsw_sp, const char *mac, u16 fid, | |
763 | bool adding) | |
764 | { | |
765 | return __mlxsw_sp_port_fdb_uc_op(mlxsw_sp, 0, mac, fid, adding, | |
766 | MLXSW_REG_SFD_REC_ACTION_FORWARD_IP_ROUTER, | |
767 | false); | |
768 | } | |
769 | ||
8a1ab5d7 | 770 | static int mlxsw_sp_port_fdb_uc_lag_op(struct mlxsw_sp *mlxsw_sp, u16 lag_id, |
64771e31 IS |
771 | const char *mac, u16 fid, u16 lag_vid, |
772 | bool adding, bool dynamic) | |
8a1ab5d7 JP |
773 | { |
774 | char *sfd_pl; | |
775 | int err; | |
776 | ||
777 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); | |
778 | if (!sfd_pl) | |
779 | return -ENOMEM; | |
780 | ||
781 | mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); | |
782 | mlxsw_reg_sfd_uc_lag_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic), | |
64771e31 IS |
783 | mac, fid, MLXSW_REG_SFD_REC_ACTION_NOP, |
784 | lag_vid, lag_id); | |
8a1ab5d7 | 785 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
56ade8fe JP |
786 | kfree(sfd_pl); |
787 | ||
788 | return err; | |
789 | } | |
790 | ||
791 | static int | |
792 | mlxsw_sp_port_fdb_static_add(struct mlxsw_sp_port *mlxsw_sp_port, | |
793 | const struct switchdev_obj_port_fdb *fdb, | |
794 | struct switchdev_trans *trans) | |
795 | { | |
e4b6f693 | 796 | u16 fid = mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port, fdb->vid); |
64771e31 | 797 | u16 lag_vid = 0; |
8a1ab5d7 | 798 | |
56ade8fe JP |
799 | if (switchdev_trans_ph_prepare(trans)) |
800 | return 0; | |
801 | ||
54a73201 | 802 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
64771e31 | 803 | lag_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port); |
54a73201 IS |
804 | } |
805 | ||
8a1ab5d7 | 806 | if (!mlxsw_sp_port->lagged) |
2fa9d45e JP |
807 | return mlxsw_sp_port_fdb_uc_op(mlxsw_sp_port->mlxsw_sp, |
808 | mlxsw_sp_port->local_port, | |
9de6a80e | 809 | fdb->addr, fid, true, false); |
8a1ab5d7 JP |
810 | else |
811 | return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp_port->mlxsw_sp, | |
812 | mlxsw_sp_port->lag_id, | |
64771e31 IS |
813 | fdb->addr, fid, lag_vid, |
814 | true, false); | |
56ade8fe JP |
815 | } |
816 | ||
3a49b4fd ER |
817 | static int mlxsw_sp_port_mdb_op(struct mlxsw_sp *mlxsw_sp, const char *addr, |
818 | u16 fid, u16 mid, bool adding) | |
819 | { | |
820 | char *sfd_pl; | |
821 | int err; | |
822 | ||
823 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); | |
824 | if (!sfd_pl) | |
825 | return -ENOMEM; | |
826 | ||
827 | mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); | |
828 | mlxsw_reg_sfd_mc_pack(sfd_pl, 0, addr, fid, | |
829 | MLXSW_REG_SFD_REC_ACTION_NOP, mid); | |
830 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); | |
831 | kfree(sfd_pl); | |
832 | return err; | |
833 | } | |
834 | ||
835 | static int mlxsw_sp_port_smid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 mid, | |
836 | bool add, bool clear_all_ports) | |
837 | { | |
838 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
839 | char *smid_pl; | |
840 | int err, i; | |
841 | ||
842 | smid_pl = kmalloc(MLXSW_REG_SMID_LEN, GFP_KERNEL); | |
843 | if (!smid_pl) | |
844 | return -ENOMEM; | |
845 | ||
846 | mlxsw_reg_smid_pack(smid_pl, mid, mlxsw_sp_port->local_port, add); | |
847 | if (clear_all_ports) { | |
848 | for (i = 1; i < MLXSW_PORT_MAX_PORTS; i++) | |
849 | if (mlxsw_sp->ports[i]) | |
850 | mlxsw_reg_smid_port_mask_set(smid_pl, i, 1); | |
851 | } | |
852 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(smid), smid_pl); | |
853 | kfree(smid_pl); | |
854 | return err; | |
855 | } | |
856 | ||
857 | static struct mlxsw_sp_mid *__mlxsw_sp_mc_get(struct mlxsw_sp *mlxsw_sp, | |
858 | const unsigned char *addr, | |
859 | u16 vid) | |
860 | { | |
861 | struct mlxsw_sp_mid *mid; | |
862 | ||
863 | list_for_each_entry(mid, &mlxsw_sp->br_mids.list, list) { | |
864 | if (ether_addr_equal(mid->addr, addr) && mid->vid == vid) | |
865 | return mid; | |
866 | } | |
867 | return NULL; | |
868 | } | |
869 | ||
870 | static struct mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp, | |
871 | const unsigned char *addr, | |
872 | u16 vid) | |
873 | { | |
874 | struct mlxsw_sp_mid *mid; | |
875 | u16 mid_idx; | |
876 | ||
877 | mid_idx = find_first_zero_bit(mlxsw_sp->br_mids.mapped, | |
878 | MLXSW_SP_MID_MAX); | |
879 | if (mid_idx == MLXSW_SP_MID_MAX) | |
880 | return NULL; | |
881 | ||
882 | mid = kzalloc(sizeof(*mid), GFP_KERNEL); | |
883 | if (!mid) | |
884 | return NULL; | |
885 | ||
886 | set_bit(mid_idx, mlxsw_sp->br_mids.mapped); | |
887 | ether_addr_copy(mid->addr, addr); | |
888 | mid->vid = vid; | |
889 | mid->mid = mid_idx; | |
890 | mid->ref_count = 0; | |
891 | list_add_tail(&mid->list, &mlxsw_sp->br_mids.list); | |
892 | ||
893 | return mid; | |
894 | } | |
895 | ||
896 | static int __mlxsw_sp_mc_dec_ref(struct mlxsw_sp *mlxsw_sp, | |
897 | struct mlxsw_sp_mid *mid) | |
898 | { | |
899 | if (--mid->ref_count == 0) { | |
900 | list_del(&mid->list); | |
901 | clear_bit(mid->mid, mlxsw_sp->br_mids.mapped); | |
902 | kfree(mid); | |
903 | return 1; | |
904 | } | |
905 | return 0; | |
906 | } | |
907 | ||
908 | static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port, | |
909 | const struct switchdev_obj_port_mdb *mdb, | |
910 | struct switchdev_trans *trans) | |
911 | { | |
912 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
913 | struct net_device *dev = mlxsw_sp_port->dev; | |
914 | struct mlxsw_sp_mid *mid; | |
915 | u16 fid = mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port, mdb->vid); | |
916 | int err = 0; | |
917 | ||
918 | if (switchdev_trans_ph_prepare(trans)) | |
919 | return 0; | |
920 | ||
921 | mid = __mlxsw_sp_mc_get(mlxsw_sp, mdb->addr, mdb->vid); | |
922 | if (!mid) { | |
923 | mid = __mlxsw_sp_mc_alloc(mlxsw_sp, mdb->addr, mdb->vid); | |
924 | if (!mid) { | |
925 | netdev_err(dev, "Unable to allocate MC group\n"); | |
926 | return -ENOMEM; | |
927 | } | |
928 | } | |
929 | mid->ref_count++; | |
930 | ||
931 | err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, true, | |
932 | mid->ref_count == 1); | |
933 | if (err) { | |
934 | netdev_err(dev, "Unable to set SMID\n"); | |
935 | goto err_out; | |
936 | } | |
937 | ||
938 | if (mid->ref_count == 1) { | |
939 | err = mlxsw_sp_port_mdb_op(mlxsw_sp, mdb->addr, fid, mid->mid, | |
940 | true); | |
941 | if (err) { | |
942 | netdev_err(dev, "Unable to set MC SFD\n"); | |
943 | goto err_out; | |
944 | } | |
945 | } | |
946 | ||
947 | return 0; | |
948 | ||
949 | err_out: | |
950 | __mlxsw_sp_mc_dec_ref(mlxsw_sp, mid); | |
951 | return err; | |
952 | } | |
953 | ||
56ade8fe JP |
954 | static int mlxsw_sp_port_obj_add(struct net_device *dev, |
955 | const struct switchdev_obj *obj, | |
956 | struct switchdev_trans *trans) | |
957 | { | |
958 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
959 | int err = 0; | |
960 | ||
54a73201 IS |
961 | mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port); |
962 | if (!mlxsw_sp_port) | |
963 | return -EINVAL; | |
964 | ||
56ade8fe JP |
965 | switch (obj->id) { |
966 | case SWITCHDEV_OBJ_ID_PORT_VLAN: | |
54a73201 IS |
967 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) |
968 | return 0; | |
969 | ||
56ade8fe JP |
970 | err = mlxsw_sp_port_vlans_add(mlxsw_sp_port, |
971 | SWITCHDEV_OBJ_PORT_VLAN(obj), | |
972 | trans); | |
973 | break; | |
61c503f9 JP |
974 | case SWITCHDEV_OBJ_ID_IPV4_FIB: |
975 | err = mlxsw_sp_router_fib4_add(mlxsw_sp_port, | |
976 | SWITCHDEV_OBJ_IPV4_FIB(obj), | |
977 | trans); | |
978 | break; | |
56ade8fe JP |
979 | case SWITCHDEV_OBJ_ID_PORT_FDB: |
980 | err = mlxsw_sp_port_fdb_static_add(mlxsw_sp_port, | |
981 | SWITCHDEV_OBJ_PORT_FDB(obj), | |
982 | trans); | |
983 | break; | |
3a49b4fd ER |
984 | case SWITCHDEV_OBJ_ID_PORT_MDB: |
985 | err = mlxsw_sp_port_mdb_add(mlxsw_sp_port, | |
986 | SWITCHDEV_OBJ_PORT_MDB(obj), | |
987 | trans); | |
988 | break; | |
56ade8fe JP |
989 | default: |
990 | err = -EOPNOTSUPP; | |
991 | break; | |
992 | } | |
993 | ||
994 | return err; | |
995 | } | |
996 | ||
56ade8fe | 997 | static int __mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port, |
05978481 | 998 | u16 vid_begin, u16 vid_end) |
56ade8fe JP |
999 | { |
1000 | struct net_device *dev = mlxsw_sp_port->dev; | |
3b7ad5ec | 1001 | u16 vid, pvid; |
56ade8fe JP |
1002 | int err; |
1003 | ||
05978481 | 1004 | if (!mlxsw_sp_port->bridged) |
32d863fb | 1005 | return -EINVAL; |
56ade8fe | 1006 | |
3b7ad5ec IS |
1007 | err = __mlxsw_sp_port_vlans_set(mlxsw_sp_port, vid_begin, vid_end, |
1008 | false, false); | |
1009 | if (err) { | |
1010 | netdev_err(dev, "Unable to del VIDs %d-%d\n", vid_begin, | |
1011 | vid_end); | |
1012 | return err; | |
56ade8fe JP |
1013 | } |
1014 | ||
06c071f6 | 1015 | pvid = mlxsw_sp_port->pvid; |
28a01d2d IS |
1016 | if (pvid >= vid_begin && pvid <= vid_end) { |
1017 | err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, 0); | |
56ade8fe | 1018 | if (err) { |
06c071f6 | 1019 | netdev_err(dev, "Unable to del PVID %d\n", pvid); |
56ade8fe JP |
1020 | return err; |
1021 | } | |
1022 | } | |
1023 | ||
14d39461 | 1024 | mlxsw_sp_port_fid_leave(mlxsw_sp_port, vid_begin, vid_end); |
56ade8fe | 1025 | |
56ade8fe JP |
1026 | /* Changing activity bits only if HW operation succeded */ |
1027 | for (vid = vid_begin; vid <= vid_end; vid++) | |
1028 | clear_bit(vid, mlxsw_sp_port->active_vlans); | |
1029 | ||
1030 | return 0; | |
1031 | } | |
1032 | ||
1033 | static int mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port, | |
1034 | const struct switchdev_obj_port_vlan *vlan) | |
1035 | { | |
05978481 IS |
1036 | return __mlxsw_sp_port_vlans_del(mlxsw_sp_port, vlan->vid_begin, |
1037 | vlan->vid_end); | |
56ade8fe JP |
1038 | } |
1039 | ||
4dc236c3 IS |
1040 | void mlxsw_sp_port_active_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port) |
1041 | { | |
1042 | u16 vid; | |
1043 | ||
1044 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) | |
05978481 | 1045 | __mlxsw_sp_port_vlans_del(mlxsw_sp_port, vid, vid); |
4dc236c3 IS |
1046 | } |
1047 | ||
56ade8fe JP |
1048 | static int |
1049 | mlxsw_sp_port_fdb_static_del(struct mlxsw_sp_port *mlxsw_sp_port, | |
1050 | const struct switchdev_obj_port_fdb *fdb) | |
1051 | { | |
e4b6f693 | 1052 | u16 fid = mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port, fdb->vid); |
64771e31 | 1053 | u16 lag_vid = 0; |
9de6a80e | 1054 | |
54a73201 | 1055 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
64771e31 | 1056 | lag_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port); |
54a73201 IS |
1057 | } |
1058 | ||
8a1ab5d7 | 1059 | if (!mlxsw_sp_port->lagged) |
2fa9d45e JP |
1060 | return mlxsw_sp_port_fdb_uc_op(mlxsw_sp_port->mlxsw_sp, |
1061 | mlxsw_sp_port->local_port, | |
9de6a80e | 1062 | fdb->addr, fid, |
8a1ab5d7 JP |
1063 | false, false); |
1064 | else | |
1065 | return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp_port->mlxsw_sp, | |
1066 | mlxsw_sp_port->lag_id, | |
64771e31 | 1067 | fdb->addr, fid, lag_vid, |
8a1ab5d7 | 1068 | false, false); |
56ade8fe JP |
1069 | } |
1070 | ||
3a49b4fd ER |
1071 | static int mlxsw_sp_port_mdb_del(struct mlxsw_sp_port *mlxsw_sp_port, |
1072 | const struct switchdev_obj_port_mdb *mdb) | |
1073 | { | |
1074 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1075 | struct net_device *dev = mlxsw_sp_port->dev; | |
1076 | struct mlxsw_sp_mid *mid; | |
1077 | u16 fid = mlxsw_sp_port_vid_to_fid_get(mlxsw_sp_port, mdb->vid); | |
1078 | u16 mid_idx; | |
1079 | int err = 0; | |
1080 | ||
1081 | mid = __mlxsw_sp_mc_get(mlxsw_sp, mdb->addr, mdb->vid); | |
1082 | if (!mid) { | |
1083 | netdev_err(dev, "Unable to remove port from MC DB\n"); | |
1084 | return -EINVAL; | |
1085 | } | |
1086 | ||
1087 | err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, false, false); | |
1088 | if (err) | |
1089 | netdev_err(dev, "Unable to remove port from SMID\n"); | |
1090 | ||
1091 | mid_idx = mid->mid; | |
1092 | if (__mlxsw_sp_mc_dec_ref(mlxsw_sp, mid)) { | |
1093 | err = mlxsw_sp_port_mdb_op(mlxsw_sp, mdb->addr, fid, mid_idx, | |
1094 | false); | |
1095 | if (err) | |
1096 | netdev_err(dev, "Unable to remove MC SFD\n"); | |
1097 | } | |
1098 | ||
1099 | return err; | |
1100 | } | |
1101 | ||
56ade8fe JP |
1102 | static int mlxsw_sp_port_obj_del(struct net_device *dev, |
1103 | const struct switchdev_obj *obj) | |
1104 | { | |
1105 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
1106 | int err = 0; | |
1107 | ||
54a73201 IS |
1108 | mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port); |
1109 | if (!mlxsw_sp_port) | |
1110 | return -EINVAL; | |
1111 | ||
56ade8fe JP |
1112 | switch (obj->id) { |
1113 | case SWITCHDEV_OBJ_ID_PORT_VLAN: | |
54a73201 IS |
1114 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) |
1115 | return 0; | |
1116 | ||
56ade8fe JP |
1117 | err = mlxsw_sp_port_vlans_del(mlxsw_sp_port, |
1118 | SWITCHDEV_OBJ_PORT_VLAN(obj)); | |
1119 | break; | |
61c503f9 JP |
1120 | case SWITCHDEV_OBJ_ID_IPV4_FIB: |
1121 | err = mlxsw_sp_router_fib4_del(mlxsw_sp_port, | |
1122 | SWITCHDEV_OBJ_IPV4_FIB(obj)); | |
1123 | break; | |
56ade8fe JP |
1124 | case SWITCHDEV_OBJ_ID_PORT_FDB: |
1125 | err = mlxsw_sp_port_fdb_static_del(mlxsw_sp_port, | |
1126 | SWITCHDEV_OBJ_PORT_FDB(obj)); | |
1127 | break; | |
3a49b4fd ER |
1128 | case SWITCHDEV_OBJ_ID_PORT_MDB: |
1129 | err = mlxsw_sp_port_mdb_del(mlxsw_sp_port, | |
1130 | SWITCHDEV_OBJ_PORT_MDB(obj)); | |
00ae40e7 | 1131 | break; |
56ade8fe JP |
1132 | default: |
1133 | err = -EOPNOTSUPP; | |
1134 | break; | |
1135 | } | |
1136 | ||
1137 | return err; | |
1138 | } | |
1139 | ||
8a1ab5d7 JP |
1140 | static struct mlxsw_sp_port *mlxsw_sp_lag_rep_port(struct mlxsw_sp *mlxsw_sp, |
1141 | u16 lag_id) | |
1142 | { | |
1143 | struct mlxsw_sp_port *mlxsw_sp_port; | |
1144 | int i; | |
1145 | ||
1146 | for (i = 0; i < MLXSW_SP_PORT_PER_LAG_MAX; i++) { | |
1147 | mlxsw_sp_port = mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i); | |
1148 | if (mlxsw_sp_port) | |
1149 | return mlxsw_sp_port; | |
1150 | } | |
1151 | return NULL; | |
1152 | } | |
1153 | ||
56ade8fe JP |
1154 | static int mlxsw_sp_port_fdb_dump(struct mlxsw_sp_port *mlxsw_sp_port, |
1155 | struct switchdev_obj_port_fdb *fdb, | |
304f5158 IS |
1156 | switchdev_obj_dump_cb_t *cb, |
1157 | struct net_device *orig_dev) | |
56ade8fe | 1158 | { |
8a1ab5d7 | 1159 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; |
3f47f867 | 1160 | struct mlxsw_sp_port *tmp; |
56918b6b IS |
1161 | struct mlxsw_sp_fid *f; |
1162 | u16 vport_fid; | |
56ade8fe JP |
1163 | char *sfd_pl; |
1164 | char mac[ETH_ALEN]; | |
9de6a80e | 1165 | u16 fid; |
56ade8fe | 1166 | u8 local_port; |
8a1ab5d7 | 1167 | u16 lag_id; |
56ade8fe JP |
1168 | u8 num_rec; |
1169 | int stored_err = 0; | |
1170 | int i; | |
1171 | int err; | |
1172 | ||
1173 | sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); | |
1174 | if (!sfd_pl) | |
1175 | return -ENOMEM; | |
1176 | ||
56918b6b IS |
1177 | f = mlxsw_sp_vport_fid_get(mlxsw_sp_port); |
1178 | vport_fid = f ? f->fid : 0; | |
54a73201 | 1179 | |
56ade8fe JP |
1180 | mlxsw_reg_sfd_pack(sfd_pl, MLXSW_REG_SFD_OP_QUERY_DUMP, 0); |
1181 | do { | |
1182 | mlxsw_reg_sfd_num_rec_set(sfd_pl, MLXSW_REG_SFD_REC_MAX_COUNT); | |
8a1ab5d7 | 1183 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); |
56ade8fe JP |
1184 | if (err) |
1185 | goto out; | |
1186 | ||
1187 | num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl); | |
1188 | ||
1189 | /* Even in case of error, we have to run the dump to the end | |
1190 | * so the session in firmware is finished. | |
1191 | */ | |
1192 | if (stored_err) | |
1193 | continue; | |
1194 | ||
1195 | for (i = 0; i < num_rec; i++) { | |
1196 | switch (mlxsw_reg_sfd_rec_type_get(sfd_pl, i)) { | |
1197 | case MLXSW_REG_SFD_REC_TYPE_UNICAST: | |
9de6a80e | 1198 | mlxsw_reg_sfd_uc_unpack(sfd_pl, i, mac, &fid, |
56ade8fe JP |
1199 | &local_port); |
1200 | if (local_port == mlxsw_sp_port->local_port) { | |
004f85ea IS |
1201 | if (vport_fid && vport_fid == fid) |
1202 | fdb->vid = 0; | |
1203 | else if (!vport_fid && | |
1204 | !mlxsw_sp_fid_is_vfid(fid)) | |
54a73201 | 1205 | fdb->vid = fid; |
004f85ea IS |
1206 | else |
1207 | continue; | |
56ade8fe JP |
1208 | ether_addr_copy(fdb->addr, mac); |
1209 | fdb->ndm_state = NUD_REACHABLE; | |
56ade8fe JP |
1210 | err = cb(&fdb->obj); |
1211 | if (err) | |
1212 | stored_err = err; | |
1213 | } | |
8a1ab5d7 JP |
1214 | break; |
1215 | case MLXSW_REG_SFD_REC_TYPE_UNICAST_LAG: | |
1216 | mlxsw_reg_sfd_uc_lag_unpack(sfd_pl, i, | |
9de6a80e | 1217 | mac, &fid, &lag_id); |
3f47f867 IS |
1218 | tmp = mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id); |
1219 | if (tmp && tmp->local_port == | |
1220 | mlxsw_sp_port->local_port) { | |
304f5158 IS |
1221 | /* LAG records can only point to LAG |
1222 | * devices or VLAN devices on top. | |
1223 | */ | |
1224 | if (!netif_is_lag_master(orig_dev) && | |
1225 | !is_vlan_dev(orig_dev)) | |
1226 | continue; | |
004f85ea IS |
1227 | if (vport_fid && vport_fid == fid) |
1228 | fdb->vid = 0; | |
1229 | else if (!vport_fid && | |
1230 | !mlxsw_sp_fid_is_vfid(fid)) | |
54a73201 | 1231 | fdb->vid = fid; |
004f85ea IS |
1232 | else |
1233 | continue; | |
8a1ab5d7 JP |
1234 | ether_addr_copy(fdb->addr, mac); |
1235 | fdb->ndm_state = NUD_REACHABLE; | |
8a1ab5d7 JP |
1236 | err = cb(&fdb->obj); |
1237 | if (err) | |
1238 | stored_err = err; | |
1239 | } | |
1240 | break; | |
56ade8fe JP |
1241 | } |
1242 | } | |
1243 | } while (num_rec == MLXSW_REG_SFD_REC_MAX_COUNT); | |
1244 | ||
1245 | out: | |
1246 | kfree(sfd_pl); | |
1247 | return stored_err ? stored_err : err; | |
1248 | } | |
1249 | ||
1250 | static int mlxsw_sp_port_vlan_dump(struct mlxsw_sp_port *mlxsw_sp_port, | |
1251 | struct switchdev_obj_port_vlan *vlan, | |
1252 | switchdev_obj_dump_cb_t *cb) | |
1253 | { | |
1254 | u16 vid; | |
1255 | int err = 0; | |
1256 | ||
54a73201 IS |
1257 | if (mlxsw_sp_port_is_vport(mlxsw_sp_port)) { |
1258 | vlan->flags = 0; | |
1259 | vlan->vid_begin = mlxsw_sp_vport_vid_get(mlxsw_sp_port); | |
1260 | vlan->vid_end = mlxsw_sp_vport_vid_get(mlxsw_sp_port); | |
1261 | return cb(&vlan->obj); | |
1262 | } | |
1263 | ||
56ade8fe JP |
1264 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) { |
1265 | vlan->flags = 0; | |
1266 | if (vid == mlxsw_sp_port->pvid) | |
1267 | vlan->flags |= BRIDGE_VLAN_INFO_PVID; | |
fc1273af ER |
1268 | if (test_bit(vid, mlxsw_sp_port->untagged_vlans)) |
1269 | vlan->flags |= BRIDGE_VLAN_INFO_UNTAGGED; | |
56ade8fe JP |
1270 | vlan->vid_begin = vid; |
1271 | vlan->vid_end = vid; | |
1272 | err = cb(&vlan->obj); | |
1273 | if (err) | |
1274 | break; | |
1275 | } | |
1276 | return err; | |
1277 | } | |
1278 | ||
1279 | static int mlxsw_sp_port_obj_dump(struct net_device *dev, | |
1280 | struct switchdev_obj *obj, | |
1281 | switchdev_obj_dump_cb_t *cb) | |
1282 | { | |
1283 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
1284 | int err = 0; | |
1285 | ||
54a73201 IS |
1286 | mlxsw_sp_port = mlxsw_sp_port_orig_get(obj->orig_dev, mlxsw_sp_port); |
1287 | if (!mlxsw_sp_port) | |
1288 | return -EINVAL; | |
1289 | ||
56ade8fe JP |
1290 | switch (obj->id) { |
1291 | case SWITCHDEV_OBJ_ID_PORT_VLAN: | |
1292 | err = mlxsw_sp_port_vlan_dump(mlxsw_sp_port, | |
1293 | SWITCHDEV_OBJ_PORT_VLAN(obj), cb); | |
1294 | break; | |
1295 | case SWITCHDEV_OBJ_ID_PORT_FDB: | |
1296 | err = mlxsw_sp_port_fdb_dump(mlxsw_sp_port, | |
304f5158 IS |
1297 | SWITCHDEV_OBJ_PORT_FDB(obj), cb, |
1298 | obj->orig_dev); | |
56ade8fe JP |
1299 | break; |
1300 | default: | |
1301 | err = -EOPNOTSUPP; | |
1302 | break; | |
1303 | } | |
1304 | ||
1305 | return err; | |
1306 | } | |
1307 | ||
c7070fc4 | 1308 | static const struct switchdev_ops mlxsw_sp_port_switchdev_ops = { |
56ade8fe JP |
1309 | .switchdev_port_attr_get = mlxsw_sp_port_attr_get, |
1310 | .switchdev_port_attr_set = mlxsw_sp_port_attr_set, | |
1311 | .switchdev_port_obj_add = mlxsw_sp_port_obj_add, | |
1312 | .switchdev_port_obj_del = mlxsw_sp_port_obj_del, | |
1313 | .switchdev_port_obj_dump = mlxsw_sp_port_obj_dump, | |
1314 | }; | |
1315 | ||
45827d78 IS |
1316 | static void mlxsw_sp_fdb_call_notifiers(bool learning_sync, bool adding, |
1317 | char *mac, u16 vid, | |
8a1ab5d7 JP |
1318 | struct net_device *dev) |
1319 | { | |
1320 | struct switchdev_notifier_fdb_info info; | |
1321 | unsigned long notifier_type; | |
1322 | ||
45827d78 | 1323 | if (learning_sync) { |
8a1ab5d7 JP |
1324 | info.addr = mac; |
1325 | info.vid = vid; | |
1326 | notifier_type = adding ? SWITCHDEV_FDB_ADD : SWITCHDEV_FDB_DEL; | |
1327 | call_switchdev_notifiers(notifier_type, dev, &info.info); | |
1328 | } | |
1329 | } | |
1330 | ||
56ade8fe JP |
1331 | static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp, |
1332 | char *sfn_pl, int rec_index, | |
1333 | bool adding) | |
1334 | { | |
1335 | struct mlxsw_sp_port *mlxsw_sp_port; | |
1336 | char mac[ETH_ALEN]; | |
1337 | u8 local_port; | |
9de6a80e | 1338 | u16 vid, fid; |
12f1501e | 1339 | bool do_notification = true; |
56ade8fe JP |
1340 | int err; |
1341 | ||
9de6a80e | 1342 | mlxsw_reg_sfn_mac_unpack(sfn_pl, rec_index, mac, &fid, &local_port); |
56ade8fe JP |
1343 | mlxsw_sp_port = mlxsw_sp->ports[local_port]; |
1344 | if (!mlxsw_sp_port) { | |
1345 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Incorrect local port in FDB notification\n"); | |
12f1501e | 1346 | goto just_remove; |
56ade8fe JP |
1347 | } |
1348 | ||
aac78a44 | 1349 | if (mlxsw_sp_fid_is_vfid(fid)) { |
aac78a44 IS |
1350 | struct mlxsw_sp_port *mlxsw_sp_vport; |
1351 | ||
d0ec875a IS |
1352 | mlxsw_sp_vport = mlxsw_sp_port_vport_find_by_fid(mlxsw_sp_port, |
1353 | fid); | |
aac78a44 IS |
1354 | if (!mlxsw_sp_vport) { |
1355 | netdev_err(mlxsw_sp_port->dev, "Failed to find a matching vPort following FDB notification\n"); | |
12f1501e | 1356 | goto just_remove; |
aac78a44 | 1357 | } |
004f85ea | 1358 | vid = 0; |
aac78a44 IS |
1359 | /* Override the physical port with the vPort. */ |
1360 | mlxsw_sp_port = mlxsw_sp_vport; | |
1361 | } else { | |
1362 | vid = fid; | |
1363 | } | |
1364 | ||
12f1501e JP |
1365 | adding = adding && mlxsw_sp_port->learning; |
1366 | ||
1367 | do_fdb_op: | |
2fa9d45e | 1368 | err = mlxsw_sp_port_fdb_uc_op(mlxsw_sp, local_port, mac, fid, |
12f1501e | 1369 | adding, true); |
56ade8fe JP |
1370 | if (err) { |
1371 | if (net_ratelimit()) | |
1372 | netdev_err(mlxsw_sp_port->dev, "Failed to set FDB entry\n"); | |
1373 | return; | |
1374 | } | |
1375 | ||
12f1501e JP |
1376 | if (!do_notification) |
1377 | return; | |
45827d78 | 1378 | mlxsw_sp_fdb_call_notifiers(mlxsw_sp_port->learning_sync, |
8a1ab5d7 | 1379 | adding, mac, vid, mlxsw_sp_port->dev); |
12f1501e JP |
1380 | return; |
1381 | ||
1382 | just_remove: | |
1383 | adding = false; | |
1384 | do_notification = false; | |
1385 | goto do_fdb_op; | |
8a1ab5d7 | 1386 | } |
56ade8fe | 1387 | |
8a1ab5d7 JP |
1388 | static void mlxsw_sp_fdb_notify_mac_lag_process(struct mlxsw_sp *mlxsw_sp, |
1389 | char *sfn_pl, int rec_index, | |
1390 | bool adding) | |
1391 | { | |
1392 | struct mlxsw_sp_port *mlxsw_sp_port; | |
e43aca22 | 1393 | struct net_device *dev; |
8a1ab5d7 | 1394 | char mac[ETH_ALEN]; |
64771e31 | 1395 | u16 lag_vid = 0; |
8a1ab5d7 | 1396 | u16 lag_id; |
9de6a80e | 1397 | u16 vid, fid; |
12f1501e | 1398 | bool do_notification = true; |
8a1ab5d7 JP |
1399 | int err; |
1400 | ||
9de6a80e | 1401 | mlxsw_reg_sfn_mac_lag_unpack(sfn_pl, rec_index, mac, &fid, &lag_id); |
8a1ab5d7 JP |
1402 | mlxsw_sp_port = mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id); |
1403 | if (!mlxsw_sp_port) { | |
1404 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Cannot find port representor for LAG\n"); | |
12f1501e | 1405 | goto just_remove; |
56ade8fe | 1406 | } |
8a1ab5d7 | 1407 | |
aac78a44 | 1408 | if (mlxsw_sp_fid_is_vfid(fid)) { |
aac78a44 IS |
1409 | struct mlxsw_sp_port *mlxsw_sp_vport; |
1410 | ||
d0ec875a IS |
1411 | mlxsw_sp_vport = mlxsw_sp_port_vport_find_by_fid(mlxsw_sp_port, |
1412 | fid); | |
aac78a44 IS |
1413 | if (!mlxsw_sp_vport) { |
1414 | netdev_err(mlxsw_sp_port->dev, "Failed to find a matching vPort following FDB notification\n"); | |
12f1501e | 1415 | goto just_remove; |
aac78a44 IS |
1416 | } |
1417 | ||
004f85ea | 1418 | lag_vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport); |
e43aca22 | 1419 | dev = mlxsw_sp_vport->dev; |
004f85ea | 1420 | vid = 0; |
aac78a44 IS |
1421 | /* Override the physical port with the vPort. */ |
1422 | mlxsw_sp_port = mlxsw_sp_vport; | |
1423 | } else { | |
e43aca22 | 1424 | dev = mlxsw_sp_lag_get(mlxsw_sp, lag_id)->dev; |
aac78a44 IS |
1425 | vid = fid; |
1426 | } | |
1427 | ||
12f1501e JP |
1428 | adding = adding && mlxsw_sp_port->learning; |
1429 | ||
1430 | do_fdb_op: | |
64771e31 | 1431 | err = mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp, lag_id, mac, fid, lag_vid, |
12f1501e | 1432 | adding, true); |
8a1ab5d7 JP |
1433 | if (err) { |
1434 | if (net_ratelimit()) | |
1435 | netdev_err(mlxsw_sp_port->dev, "Failed to set FDB entry\n"); | |
1436 | return; | |
1437 | } | |
1438 | ||
12f1501e JP |
1439 | if (!do_notification) |
1440 | return; | |
45827d78 | 1441 | mlxsw_sp_fdb_call_notifiers(mlxsw_sp_port->learning_sync, adding, mac, |
e43aca22 | 1442 | vid, dev); |
12f1501e JP |
1443 | return; |
1444 | ||
1445 | just_remove: | |
1446 | adding = false; | |
1447 | do_notification = false; | |
1448 | goto do_fdb_op; | |
56ade8fe JP |
1449 | } |
1450 | ||
1451 | static void mlxsw_sp_fdb_notify_rec_process(struct mlxsw_sp *mlxsw_sp, | |
1452 | char *sfn_pl, int rec_index) | |
1453 | { | |
1454 | switch (mlxsw_reg_sfn_rec_type_get(sfn_pl, rec_index)) { | |
1455 | case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC: | |
1456 | mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl, | |
1457 | rec_index, true); | |
1458 | break; | |
1459 | case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC: | |
1460 | mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl, | |
1461 | rec_index, false); | |
1462 | break; | |
8a1ab5d7 JP |
1463 | case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC_LAG: |
1464 | mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl, | |
1465 | rec_index, true); | |
1466 | break; | |
1467 | case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC_LAG: | |
1468 | mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl, | |
1469 | rec_index, false); | |
1470 | break; | |
56ade8fe JP |
1471 | } |
1472 | } | |
1473 | ||
1474 | static void mlxsw_sp_fdb_notify_work_schedule(struct mlxsw_sp *mlxsw_sp) | |
1475 | { | |
dd9bdb04 JP |
1476 | mlxsw_core_schedule_dw(&mlxsw_sp->fdb_notify.dw, |
1477 | msecs_to_jiffies(mlxsw_sp->fdb_notify.interval)); | |
56ade8fe JP |
1478 | } |
1479 | ||
1480 | static void mlxsw_sp_fdb_notify_work(struct work_struct *work) | |
1481 | { | |
1482 | struct mlxsw_sp *mlxsw_sp; | |
1483 | char *sfn_pl; | |
1484 | u8 num_rec; | |
1485 | int i; | |
1486 | int err; | |
1487 | ||
1488 | sfn_pl = kmalloc(MLXSW_REG_SFN_LEN, GFP_KERNEL); | |
1489 | if (!sfn_pl) | |
1490 | return; | |
1491 | ||
1492 | mlxsw_sp = container_of(work, struct mlxsw_sp, fdb_notify.dw.work); | |
1493 | ||
4f2c6ae5 | 1494 | rtnl_lock(); |
56ade8fe JP |
1495 | do { |
1496 | mlxsw_reg_sfn_pack(sfn_pl); | |
1497 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfn), sfn_pl); | |
1498 | if (err) { | |
1499 | dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to get FDB notifications\n"); | |
1500 | break; | |
1501 | } | |
1502 | num_rec = mlxsw_reg_sfn_num_rec_get(sfn_pl); | |
1503 | for (i = 0; i < num_rec; i++) | |
1504 | mlxsw_sp_fdb_notify_rec_process(mlxsw_sp, sfn_pl, i); | |
1505 | ||
1506 | } while (num_rec); | |
4f2c6ae5 | 1507 | rtnl_unlock(); |
56ade8fe JP |
1508 | |
1509 | kfree(sfn_pl); | |
1510 | mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp); | |
1511 | } | |
1512 | ||
1513 | static int mlxsw_sp_fdb_init(struct mlxsw_sp *mlxsw_sp) | |
1514 | { | |
1515 | int err; | |
1516 | ||
1517 | err = mlxsw_sp_ageing_set(mlxsw_sp, MLXSW_SP_DEFAULT_AGEING_TIME); | |
1518 | if (err) { | |
1519 | dev_err(mlxsw_sp->bus_info->dev, "Failed to set default ageing time\n"); | |
1520 | return err; | |
1521 | } | |
1522 | INIT_DELAYED_WORK(&mlxsw_sp->fdb_notify.dw, mlxsw_sp_fdb_notify_work); | |
1523 | mlxsw_sp->fdb_notify.interval = MLXSW_SP_DEFAULT_LEARNING_INTERVAL; | |
1524 | mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp); | |
1525 | return 0; | |
1526 | } | |
1527 | ||
1528 | static void mlxsw_sp_fdb_fini(struct mlxsw_sp *mlxsw_sp) | |
1529 | { | |
1530 | cancel_delayed_work_sync(&mlxsw_sp->fdb_notify.dw); | |
1531 | } | |
1532 | ||
56ade8fe JP |
1533 | int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp) |
1534 | { | |
1535 | return mlxsw_sp_fdb_init(mlxsw_sp); | |
1536 | } | |
1537 | ||
1538 | void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp) | |
1539 | { | |
1540 | mlxsw_sp_fdb_fini(mlxsw_sp); | |
56ade8fe JP |
1541 | } |
1542 | ||
56ade8fe JP |
1543 | void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port) |
1544 | { | |
1545 | mlxsw_sp_port->dev->switchdev_ops = &mlxsw_sp_port_switchdev_ops; | |
1546 | } | |
1547 | ||
1548 | void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port) | |
1549 | { | |
1550 | } |