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56ade8fe JP |
1 | /* |
2 | * drivers/net/ethernet/mellanox/mlxsw/spectrum.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/module.h> | |
39 | #include <linux/types.h> | |
1d20d23c | 40 | #include <linux/pci.h> |
56ade8fe JP |
41 | #include <linux/netdevice.h> |
42 | #include <linux/etherdevice.h> | |
43 | #include <linux/ethtool.h> | |
44 | #include <linux/slab.h> | |
45 | #include <linux/device.h> | |
46 | #include <linux/skbuff.h> | |
47 | #include <linux/if_vlan.h> | |
48 | #include <linux/if_bridge.h> | |
49 | #include <linux/workqueue.h> | |
50 | #include <linux/jiffies.h> | |
51 | #include <linux/bitops.h> | |
7f71eb46 | 52 | #include <linux/list.h> |
80bedf1a | 53 | #include <linux/notifier.h> |
90183b98 | 54 | #include <linux/dcbnl.h> |
99724c18 | 55 | #include <linux/inetdevice.h> |
56ade8fe | 56 | #include <net/switchdev.h> |
763b4b70 YG |
57 | #include <net/pkt_cls.h> |
58 | #include <net/tc_act/tc_mirred.h> | |
e7322638 | 59 | #include <net/netevent.h> |
56ade8fe JP |
60 | |
61 | #include "spectrum.h" | |
1d20d23c | 62 | #include "pci.h" |
56ade8fe JP |
63 | #include "core.h" |
64 | #include "reg.h" | |
65 | #include "port.h" | |
66 | #include "trap.h" | |
67 | #include "txheader.h" | |
68 | ||
69 | static const char mlxsw_sp_driver_name[] = "mlxsw_spectrum"; | |
70 | static const char mlxsw_sp_driver_version[] = "1.0"; | |
71 | ||
72 | /* tx_hdr_version | |
73 | * Tx header version. | |
74 | * Must be set to 1. | |
75 | */ | |
76 | MLXSW_ITEM32(tx, hdr, version, 0x00, 28, 4); | |
77 | ||
78 | /* tx_hdr_ctl | |
79 | * Packet control type. | |
80 | * 0 - Ethernet control (e.g. EMADs, LACP) | |
81 | * 1 - Ethernet data | |
82 | */ | |
83 | MLXSW_ITEM32(tx, hdr, ctl, 0x00, 26, 2); | |
84 | ||
85 | /* tx_hdr_proto | |
86 | * Packet protocol type. Must be set to 1 (Ethernet). | |
87 | */ | |
88 | MLXSW_ITEM32(tx, hdr, proto, 0x00, 21, 3); | |
89 | ||
90 | /* tx_hdr_rx_is_router | |
91 | * Packet is sent from the router. Valid for data packets only. | |
92 | */ | |
93 | MLXSW_ITEM32(tx, hdr, rx_is_router, 0x00, 19, 1); | |
94 | ||
95 | /* tx_hdr_fid_valid | |
96 | * Indicates if the 'fid' field is valid and should be used for | |
97 | * forwarding lookup. Valid for data packets only. | |
98 | */ | |
99 | MLXSW_ITEM32(tx, hdr, fid_valid, 0x00, 16, 1); | |
100 | ||
101 | /* tx_hdr_swid | |
102 | * Switch partition ID. Must be set to 0. | |
103 | */ | |
104 | MLXSW_ITEM32(tx, hdr, swid, 0x00, 12, 3); | |
105 | ||
106 | /* tx_hdr_control_tclass | |
107 | * Indicates if the packet should use the control TClass and not one | |
108 | * of the data TClasses. | |
109 | */ | |
110 | MLXSW_ITEM32(tx, hdr, control_tclass, 0x00, 6, 1); | |
111 | ||
112 | /* tx_hdr_etclass | |
113 | * Egress TClass to be used on the egress device on the egress port. | |
114 | */ | |
115 | MLXSW_ITEM32(tx, hdr, etclass, 0x00, 0, 4); | |
116 | ||
117 | /* tx_hdr_port_mid | |
118 | * Destination local port for unicast packets. | |
119 | * Destination multicast ID for multicast packets. | |
120 | * | |
121 | * Control packets are directed to a specific egress port, while data | |
122 | * packets are transmitted through the CPU port (0) into the switch partition, | |
123 | * where forwarding rules are applied. | |
124 | */ | |
125 | MLXSW_ITEM32(tx, hdr, port_mid, 0x04, 16, 16); | |
126 | ||
127 | /* tx_hdr_fid | |
128 | * Forwarding ID used for L2 forwarding lookup. Valid only if 'fid_valid' is | |
129 | * set, otherwise calculated based on the packet's VID using VID to FID mapping. | |
130 | * Valid for data packets only. | |
131 | */ | |
132 | MLXSW_ITEM32(tx, hdr, fid, 0x08, 0, 16); | |
133 | ||
134 | /* tx_hdr_type | |
135 | * 0 - Data packets | |
136 | * 6 - Control packets | |
137 | */ | |
138 | MLXSW_ITEM32(tx, hdr, type, 0x0C, 0, 4); | |
139 | ||
763b4b70 YG |
140 | static bool mlxsw_sp_port_dev_check(const struct net_device *dev); |
141 | ||
56ade8fe JP |
142 | static void mlxsw_sp_txhdr_construct(struct sk_buff *skb, |
143 | const struct mlxsw_tx_info *tx_info) | |
144 | { | |
145 | char *txhdr = skb_push(skb, MLXSW_TXHDR_LEN); | |
146 | ||
147 | memset(txhdr, 0, MLXSW_TXHDR_LEN); | |
148 | ||
149 | mlxsw_tx_hdr_version_set(txhdr, MLXSW_TXHDR_VERSION_1); | |
150 | mlxsw_tx_hdr_ctl_set(txhdr, MLXSW_TXHDR_ETH_CTL); | |
151 | mlxsw_tx_hdr_proto_set(txhdr, MLXSW_TXHDR_PROTO_ETH); | |
152 | mlxsw_tx_hdr_swid_set(txhdr, 0); | |
153 | mlxsw_tx_hdr_control_tclass_set(txhdr, 1); | |
154 | mlxsw_tx_hdr_port_mid_set(txhdr, tx_info->local_port); | |
155 | mlxsw_tx_hdr_type_set(txhdr, MLXSW_TXHDR_TYPE_CONTROL); | |
156 | } | |
157 | ||
158 | static int mlxsw_sp_base_mac_get(struct mlxsw_sp *mlxsw_sp) | |
159 | { | |
5b090740 | 160 | char spad_pl[MLXSW_REG_SPAD_LEN] = {0}; |
56ade8fe JP |
161 | int err; |
162 | ||
163 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(spad), spad_pl); | |
164 | if (err) | |
165 | return err; | |
166 | mlxsw_reg_spad_base_mac_memcpy_from(spad_pl, mlxsw_sp->base_mac); | |
167 | return 0; | |
168 | } | |
169 | ||
763b4b70 YG |
170 | static int mlxsw_sp_span_init(struct mlxsw_sp *mlxsw_sp) |
171 | { | |
763b4b70 YG |
172 | int i; |
173 | ||
c1a38311 | 174 | if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_SPAN)) |
763b4b70 YG |
175 | return -EIO; |
176 | ||
c1a38311 JP |
177 | mlxsw_sp->span.entries_count = MLXSW_CORE_RES_GET(mlxsw_sp->core, |
178 | MAX_SPAN); | |
763b4b70 YG |
179 | mlxsw_sp->span.entries = kcalloc(mlxsw_sp->span.entries_count, |
180 | sizeof(struct mlxsw_sp_span_entry), | |
181 | GFP_KERNEL); | |
182 | if (!mlxsw_sp->span.entries) | |
183 | return -ENOMEM; | |
184 | ||
185 | for (i = 0; i < mlxsw_sp->span.entries_count; i++) | |
186 | INIT_LIST_HEAD(&mlxsw_sp->span.entries[i].bound_ports_list); | |
187 | ||
188 | return 0; | |
189 | } | |
190 | ||
191 | static void mlxsw_sp_span_fini(struct mlxsw_sp *mlxsw_sp) | |
192 | { | |
193 | int i; | |
194 | ||
195 | for (i = 0; i < mlxsw_sp->span.entries_count; i++) { | |
196 | struct mlxsw_sp_span_entry *curr = &mlxsw_sp->span.entries[i]; | |
197 | ||
198 | WARN_ON_ONCE(!list_empty(&curr->bound_ports_list)); | |
199 | } | |
200 | kfree(mlxsw_sp->span.entries); | |
201 | } | |
202 | ||
203 | static struct mlxsw_sp_span_entry * | |
204 | mlxsw_sp_span_entry_create(struct mlxsw_sp_port *port) | |
205 | { | |
206 | struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp; | |
207 | struct mlxsw_sp_span_entry *span_entry; | |
208 | char mpat_pl[MLXSW_REG_MPAT_LEN]; | |
209 | u8 local_port = port->local_port; | |
210 | int index; | |
211 | int i; | |
212 | int err; | |
213 | ||
214 | /* find a free entry to use */ | |
215 | index = -1; | |
216 | for (i = 0; i < mlxsw_sp->span.entries_count; i++) { | |
217 | if (!mlxsw_sp->span.entries[i].used) { | |
218 | index = i; | |
219 | span_entry = &mlxsw_sp->span.entries[i]; | |
220 | break; | |
221 | } | |
222 | } | |
223 | if (index < 0) | |
224 | return NULL; | |
225 | ||
226 | /* create a new port analayzer entry for local_port */ | |
227 | mlxsw_reg_mpat_pack(mpat_pl, index, local_port, true); | |
228 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mpat), mpat_pl); | |
229 | if (err) | |
230 | return NULL; | |
231 | ||
232 | span_entry->used = true; | |
233 | span_entry->id = index; | |
2d644d4c | 234 | span_entry->ref_count = 1; |
763b4b70 YG |
235 | span_entry->local_port = local_port; |
236 | return span_entry; | |
237 | } | |
238 | ||
239 | static void mlxsw_sp_span_entry_destroy(struct mlxsw_sp *mlxsw_sp, | |
240 | struct mlxsw_sp_span_entry *span_entry) | |
241 | { | |
242 | u8 local_port = span_entry->local_port; | |
243 | char mpat_pl[MLXSW_REG_MPAT_LEN]; | |
244 | int pa_id = span_entry->id; | |
245 | ||
246 | mlxsw_reg_mpat_pack(mpat_pl, pa_id, local_port, false); | |
247 | mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mpat), mpat_pl); | |
248 | span_entry->used = false; | |
249 | } | |
250 | ||
1a9234e6 IS |
251 | static struct mlxsw_sp_span_entry * |
252 | mlxsw_sp_span_entry_find(struct mlxsw_sp_port *port) | |
763b4b70 YG |
253 | { |
254 | struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp; | |
255 | int i; | |
256 | ||
257 | for (i = 0; i < mlxsw_sp->span.entries_count; i++) { | |
258 | struct mlxsw_sp_span_entry *curr = &mlxsw_sp->span.entries[i]; | |
259 | ||
260 | if (curr->used && curr->local_port == port->local_port) | |
261 | return curr; | |
262 | } | |
263 | return NULL; | |
264 | } | |
265 | ||
1a9234e6 IS |
266 | static struct mlxsw_sp_span_entry |
267 | *mlxsw_sp_span_entry_get(struct mlxsw_sp_port *port) | |
763b4b70 YG |
268 | { |
269 | struct mlxsw_sp_span_entry *span_entry; | |
270 | ||
271 | span_entry = mlxsw_sp_span_entry_find(port); | |
272 | if (span_entry) { | |
2d644d4c | 273 | /* Already exists, just take a reference */ |
763b4b70 YG |
274 | span_entry->ref_count++; |
275 | return span_entry; | |
276 | } | |
277 | ||
278 | return mlxsw_sp_span_entry_create(port); | |
279 | } | |
280 | ||
281 | static int mlxsw_sp_span_entry_put(struct mlxsw_sp *mlxsw_sp, | |
282 | struct mlxsw_sp_span_entry *span_entry) | |
283 | { | |
2d644d4c | 284 | WARN_ON(!span_entry->ref_count); |
763b4b70 YG |
285 | if (--span_entry->ref_count == 0) |
286 | mlxsw_sp_span_entry_destroy(mlxsw_sp, span_entry); | |
287 | return 0; | |
288 | } | |
289 | ||
290 | static bool mlxsw_sp_span_is_egress_mirror(struct mlxsw_sp_port *port) | |
291 | { | |
292 | struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp; | |
293 | struct mlxsw_sp_span_inspected_port *p; | |
294 | int i; | |
295 | ||
296 | for (i = 0; i < mlxsw_sp->span.entries_count; i++) { | |
297 | struct mlxsw_sp_span_entry *curr = &mlxsw_sp->span.entries[i]; | |
298 | ||
299 | list_for_each_entry(p, &curr->bound_ports_list, list) | |
300 | if (p->local_port == port->local_port && | |
301 | p->type == MLXSW_SP_SPAN_EGRESS) | |
302 | return true; | |
303 | } | |
304 | ||
305 | return false; | |
306 | } | |
307 | ||
308 | static int mlxsw_sp_span_mtu_to_buffsize(int mtu) | |
309 | { | |
310 | return MLXSW_SP_BYTES_TO_CELLS(mtu * 5 / 2) + 1; | |
311 | } | |
312 | ||
313 | static int mlxsw_sp_span_port_mtu_update(struct mlxsw_sp_port *port, u16 mtu) | |
314 | { | |
315 | struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp; | |
316 | char sbib_pl[MLXSW_REG_SBIB_LEN]; | |
317 | int err; | |
318 | ||
319 | /* If port is egress mirrored, the shared buffer size should be | |
320 | * updated according to the mtu value | |
321 | */ | |
322 | if (mlxsw_sp_span_is_egress_mirror(port)) { | |
323 | mlxsw_reg_sbib_pack(sbib_pl, port->local_port, | |
324 | mlxsw_sp_span_mtu_to_buffsize(mtu)); | |
325 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sbib), sbib_pl); | |
326 | if (err) { | |
327 | netdev_err(port->dev, "Could not update shared buffer for mirroring\n"); | |
328 | return err; | |
329 | } | |
330 | } | |
331 | ||
332 | return 0; | |
333 | } | |
334 | ||
335 | static struct mlxsw_sp_span_inspected_port * | |
336 | mlxsw_sp_span_entry_bound_port_find(struct mlxsw_sp_port *port, | |
337 | struct mlxsw_sp_span_entry *span_entry) | |
338 | { | |
339 | struct mlxsw_sp_span_inspected_port *p; | |
340 | ||
341 | list_for_each_entry(p, &span_entry->bound_ports_list, list) | |
342 | if (port->local_port == p->local_port) | |
343 | return p; | |
344 | return NULL; | |
345 | } | |
346 | ||
347 | static int | |
348 | mlxsw_sp_span_inspected_port_bind(struct mlxsw_sp_port *port, | |
349 | struct mlxsw_sp_span_entry *span_entry, | |
350 | enum mlxsw_sp_span_type type) | |
351 | { | |
352 | struct mlxsw_sp_span_inspected_port *inspected_port; | |
353 | struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp; | |
354 | char mpar_pl[MLXSW_REG_MPAR_LEN]; | |
355 | char sbib_pl[MLXSW_REG_SBIB_LEN]; | |
356 | int pa_id = span_entry->id; | |
357 | int err; | |
358 | ||
359 | /* if it is an egress SPAN, bind a shared buffer to it */ | |
360 | if (type == MLXSW_SP_SPAN_EGRESS) { | |
361 | mlxsw_reg_sbib_pack(sbib_pl, port->local_port, | |
362 | mlxsw_sp_span_mtu_to_buffsize(port->dev->mtu)); | |
363 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sbib), sbib_pl); | |
364 | if (err) { | |
365 | netdev_err(port->dev, "Could not create shared buffer for mirroring\n"); | |
366 | return err; | |
367 | } | |
368 | } | |
369 | ||
370 | /* bind the port to the SPAN entry */ | |
1a9234e6 IS |
371 | mlxsw_reg_mpar_pack(mpar_pl, port->local_port, |
372 | (enum mlxsw_reg_mpar_i_e) type, true, pa_id); | |
763b4b70 YG |
373 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mpar), mpar_pl); |
374 | if (err) | |
375 | goto err_mpar_reg_write; | |
376 | ||
377 | inspected_port = kzalloc(sizeof(*inspected_port), GFP_KERNEL); | |
378 | if (!inspected_port) { | |
379 | err = -ENOMEM; | |
380 | goto err_inspected_port_alloc; | |
381 | } | |
382 | inspected_port->local_port = port->local_port; | |
383 | inspected_port->type = type; | |
384 | list_add_tail(&inspected_port->list, &span_entry->bound_ports_list); | |
385 | ||
386 | return 0; | |
387 | ||
388 | err_mpar_reg_write: | |
389 | err_inspected_port_alloc: | |
390 | if (type == MLXSW_SP_SPAN_EGRESS) { | |
391 | mlxsw_reg_sbib_pack(sbib_pl, port->local_port, 0); | |
392 | mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sbib), sbib_pl); | |
393 | } | |
394 | return err; | |
395 | } | |
396 | ||
397 | static void | |
398 | mlxsw_sp_span_inspected_port_unbind(struct mlxsw_sp_port *port, | |
399 | struct mlxsw_sp_span_entry *span_entry, | |
400 | enum mlxsw_sp_span_type type) | |
401 | { | |
402 | struct mlxsw_sp_span_inspected_port *inspected_port; | |
403 | struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp; | |
404 | char mpar_pl[MLXSW_REG_MPAR_LEN]; | |
405 | char sbib_pl[MLXSW_REG_SBIB_LEN]; | |
406 | int pa_id = span_entry->id; | |
407 | ||
408 | inspected_port = mlxsw_sp_span_entry_bound_port_find(port, span_entry); | |
409 | if (!inspected_port) | |
410 | return; | |
411 | ||
412 | /* remove the inspected port */ | |
1a9234e6 IS |
413 | mlxsw_reg_mpar_pack(mpar_pl, port->local_port, |
414 | (enum mlxsw_reg_mpar_i_e) type, false, pa_id); | |
763b4b70 YG |
415 | mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mpar), mpar_pl); |
416 | ||
417 | /* remove the SBIB buffer if it was egress SPAN */ | |
418 | if (type == MLXSW_SP_SPAN_EGRESS) { | |
419 | mlxsw_reg_sbib_pack(sbib_pl, port->local_port, 0); | |
420 | mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sbib), sbib_pl); | |
421 | } | |
422 | ||
423 | mlxsw_sp_span_entry_put(mlxsw_sp, span_entry); | |
424 | ||
425 | list_del(&inspected_port->list); | |
426 | kfree(inspected_port); | |
427 | } | |
428 | ||
429 | static int mlxsw_sp_span_mirror_add(struct mlxsw_sp_port *from, | |
430 | struct mlxsw_sp_port *to, | |
431 | enum mlxsw_sp_span_type type) | |
432 | { | |
433 | struct mlxsw_sp *mlxsw_sp = from->mlxsw_sp; | |
434 | struct mlxsw_sp_span_entry *span_entry; | |
435 | int err; | |
436 | ||
437 | span_entry = mlxsw_sp_span_entry_get(to); | |
438 | if (!span_entry) | |
439 | return -ENOENT; | |
440 | ||
441 | netdev_dbg(from->dev, "Adding inspected port to SPAN entry %d\n", | |
442 | span_entry->id); | |
443 | ||
444 | err = mlxsw_sp_span_inspected_port_bind(from, span_entry, type); | |
445 | if (err) | |
446 | goto err_port_bind; | |
447 | ||
448 | return 0; | |
449 | ||
450 | err_port_bind: | |
451 | mlxsw_sp_span_entry_put(mlxsw_sp, span_entry); | |
452 | return err; | |
453 | } | |
454 | ||
455 | static void mlxsw_sp_span_mirror_remove(struct mlxsw_sp_port *from, | |
456 | struct mlxsw_sp_port *to, | |
457 | enum mlxsw_sp_span_type type) | |
458 | { | |
459 | struct mlxsw_sp_span_entry *span_entry; | |
460 | ||
461 | span_entry = mlxsw_sp_span_entry_find(to); | |
462 | if (!span_entry) { | |
463 | netdev_err(from->dev, "no span entry found\n"); | |
464 | return; | |
465 | } | |
466 | ||
467 | netdev_dbg(from->dev, "removing inspected port from SPAN entry %d\n", | |
468 | span_entry->id); | |
469 | mlxsw_sp_span_inspected_port_unbind(from, span_entry, type); | |
470 | } | |
471 | ||
56ade8fe JP |
472 | static int mlxsw_sp_port_admin_status_set(struct mlxsw_sp_port *mlxsw_sp_port, |
473 | bool is_up) | |
474 | { | |
475 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
476 | char paos_pl[MLXSW_REG_PAOS_LEN]; | |
477 | ||
478 | mlxsw_reg_paos_pack(paos_pl, mlxsw_sp_port->local_port, | |
479 | is_up ? MLXSW_PORT_ADMIN_STATUS_UP : | |
480 | MLXSW_PORT_ADMIN_STATUS_DOWN); | |
481 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(paos), paos_pl); | |
482 | } | |
483 | ||
56ade8fe JP |
484 | static int mlxsw_sp_port_dev_addr_set(struct mlxsw_sp_port *mlxsw_sp_port, |
485 | unsigned char *addr) | |
486 | { | |
487 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
488 | char ppad_pl[MLXSW_REG_PPAD_LEN]; | |
489 | ||
490 | mlxsw_reg_ppad_pack(ppad_pl, true, mlxsw_sp_port->local_port); | |
491 | mlxsw_reg_ppad_mac_memcpy_to(ppad_pl, addr); | |
492 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ppad), ppad_pl); | |
493 | } | |
494 | ||
495 | static int mlxsw_sp_port_dev_addr_init(struct mlxsw_sp_port *mlxsw_sp_port) | |
496 | { | |
497 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
498 | unsigned char *addr = mlxsw_sp_port->dev->dev_addr; | |
499 | ||
500 | ether_addr_copy(addr, mlxsw_sp->base_mac); | |
501 | addr[ETH_ALEN - 1] += mlxsw_sp_port->local_port; | |
502 | return mlxsw_sp_port_dev_addr_set(mlxsw_sp_port, addr); | |
503 | } | |
504 | ||
56ade8fe JP |
505 | static int mlxsw_sp_port_mtu_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 mtu) |
506 | { | |
507 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
508 | char pmtu_pl[MLXSW_REG_PMTU_LEN]; | |
509 | int max_mtu; | |
510 | int err; | |
511 | ||
512 | mtu += MLXSW_TXHDR_LEN + ETH_HLEN; | |
513 | mlxsw_reg_pmtu_pack(pmtu_pl, mlxsw_sp_port->local_port, 0); | |
514 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pmtu), pmtu_pl); | |
515 | if (err) | |
516 | return err; | |
517 | max_mtu = mlxsw_reg_pmtu_max_mtu_get(pmtu_pl); | |
518 | ||
519 | if (mtu > max_mtu) | |
520 | return -EINVAL; | |
521 | ||
522 | mlxsw_reg_pmtu_pack(pmtu_pl, mlxsw_sp_port->local_port, mtu); | |
523 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmtu), pmtu_pl); | |
524 | } | |
525 | ||
be94535f IS |
526 | static int __mlxsw_sp_port_swid_set(struct mlxsw_sp *mlxsw_sp, u8 local_port, |
527 | u8 swid) | |
56ade8fe | 528 | { |
56ade8fe JP |
529 | char pspa_pl[MLXSW_REG_PSPA_LEN]; |
530 | ||
be94535f | 531 | mlxsw_reg_pspa_pack(pspa_pl, swid, local_port); |
56ade8fe JP |
532 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pspa), pspa_pl); |
533 | } | |
534 | ||
be94535f IS |
535 | static int mlxsw_sp_port_swid_set(struct mlxsw_sp_port *mlxsw_sp_port, u8 swid) |
536 | { | |
537 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
538 | ||
539 | return __mlxsw_sp_port_swid_set(mlxsw_sp, mlxsw_sp_port->local_port, | |
540 | swid); | |
541 | } | |
542 | ||
56ade8fe JP |
543 | static int mlxsw_sp_port_vp_mode_set(struct mlxsw_sp_port *mlxsw_sp_port, |
544 | bool enable) | |
545 | { | |
546 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
547 | char svpe_pl[MLXSW_REG_SVPE_LEN]; | |
548 | ||
549 | mlxsw_reg_svpe_pack(svpe_pl, mlxsw_sp_port->local_port, enable); | |
550 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(svpe), svpe_pl); | |
551 | } | |
552 | ||
553 | int mlxsw_sp_port_vid_to_fid_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
554 | enum mlxsw_reg_svfa_mt mt, bool valid, u16 fid, | |
555 | u16 vid) | |
556 | { | |
557 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
558 | char svfa_pl[MLXSW_REG_SVFA_LEN]; | |
559 | ||
560 | mlxsw_reg_svfa_pack(svfa_pl, mlxsw_sp_port->local_port, mt, valid, | |
561 | fid, vid); | |
562 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(svfa), svfa_pl); | |
563 | } | |
564 | ||
584d73df IS |
565 | int __mlxsw_sp_port_vid_learning_set(struct mlxsw_sp_port *mlxsw_sp_port, |
566 | u16 vid_begin, u16 vid_end, | |
567 | bool learn_enable) | |
56ade8fe JP |
568 | { |
569 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
570 | char *spvmlr_pl; | |
571 | int err; | |
572 | ||
573 | spvmlr_pl = kmalloc(MLXSW_REG_SPVMLR_LEN, GFP_KERNEL); | |
574 | if (!spvmlr_pl) | |
575 | return -ENOMEM; | |
584d73df IS |
576 | mlxsw_reg_spvmlr_pack(spvmlr_pl, mlxsw_sp_port->local_port, vid_begin, |
577 | vid_end, learn_enable); | |
56ade8fe JP |
578 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvmlr), spvmlr_pl); |
579 | kfree(spvmlr_pl); | |
580 | return err; | |
581 | } | |
582 | ||
584d73df IS |
583 | static int mlxsw_sp_port_vid_learning_set(struct mlxsw_sp_port *mlxsw_sp_port, |
584 | u16 vid, bool learn_enable) | |
585 | { | |
586 | return __mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, vid, | |
587 | learn_enable); | |
588 | } | |
589 | ||
56ade8fe JP |
590 | static int |
591 | mlxsw_sp_port_system_port_mapping_set(struct mlxsw_sp_port *mlxsw_sp_port) | |
592 | { | |
593 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
594 | char sspr_pl[MLXSW_REG_SSPR_LEN]; | |
595 | ||
596 | mlxsw_reg_sspr_pack(sspr_pl, mlxsw_sp_port->local_port); | |
597 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sspr), sspr_pl); | |
598 | } | |
599 | ||
d664b41e IS |
600 | static int mlxsw_sp_port_module_info_get(struct mlxsw_sp *mlxsw_sp, |
601 | u8 local_port, u8 *p_module, | |
602 | u8 *p_width, u8 *p_lane) | |
56ade8fe | 603 | { |
56ade8fe JP |
604 | char pmlp_pl[MLXSW_REG_PMLP_LEN]; |
605 | int err; | |
606 | ||
558c2d5e | 607 | mlxsw_reg_pmlp_pack(pmlp_pl, local_port); |
56ade8fe JP |
608 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl); |
609 | if (err) | |
610 | return err; | |
558c2d5e IS |
611 | *p_module = mlxsw_reg_pmlp_module_get(pmlp_pl, 0); |
612 | *p_width = mlxsw_reg_pmlp_width_get(pmlp_pl); | |
2bf9a586 | 613 | *p_lane = mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, 0); |
56ade8fe JP |
614 | return 0; |
615 | } | |
616 | ||
18f1e70c IS |
617 | static int mlxsw_sp_port_module_map(struct mlxsw_sp *mlxsw_sp, u8 local_port, |
618 | u8 module, u8 width, u8 lane) | |
619 | { | |
620 | char pmlp_pl[MLXSW_REG_PMLP_LEN]; | |
621 | int i; | |
622 | ||
623 | mlxsw_reg_pmlp_pack(pmlp_pl, local_port); | |
624 | mlxsw_reg_pmlp_width_set(pmlp_pl, width); | |
625 | for (i = 0; i < width; i++) { | |
626 | mlxsw_reg_pmlp_module_set(pmlp_pl, i, module); | |
627 | mlxsw_reg_pmlp_tx_lane_set(pmlp_pl, i, lane + i); /* Rx & Tx */ | |
628 | } | |
629 | ||
630 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl); | |
631 | } | |
632 | ||
3e9b27b8 IS |
633 | static int mlxsw_sp_port_module_unmap(struct mlxsw_sp *mlxsw_sp, u8 local_port) |
634 | { | |
635 | char pmlp_pl[MLXSW_REG_PMLP_LEN]; | |
636 | ||
637 | mlxsw_reg_pmlp_pack(pmlp_pl, local_port); | |
638 | mlxsw_reg_pmlp_width_set(pmlp_pl, 0); | |
639 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl); | |
640 | } | |
641 | ||
56ade8fe JP |
642 | static int mlxsw_sp_port_open(struct net_device *dev) |
643 | { | |
644 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
645 | int err; | |
646 | ||
647 | err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true); | |
648 | if (err) | |
649 | return err; | |
650 | netif_start_queue(dev); | |
651 | return 0; | |
652 | } | |
653 | ||
654 | static int mlxsw_sp_port_stop(struct net_device *dev) | |
655 | { | |
656 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
657 | ||
658 | netif_stop_queue(dev); | |
659 | return mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); | |
660 | } | |
661 | ||
662 | static netdev_tx_t mlxsw_sp_port_xmit(struct sk_buff *skb, | |
663 | struct net_device *dev) | |
664 | { | |
665 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
666 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
667 | struct mlxsw_sp_port_pcpu_stats *pcpu_stats; | |
668 | const struct mlxsw_tx_info tx_info = { | |
669 | .local_port = mlxsw_sp_port->local_port, | |
670 | .is_emad = false, | |
671 | }; | |
672 | u64 len; | |
673 | int err; | |
674 | ||
307c2431 | 675 | if (mlxsw_core_skb_transmit_busy(mlxsw_sp->core, &tx_info)) |
56ade8fe JP |
676 | return NETDEV_TX_BUSY; |
677 | ||
678 | if (unlikely(skb_headroom(skb) < MLXSW_TXHDR_LEN)) { | |
679 | struct sk_buff *skb_orig = skb; | |
680 | ||
681 | skb = skb_realloc_headroom(skb, MLXSW_TXHDR_LEN); | |
682 | if (!skb) { | |
683 | this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); | |
684 | dev_kfree_skb_any(skb_orig); | |
685 | return NETDEV_TX_OK; | |
686 | } | |
36bf38d1 | 687 | dev_consume_skb_any(skb_orig); |
56ade8fe JP |
688 | } |
689 | ||
690 | if (eth_skb_pad(skb)) { | |
691 | this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); | |
692 | return NETDEV_TX_OK; | |
693 | } | |
694 | ||
695 | mlxsw_sp_txhdr_construct(skb, &tx_info); | |
63dcdd35 NF |
696 | /* TX header is consumed by HW on the way so we shouldn't count its |
697 | * bytes as being sent. | |
698 | */ | |
699 | len = skb->len - MLXSW_TXHDR_LEN; | |
700 | ||
56ade8fe JP |
701 | /* Due to a race we might fail here because of a full queue. In that |
702 | * unlikely case we simply drop the packet. | |
703 | */ | |
307c2431 | 704 | err = mlxsw_core_skb_transmit(mlxsw_sp->core, skb, &tx_info); |
56ade8fe JP |
705 | |
706 | if (!err) { | |
707 | pcpu_stats = this_cpu_ptr(mlxsw_sp_port->pcpu_stats); | |
708 | u64_stats_update_begin(&pcpu_stats->syncp); | |
709 | pcpu_stats->tx_packets++; | |
710 | pcpu_stats->tx_bytes += len; | |
711 | u64_stats_update_end(&pcpu_stats->syncp); | |
712 | } else { | |
713 | this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); | |
714 | dev_kfree_skb_any(skb); | |
715 | } | |
716 | return NETDEV_TX_OK; | |
717 | } | |
718 | ||
c5b9b518 JP |
719 | static void mlxsw_sp_set_rx_mode(struct net_device *dev) |
720 | { | |
721 | } | |
722 | ||
56ade8fe JP |
723 | static int mlxsw_sp_port_set_mac_address(struct net_device *dev, void *p) |
724 | { | |
725 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
726 | struct sockaddr *addr = p; | |
727 | int err; | |
728 | ||
729 | if (!is_valid_ether_addr(addr->sa_data)) | |
730 | return -EADDRNOTAVAIL; | |
731 | ||
732 | err = mlxsw_sp_port_dev_addr_set(mlxsw_sp_port, addr->sa_data); | |
733 | if (err) | |
734 | return err; | |
735 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); | |
736 | return 0; | |
737 | } | |
738 | ||
9f7ec052 | 739 | static void mlxsw_sp_pg_buf_pack(char *pbmc_pl, int pg_index, int mtu, |
d81a6bdb | 740 | bool pause_en, bool pfc_en, u16 delay) |
ff6551ec | 741 | { |
ff6551ec | 742 | u16 pg_size = 2 * MLXSW_SP_BYTES_TO_CELLS(mtu); |
8e8dfe9f | 743 | |
d81a6bdb IS |
744 | delay = pfc_en ? mlxsw_sp_pfc_delay_get(mtu, delay) : |
745 | MLXSW_SP_PAUSE_DELAY; | |
9f7ec052 | 746 | |
d81a6bdb | 747 | if (pause_en || pfc_en) |
9f7ec052 | 748 | mlxsw_reg_pbmc_lossless_buffer_pack(pbmc_pl, pg_index, |
d81a6bdb IS |
749 | pg_size + delay, pg_size); |
750 | else | |
9f7ec052 | 751 | mlxsw_reg_pbmc_lossy_buffer_pack(pbmc_pl, pg_index, pg_size); |
8e8dfe9f IS |
752 | } |
753 | ||
754 | int __mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port, int mtu, | |
d81a6bdb IS |
755 | u8 *prio_tc, bool pause_en, |
756 | struct ieee_pfc *my_pfc) | |
8e8dfe9f IS |
757 | { |
758 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
d81a6bdb IS |
759 | u8 pfc_en = !!my_pfc ? my_pfc->pfc_en : 0; |
760 | u16 delay = !!my_pfc ? my_pfc->delay : 0; | |
ff6551ec | 761 | char pbmc_pl[MLXSW_REG_PBMC_LEN]; |
8e8dfe9f | 762 | int i, j, err; |
ff6551ec IS |
763 | |
764 | mlxsw_reg_pbmc_pack(pbmc_pl, mlxsw_sp_port->local_port, 0, 0); | |
765 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pbmc), pbmc_pl); | |
766 | if (err) | |
767 | return err; | |
8e8dfe9f IS |
768 | |
769 | for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { | |
770 | bool configure = false; | |
d81a6bdb | 771 | bool pfc = false; |
8e8dfe9f IS |
772 | |
773 | for (j = 0; j < IEEE_8021QAZ_MAX_TCS; j++) { | |
774 | if (prio_tc[j] == i) { | |
d81a6bdb | 775 | pfc = pfc_en & BIT(j); |
8e8dfe9f IS |
776 | configure = true; |
777 | break; | |
778 | } | |
779 | } | |
780 | ||
781 | if (!configure) | |
782 | continue; | |
d81a6bdb | 783 | mlxsw_sp_pg_buf_pack(pbmc_pl, i, mtu, pause_en, pfc, delay); |
8e8dfe9f IS |
784 | } |
785 | ||
ff6551ec IS |
786 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pbmc), pbmc_pl); |
787 | } | |
788 | ||
8e8dfe9f | 789 | static int mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port, |
9f7ec052 | 790 | int mtu, bool pause_en) |
8e8dfe9f IS |
791 | { |
792 | u8 def_prio_tc[IEEE_8021QAZ_MAX_TCS] = {0}; | |
793 | bool dcb_en = !!mlxsw_sp_port->dcb.ets; | |
d81a6bdb | 794 | struct ieee_pfc *my_pfc; |
8e8dfe9f IS |
795 | u8 *prio_tc; |
796 | ||
797 | prio_tc = dcb_en ? mlxsw_sp_port->dcb.ets->prio_tc : def_prio_tc; | |
d81a6bdb | 798 | my_pfc = dcb_en ? mlxsw_sp_port->dcb.pfc : NULL; |
8e8dfe9f | 799 | |
9f7ec052 | 800 | return __mlxsw_sp_port_headroom_set(mlxsw_sp_port, mtu, prio_tc, |
d81a6bdb | 801 | pause_en, my_pfc); |
8e8dfe9f IS |
802 | } |
803 | ||
56ade8fe JP |
804 | static int mlxsw_sp_port_change_mtu(struct net_device *dev, int mtu) |
805 | { | |
806 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
9f7ec052 | 807 | bool pause_en = mlxsw_sp_port_is_pause_en(mlxsw_sp_port); |
56ade8fe JP |
808 | int err; |
809 | ||
9f7ec052 | 810 | err = mlxsw_sp_port_headroom_set(mlxsw_sp_port, mtu, pause_en); |
56ade8fe JP |
811 | if (err) |
812 | return err; | |
763b4b70 YG |
813 | err = mlxsw_sp_span_port_mtu_update(mlxsw_sp_port, mtu); |
814 | if (err) | |
815 | goto err_span_port_mtu_update; | |
ff6551ec IS |
816 | err = mlxsw_sp_port_mtu_set(mlxsw_sp_port, mtu); |
817 | if (err) | |
818 | goto err_port_mtu_set; | |
56ade8fe JP |
819 | dev->mtu = mtu; |
820 | return 0; | |
ff6551ec IS |
821 | |
822 | err_port_mtu_set: | |
763b4b70 YG |
823 | mlxsw_sp_span_port_mtu_update(mlxsw_sp_port, dev->mtu); |
824 | err_span_port_mtu_update: | |
9f7ec052 | 825 | mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en); |
ff6551ec | 826 | return err; |
56ade8fe JP |
827 | } |
828 | ||
4bdcc6ca | 829 | static int |
fc1bbb0f NF |
830 | mlxsw_sp_port_get_sw_stats64(const struct net_device *dev, |
831 | struct rtnl_link_stats64 *stats) | |
56ade8fe JP |
832 | { |
833 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
834 | struct mlxsw_sp_port_pcpu_stats *p; | |
835 | u64 rx_packets, rx_bytes, tx_packets, tx_bytes; | |
836 | u32 tx_dropped = 0; | |
837 | unsigned int start; | |
838 | int i; | |
839 | ||
840 | for_each_possible_cpu(i) { | |
841 | p = per_cpu_ptr(mlxsw_sp_port->pcpu_stats, i); | |
842 | do { | |
843 | start = u64_stats_fetch_begin_irq(&p->syncp); | |
844 | rx_packets = p->rx_packets; | |
845 | rx_bytes = p->rx_bytes; | |
846 | tx_packets = p->tx_packets; | |
847 | tx_bytes = p->tx_bytes; | |
848 | } while (u64_stats_fetch_retry_irq(&p->syncp, start)); | |
849 | ||
850 | stats->rx_packets += rx_packets; | |
851 | stats->rx_bytes += rx_bytes; | |
852 | stats->tx_packets += tx_packets; | |
853 | stats->tx_bytes += tx_bytes; | |
854 | /* tx_dropped is u32, updated without syncp protection. */ | |
855 | tx_dropped += p->tx_dropped; | |
856 | } | |
857 | stats->tx_dropped = tx_dropped; | |
fc1bbb0f NF |
858 | return 0; |
859 | } | |
860 | ||
3df5b3c6 | 861 | static bool mlxsw_sp_port_has_offload_stats(const struct net_device *dev, int attr_id) |
fc1bbb0f NF |
862 | { |
863 | switch (attr_id) { | |
864 | case IFLA_OFFLOAD_XSTATS_CPU_HIT: | |
865 | return true; | |
866 | } | |
867 | ||
868 | return false; | |
869 | } | |
870 | ||
4bdcc6ca OG |
871 | static int mlxsw_sp_port_get_offload_stats(int attr_id, const struct net_device *dev, |
872 | void *sp) | |
fc1bbb0f NF |
873 | { |
874 | switch (attr_id) { | |
875 | case IFLA_OFFLOAD_XSTATS_CPU_HIT: | |
876 | return mlxsw_sp_port_get_sw_stats64(dev, sp); | |
877 | } | |
878 | ||
879 | return -EINVAL; | |
880 | } | |
881 | ||
882 | static int mlxsw_sp_port_get_stats_raw(struct net_device *dev, int grp, | |
883 | int prio, char *ppcnt_pl) | |
884 | { | |
885 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
886 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
887 | ||
888 | mlxsw_reg_ppcnt_pack(ppcnt_pl, mlxsw_sp_port->local_port, grp, prio); | |
889 | return mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ppcnt), ppcnt_pl); | |
890 | } | |
891 | ||
892 | static int mlxsw_sp_port_get_hw_stats(struct net_device *dev, | |
893 | struct rtnl_link_stats64 *stats) | |
894 | { | |
895 | char ppcnt_pl[MLXSW_REG_PPCNT_LEN]; | |
896 | int err; | |
897 | ||
898 | err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT, | |
899 | 0, ppcnt_pl); | |
900 | if (err) | |
901 | goto out; | |
902 | ||
903 | stats->tx_packets = | |
904 | mlxsw_reg_ppcnt_a_frames_transmitted_ok_get(ppcnt_pl); | |
905 | stats->rx_packets = | |
906 | mlxsw_reg_ppcnt_a_frames_received_ok_get(ppcnt_pl); | |
907 | stats->tx_bytes = | |
908 | mlxsw_reg_ppcnt_a_octets_transmitted_ok_get(ppcnt_pl); | |
909 | stats->rx_bytes = | |
910 | mlxsw_reg_ppcnt_a_octets_received_ok_get(ppcnt_pl); | |
911 | stats->multicast = | |
912 | mlxsw_reg_ppcnt_a_multicast_frames_received_ok_get(ppcnt_pl); | |
913 | ||
914 | stats->rx_crc_errors = | |
915 | mlxsw_reg_ppcnt_a_frame_check_sequence_errors_get(ppcnt_pl); | |
916 | stats->rx_frame_errors = | |
917 | mlxsw_reg_ppcnt_a_alignment_errors_get(ppcnt_pl); | |
918 | ||
919 | stats->rx_length_errors = ( | |
920 | mlxsw_reg_ppcnt_a_in_range_length_errors_get(ppcnt_pl) + | |
921 | mlxsw_reg_ppcnt_a_out_of_range_length_field_get(ppcnt_pl) + | |
922 | mlxsw_reg_ppcnt_a_frame_too_long_errors_get(ppcnt_pl)); | |
923 | ||
924 | stats->rx_errors = (stats->rx_crc_errors + | |
925 | stats->rx_frame_errors + stats->rx_length_errors); | |
926 | ||
927 | out: | |
928 | return err; | |
929 | } | |
930 | ||
931 | static void update_stats_cache(struct work_struct *work) | |
932 | { | |
933 | struct mlxsw_sp_port *mlxsw_sp_port = | |
934 | container_of(work, struct mlxsw_sp_port, | |
935 | hw_stats.update_dw.work); | |
936 | ||
937 | if (!netif_carrier_ok(mlxsw_sp_port->dev)) | |
938 | goto out; | |
939 | ||
940 | mlxsw_sp_port_get_hw_stats(mlxsw_sp_port->dev, | |
941 | mlxsw_sp_port->hw_stats.cache); | |
942 | ||
943 | out: | |
944 | mlxsw_core_schedule_dw(&mlxsw_sp_port->hw_stats.update_dw, | |
945 | MLXSW_HW_STATS_UPDATE_TIME); | |
946 | } | |
947 | ||
948 | /* Return the stats from a cache that is updated periodically, | |
949 | * as this function might get called in an atomic context. | |
950 | */ | |
951 | static struct rtnl_link_stats64 * | |
952 | mlxsw_sp_port_get_stats64(struct net_device *dev, | |
953 | struct rtnl_link_stats64 *stats) | |
954 | { | |
955 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
956 | ||
957 | memcpy(stats, mlxsw_sp_port->hw_stats.cache, sizeof(*stats)); | |
958 | ||
56ade8fe JP |
959 | return stats; |
960 | } | |
961 | ||
962 | int mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin, | |
963 | u16 vid_end, bool is_member, bool untagged) | |
964 | { | |
965 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
966 | char *spvm_pl; | |
967 | int err; | |
968 | ||
969 | spvm_pl = kmalloc(MLXSW_REG_SPVM_LEN, GFP_KERNEL); | |
970 | if (!spvm_pl) | |
971 | return -ENOMEM; | |
972 | ||
973 | mlxsw_reg_spvm_pack(spvm_pl, mlxsw_sp_port->local_port, vid_begin, | |
974 | vid_end, is_member, untagged); | |
975 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvm), spvm_pl); | |
976 | kfree(spvm_pl); | |
977 | return err; | |
978 | } | |
979 | ||
980 | static int mlxsw_sp_port_vp_mode_trans(struct mlxsw_sp_port *mlxsw_sp_port) | |
981 | { | |
982 | enum mlxsw_reg_svfa_mt mt = MLXSW_REG_SVFA_MT_PORT_VID_TO_FID; | |
983 | u16 vid, last_visited_vid; | |
984 | int err; | |
985 | ||
986 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) { | |
987 | err = mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, true, vid, | |
988 | vid); | |
989 | if (err) { | |
990 | last_visited_vid = vid; | |
991 | goto err_port_vid_to_fid_set; | |
992 | } | |
993 | } | |
994 | ||
995 | err = mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, true); | |
996 | if (err) { | |
997 | last_visited_vid = VLAN_N_VID; | |
998 | goto err_port_vid_to_fid_set; | |
999 | } | |
1000 | ||
1001 | return 0; | |
1002 | ||
1003 | err_port_vid_to_fid_set: | |
1004 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, last_visited_vid) | |
1005 | mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, false, vid, | |
1006 | vid); | |
1007 | return err; | |
1008 | } | |
1009 | ||
1010 | static int mlxsw_sp_port_vlan_mode_trans(struct mlxsw_sp_port *mlxsw_sp_port) | |
1011 | { | |
1012 | enum mlxsw_reg_svfa_mt mt = MLXSW_REG_SVFA_MT_PORT_VID_TO_FID; | |
1013 | u16 vid; | |
1014 | int err; | |
1015 | ||
1016 | err = mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false); | |
1017 | if (err) | |
1018 | return err; | |
1019 | ||
1020 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) { | |
1021 | err = mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, false, | |
1022 | vid, vid); | |
1023 | if (err) | |
1024 | return err; | |
1025 | } | |
1026 | ||
1027 | return 0; | |
1028 | } | |
1029 | ||
7f71eb46 | 1030 | static struct mlxsw_sp_port * |
0355b59f | 1031 | mlxsw_sp_port_vport_create(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) |
7f71eb46 IS |
1032 | { |
1033 | struct mlxsw_sp_port *mlxsw_sp_vport; | |
1034 | ||
1035 | mlxsw_sp_vport = kzalloc(sizeof(*mlxsw_sp_vport), GFP_KERNEL); | |
1036 | if (!mlxsw_sp_vport) | |
1037 | return NULL; | |
1038 | ||
1039 | /* dev will be set correctly after the VLAN device is linked | |
1040 | * with the real device. In case of bridge SELF invocation, dev | |
1041 | * will remain as is. | |
1042 | */ | |
1043 | mlxsw_sp_vport->dev = mlxsw_sp_port->dev; | |
1044 | mlxsw_sp_vport->mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1045 | mlxsw_sp_vport->local_port = mlxsw_sp_port->local_port; | |
1046 | mlxsw_sp_vport->stp_state = BR_STATE_FORWARDING; | |
272c4470 IS |
1047 | mlxsw_sp_vport->lagged = mlxsw_sp_port->lagged; |
1048 | mlxsw_sp_vport->lag_id = mlxsw_sp_port->lag_id; | |
0355b59f | 1049 | mlxsw_sp_vport->vport.vid = vid; |
7f71eb46 IS |
1050 | |
1051 | list_add(&mlxsw_sp_vport->vport.list, &mlxsw_sp_port->vports_list); | |
1052 | ||
1053 | return mlxsw_sp_vport; | |
1054 | } | |
1055 | ||
1056 | static void mlxsw_sp_port_vport_destroy(struct mlxsw_sp_port *mlxsw_sp_vport) | |
1057 | { | |
1058 | list_del(&mlxsw_sp_vport->vport.list); | |
1059 | kfree(mlxsw_sp_vport); | |
1060 | } | |
1061 | ||
05978481 IS |
1062 | static int mlxsw_sp_port_add_vid(struct net_device *dev, |
1063 | __be16 __always_unused proto, u16 vid) | |
56ade8fe JP |
1064 | { |
1065 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
7f71eb46 | 1066 | struct mlxsw_sp_port *mlxsw_sp_vport; |
52697a9e | 1067 | bool untagged = vid == 1; |
56ade8fe JP |
1068 | int err; |
1069 | ||
1070 | /* VLAN 0 is added to HW filter when device goes up, but it is | |
1071 | * reserved in our case, so simply return. | |
1072 | */ | |
1073 | if (!vid) | |
1074 | return 0; | |
1075 | ||
fa66d7e3 | 1076 | if (mlxsw_sp_port_vport_find(mlxsw_sp_port, vid)) |
56ade8fe | 1077 | return 0; |
56ade8fe | 1078 | |
0355b59f | 1079 | mlxsw_sp_vport = mlxsw_sp_port_vport_create(mlxsw_sp_port, vid); |
fa66d7e3 | 1080 | if (!mlxsw_sp_vport) |
0355b59f | 1081 | return -ENOMEM; |
56ade8fe | 1082 | |
56ade8fe JP |
1083 | /* When adding the first VLAN interface on a bridged port we need to |
1084 | * transition all the active 802.1Q bridge VLANs to use explicit | |
1085 | * {Port, VID} to FID mappings and set the port's mode to Virtual mode. | |
1086 | */ | |
7f71eb46 | 1087 | if (list_is_singular(&mlxsw_sp_port->vports_list)) { |
56ade8fe | 1088 | err = mlxsw_sp_port_vp_mode_trans(mlxsw_sp_port); |
fa66d7e3 | 1089 | if (err) |
7f71eb46 | 1090 | goto err_port_vp_mode_trans; |
56ade8fe JP |
1091 | } |
1092 | ||
52697a9e | 1093 | err = mlxsw_sp_port_vlan_set(mlxsw_sp_vport, vid, vid, true, untagged); |
fa66d7e3 | 1094 | if (err) |
56ade8fe | 1095 | goto err_port_add_vid; |
56ade8fe | 1096 | |
56ade8fe JP |
1097 | return 0; |
1098 | ||
56ade8fe | 1099 | err_port_add_vid: |
7f71eb46 IS |
1100 | if (list_is_singular(&mlxsw_sp_port->vports_list)) |
1101 | mlxsw_sp_port_vlan_mode_trans(mlxsw_sp_port); | |
1102 | err_port_vp_mode_trans: | |
7f71eb46 | 1103 | mlxsw_sp_port_vport_destroy(mlxsw_sp_vport); |
56ade8fe JP |
1104 | return err; |
1105 | } | |
1106 | ||
32d863fb IS |
1107 | static int mlxsw_sp_port_kill_vid(struct net_device *dev, |
1108 | __be16 __always_unused proto, u16 vid) | |
56ade8fe JP |
1109 | { |
1110 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
7f71eb46 | 1111 | struct mlxsw_sp_port *mlxsw_sp_vport; |
1c800759 | 1112 | struct mlxsw_sp_fid *f; |
56ade8fe JP |
1113 | |
1114 | /* VLAN 0 is removed from HW filter when device goes down, but | |
1115 | * it is reserved in our case, so simply return. | |
1116 | */ | |
1117 | if (!vid) | |
1118 | return 0; | |
1119 | ||
7f71eb46 | 1120 | mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, vid); |
7a35583e | 1121 | if (WARN_ON(!mlxsw_sp_vport)) |
56ade8fe | 1122 | return 0; |
56ade8fe | 1123 | |
7a35583e | 1124 | mlxsw_sp_port_vlan_set(mlxsw_sp_vport, vid, vid, false, false); |
56ade8fe | 1125 | |
1c800759 IS |
1126 | /* Drop FID reference. If this was the last reference the |
1127 | * resources will be freed. | |
1128 | */ | |
1129 | f = mlxsw_sp_vport_fid_get(mlxsw_sp_vport); | |
1130 | if (f && !WARN_ON(!f->leave)) | |
1131 | f->leave(mlxsw_sp_vport); | |
56ade8fe JP |
1132 | |
1133 | /* When removing the last VLAN interface on a bridged port we need to | |
1134 | * transition all active 802.1Q bridge VLANs to use VID to FID | |
1135 | * mappings and set port's mode to VLAN mode. | |
1136 | */ | |
7a35583e IS |
1137 | if (list_is_singular(&mlxsw_sp_port->vports_list)) |
1138 | mlxsw_sp_port_vlan_mode_trans(mlxsw_sp_port); | |
56ade8fe | 1139 | |
7f71eb46 IS |
1140 | mlxsw_sp_port_vport_destroy(mlxsw_sp_vport); |
1141 | ||
56ade8fe JP |
1142 | return 0; |
1143 | } | |
1144 | ||
2bf9a586 IS |
1145 | static int mlxsw_sp_port_get_phys_port_name(struct net_device *dev, char *name, |
1146 | size_t len) | |
1147 | { | |
1148 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
d664b41e IS |
1149 | u8 module = mlxsw_sp_port->mapping.module; |
1150 | u8 width = mlxsw_sp_port->mapping.width; | |
1151 | u8 lane = mlxsw_sp_port->mapping.lane; | |
2bf9a586 IS |
1152 | int err; |
1153 | ||
2bf9a586 IS |
1154 | if (!mlxsw_sp_port->split) |
1155 | err = snprintf(name, len, "p%d", module + 1); | |
1156 | else | |
1157 | err = snprintf(name, len, "p%ds%d", module + 1, | |
1158 | lane / width); | |
1159 | ||
1160 | if (err >= len) | |
1161 | return -EINVAL; | |
1162 | ||
1163 | return 0; | |
1164 | } | |
1165 | ||
763b4b70 YG |
1166 | static struct mlxsw_sp_port_mall_tc_entry * |
1167 | mlxsw_sp_port_mirror_entry_find(struct mlxsw_sp_port *port, | |
1168 | unsigned long cookie) { | |
1169 | struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry; | |
1170 | ||
1171 | list_for_each_entry(mall_tc_entry, &port->mall_tc_list, list) | |
1172 | if (mall_tc_entry->cookie == cookie) | |
1173 | return mall_tc_entry; | |
1174 | ||
1175 | return NULL; | |
1176 | } | |
1177 | ||
1178 | static int | |
1179 | mlxsw_sp_port_add_cls_matchall_mirror(struct mlxsw_sp_port *mlxsw_sp_port, | |
1180 | struct tc_cls_matchall_offload *cls, | |
1181 | const struct tc_action *a, | |
1182 | bool ingress) | |
1183 | { | |
1184 | struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry; | |
1185 | struct net *net = dev_net(mlxsw_sp_port->dev); | |
1186 | enum mlxsw_sp_span_type span_type; | |
1187 | struct mlxsw_sp_port *to_port; | |
1188 | struct net_device *to_dev; | |
1189 | int ifindex; | |
1190 | int err; | |
1191 | ||
1192 | ifindex = tcf_mirred_ifindex(a); | |
1193 | to_dev = __dev_get_by_index(net, ifindex); | |
1194 | if (!to_dev) { | |
1195 | netdev_err(mlxsw_sp_port->dev, "Could not find requested device\n"); | |
1196 | return -EINVAL; | |
1197 | } | |
1198 | ||
1199 | if (!mlxsw_sp_port_dev_check(to_dev)) { | |
1200 | netdev_err(mlxsw_sp_port->dev, "Cannot mirror to a non-spectrum port"); | |
1201 | return -ENOTSUPP; | |
1202 | } | |
1203 | to_port = netdev_priv(to_dev); | |
1204 | ||
1205 | mall_tc_entry = kzalloc(sizeof(*mall_tc_entry), GFP_KERNEL); | |
1206 | if (!mall_tc_entry) | |
1207 | return -ENOMEM; | |
1208 | ||
1209 | mall_tc_entry->cookie = cls->cookie; | |
1210 | mall_tc_entry->type = MLXSW_SP_PORT_MALL_MIRROR; | |
1211 | mall_tc_entry->mirror.to_local_port = to_port->local_port; | |
1212 | mall_tc_entry->mirror.ingress = ingress; | |
1213 | list_add_tail(&mall_tc_entry->list, &mlxsw_sp_port->mall_tc_list); | |
1214 | ||
1215 | span_type = ingress ? MLXSW_SP_SPAN_INGRESS : MLXSW_SP_SPAN_EGRESS; | |
1216 | err = mlxsw_sp_span_mirror_add(mlxsw_sp_port, to_port, span_type); | |
1217 | if (err) | |
1218 | goto err_mirror_add; | |
1219 | return 0; | |
1220 | ||
1221 | err_mirror_add: | |
1222 | list_del(&mall_tc_entry->list); | |
1223 | kfree(mall_tc_entry); | |
1224 | return err; | |
1225 | } | |
1226 | ||
1227 | static int mlxsw_sp_port_add_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port, | |
1228 | __be16 protocol, | |
1229 | struct tc_cls_matchall_offload *cls, | |
1230 | bool ingress) | |
1231 | { | |
763b4b70 | 1232 | const struct tc_action *a; |
22dc13c8 | 1233 | LIST_HEAD(actions); |
763b4b70 YG |
1234 | int err; |
1235 | ||
86cb13e4 | 1236 | if (!tc_single_action(cls->exts)) { |
763b4b70 YG |
1237 | netdev_err(mlxsw_sp_port->dev, "only singular actions are supported\n"); |
1238 | return -ENOTSUPP; | |
1239 | } | |
1240 | ||
22dc13c8 WC |
1241 | tcf_exts_to_list(cls->exts, &actions); |
1242 | list_for_each_entry(a, &actions, list) { | |
5724b8b5 SL |
1243 | if (!is_tcf_mirred_egress_mirror(a) || |
1244 | protocol != htons(ETH_P_ALL)) { | |
86cb13e4 | 1245 | return -ENOTSUPP; |
5724b8b5 | 1246 | } |
86cb13e4 | 1247 | |
763b4b70 YG |
1248 | err = mlxsw_sp_port_add_cls_matchall_mirror(mlxsw_sp_port, cls, |
1249 | a, ingress); | |
1250 | if (err) | |
1251 | return err; | |
763b4b70 YG |
1252 | } |
1253 | ||
1254 | return 0; | |
1255 | } | |
1256 | ||
1257 | static void mlxsw_sp_port_del_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port, | |
1258 | struct tc_cls_matchall_offload *cls) | |
1259 | { | |
1260 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1261 | struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry; | |
1262 | enum mlxsw_sp_span_type span_type; | |
1263 | struct mlxsw_sp_port *to_port; | |
1264 | ||
1265 | mall_tc_entry = mlxsw_sp_port_mirror_entry_find(mlxsw_sp_port, | |
1266 | cls->cookie); | |
1267 | if (!mall_tc_entry) { | |
1268 | netdev_dbg(mlxsw_sp_port->dev, "tc entry not found on port\n"); | |
1269 | return; | |
1270 | } | |
1271 | ||
1272 | switch (mall_tc_entry->type) { | |
1273 | case MLXSW_SP_PORT_MALL_MIRROR: | |
1274 | to_port = mlxsw_sp->ports[mall_tc_entry->mirror.to_local_port]; | |
1275 | span_type = mall_tc_entry->mirror.ingress ? | |
1276 | MLXSW_SP_SPAN_INGRESS : MLXSW_SP_SPAN_EGRESS; | |
1277 | ||
1278 | mlxsw_sp_span_mirror_remove(mlxsw_sp_port, to_port, span_type); | |
1279 | break; | |
1280 | default: | |
1281 | WARN_ON(1); | |
1282 | } | |
1283 | ||
1284 | list_del(&mall_tc_entry->list); | |
1285 | kfree(mall_tc_entry); | |
1286 | } | |
1287 | ||
1288 | static int mlxsw_sp_setup_tc(struct net_device *dev, u32 handle, | |
1289 | __be16 proto, struct tc_to_netdev *tc) | |
1290 | { | |
1291 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
1292 | bool ingress = TC_H_MAJ(handle) == TC_H_MAJ(TC_H_INGRESS); | |
1293 | ||
1294 | if (tc->type == TC_SETUP_MATCHALL) { | |
1295 | switch (tc->cls_mall->command) { | |
1296 | case TC_CLSMATCHALL_REPLACE: | |
1297 | return mlxsw_sp_port_add_cls_matchall(mlxsw_sp_port, | |
1298 | proto, | |
1299 | tc->cls_mall, | |
1300 | ingress); | |
1301 | case TC_CLSMATCHALL_DESTROY: | |
1302 | mlxsw_sp_port_del_cls_matchall(mlxsw_sp_port, | |
1303 | tc->cls_mall); | |
1304 | return 0; | |
1305 | default: | |
1306 | return -EINVAL; | |
1307 | } | |
1308 | } | |
1309 | ||
1310 | return -ENOTSUPP; | |
1311 | } | |
1312 | ||
56ade8fe JP |
1313 | static const struct net_device_ops mlxsw_sp_port_netdev_ops = { |
1314 | .ndo_open = mlxsw_sp_port_open, | |
1315 | .ndo_stop = mlxsw_sp_port_stop, | |
1316 | .ndo_start_xmit = mlxsw_sp_port_xmit, | |
763b4b70 | 1317 | .ndo_setup_tc = mlxsw_sp_setup_tc, |
c5b9b518 | 1318 | .ndo_set_rx_mode = mlxsw_sp_set_rx_mode, |
56ade8fe JP |
1319 | .ndo_set_mac_address = mlxsw_sp_port_set_mac_address, |
1320 | .ndo_change_mtu = mlxsw_sp_port_change_mtu, | |
1321 | .ndo_get_stats64 = mlxsw_sp_port_get_stats64, | |
fc1bbb0f NF |
1322 | .ndo_has_offload_stats = mlxsw_sp_port_has_offload_stats, |
1323 | .ndo_get_offload_stats = mlxsw_sp_port_get_offload_stats, | |
56ade8fe JP |
1324 | .ndo_vlan_rx_add_vid = mlxsw_sp_port_add_vid, |
1325 | .ndo_vlan_rx_kill_vid = mlxsw_sp_port_kill_vid, | |
6cf3c971 JP |
1326 | .ndo_neigh_construct = mlxsw_sp_router_neigh_construct, |
1327 | .ndo_neigh_destroy = mlxsw_sp_router_neigh_destroy, | |
56ade8fe JP |
1328 | .ndo_fdb_add = switchdev_port_fdb_add, |
1329 | .ndo_fdb_del = switchdev_port_fdb_del, | |
1330 | .ndo_fdb_dump = switchdev_port_fdb_dump, | |
1331 | .ndo_bridge_setlink = switchdev_port_bridge_setlink, | |
1332 | .ndo_bridge_getlink = switchdev_port_bridge_getlink, | |
1333 | .ndo_bridge_dellink = switchdev_port_bridge_dellink, | |
2bf9a586 | 1334 | .ndo_get_phys_port_name = mlxsw_sp_port_get_phys_port_name, |
56ade8fe JP |
1335 | }; |
1336 | ||
1337 | static void mlxsw_sp_port_get_drvinfo(struct net_device *dev, | |
1338 | struct ethtool_drvinfo *drvinfo) | |
1339 | { | |
1340 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
1341 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1342 | ||
1343 | strlcpy(drvinfo->driver, mlxsw_sp_driver_name, sizeof(drvinfo->driver)); | |
1344 | strlcpy(drvinfo->version, mlxsw_sp_driver_version, | |
1345 | sizeof(drvinfo->version)); | |
1346 | snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), | |
1347 | "%d.%d.%d", | |
1348 | mlxsw_sp->bus_info->fw_rev.major, | |
1349 | mlxsw_sp->bus_info->fw_rev.minor, | |
1350 | mlxsw_sp->bus_info->fw_rev.subminor); | |
1351 | strlcpy(drvinfo->bus_info, mlxsw_sp->bus_info->device_name, | |
1352 | sizeof(drvinfo->bus_info)); | |
1353 | } | |
1354 | ||
9f7ec052 IS |
1355 | static void mlxsw_sp_port_get_pauseparam(struct net_device *dev, |
1356 | struct ethtool_pauseparam *pause) | |
1357 | { | |
1358 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
1359 | ||
1360 | pause->rx_pause = mlxsw_sp_port->link.rx_pause; | |
1361 | pause->tx_pause = mlxsw_sp_port->link.tx_pause; | |
1362 | } | |
1363 | ||
1364 | static int mlxsw_sp_port_pause_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
1365 | struct ethtool_pauseparam *pause) | |
1366 | { | |
1367 | char pfcc_pl[MLXSW_REG_PFCC_LEN]; | |
1368 | ||
1369 | mlxsw_reg_pfcc_pack(pfcc_pl, mlxsw_sp_port->local_port); | |
1370 | mlxsw_reg_pfcc_pprx_set(pfcc_pl, pause->rx_pause); | |
1371 | mlxsw_reg_pfcc_pptx_set(pfcc_pl, pause->tx_pause); | |
1372 | ||
1373 | return mlxsw_reg_write(mlxsw_sp_port->mlxsw_sp->core, MLXSW_REG(pfcc), | |
1374 | pfcc_pl); | |
1375 | } | |
1376 | ||
1377 | static int mlxsw_sp_port_set_pauseparam(struct net_device *dev, | |
1378 | struct ethtool_pauseparam *pause) | |
1379 | { | |
1380 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
1381 | bool pause_en = pause->tx_pause || pause->rx_pause; | |
1382 | int err; | |
1383 | ||
d81a6bdb IS |
1384 | if (mlxsw_sp_port->dcb.pfc && mlxsw_sp_port->dcb.pfc->pfc_en) { |
1385 | netdev_err(dev, "PFC already enabled on port\n"); | |
1386 | return -EINVAL; | |
1387 | } | |
1388 | ||
9f7ec052 IS |
1389 | if (pause->autoneg) { |
1390 | netdev_err(dev, "PAUSE frames autonegotiation isn't supported\n"); | |
1391 | return -EINVAL; | |
1392 | } | |
1393 | ||
1394 | err = mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en); | |
1395 | if (err) { | |
1396 | netdev_err(dev, "Failed to configure port's headroom\n"); | |
1397 | return err; | |
1398 | } | |
1399 | ||
1400 | err = mlxsw_sp_port_pause_set(mlxsw_sp_port, pause); | |
1401 | if (err) { | |
1402 | netdev_err(dev, "Failed to set PAUSE parameters\n"); | |
1403 | goto err_port_pause_configure; | |
1404 | } | |
1405 | ||
1406 | mlxsw_sp_port->link.rx_pause = pause->rx_pause; | |
1407 | mlxsw_sp_port->link.tx_pause = pause->tx_pause; | |
1408 | ||
1409 | return 0; | |
1410 | ||
1411 | err_port_pause_configure: | |
1412 | pause_en = mlxsw_sp_port_is_pause_en(mlxsw_sp_port); | |
1413 | mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en); | |
1414 | return err; | |
1415 | } | |
1416 | ||
56ade8fe JP |
1417 | struct mlxsw_sp_port_hw_stats { |
1418 | char str[ETH_GSTRING_LEN]; | |
412791df | 1419 | u64 (*getter)(const char *payload); |
56ade8fe JP |
1420 | }; |
1421 | ||
7ed674bc | 1422 | static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_stats[] = { |
56ade8fe JP |
1423 | { |
1424 | .str = "a_frames_transmitted_ok", | |
1425 | .getter = mlxsw_reg_ppcnt_a_frames_transmitted_ok_get, | |
1426 | }, | |
1427 | { | |
1428 | .str = "a_frames_received_ok", | |
1429 | .getter = mlxsw_reg_ppcnt_a_frames_received_ok_get, | |
1430 | }, | |
1431 | { | |
1432 | .str = "a_frame_check_sequence_errors", | |
1433 | .getter = mlxsw_reg_ppcnt_a_frame_check_sequence_errors_get, | |
1434 | }, | |
1435 | { | |
1436 | .str = "a_alignment_errors", | |
1437 | .getter = mlxsw_reg_ppcnt_a_alignment_errors_get, | |
1438 | }, | |
1439 | { | |
1440 | .str = "a_octets_transmitted_ok", | |
1441 | .getter = mlxsw_reg_ppcnt_a_octets_transmitted_ok_get, | |
1442 | }, | |
1443 | { | |
1444 | .str = "a_octets_received_ok", | |
1445 | .getter = mlxsw_reg_ppcnt_a_octets_received_ok_get, | |
1446 | }, | |
1447 | { | |
1448 | .str = "a_multicast_frames_xmitted_ok", | |
1449 | .getter = mlxsw_reg_ppcnt_a_multicast_frames_xmitted_ok_get, | |
1450 | }, | |
1451 | { | |
1452 | .str = "a_broadcast_frames_xmitted_ok", | |
1453 | .getter = mlxsw_reg_ppcnt_a_broadcast_frames_xmitted_ok_get, | |
1454 | }, | |
1455 | { | |
1456 | .str = "a_multicast_frames_received_ok", | |
1457 | .getter = mlxsw_reg_ppcnt_a_multicast_frames_received_ok_get, | |
1458 | }, | |
1459 | { | |
1460 | .str = "a_broadcast_frames_received_ok", | |
1461 | .getter = mlxsw_reg_ppcnt_a_broadcast_frames_received_ok_get, | |
1462 | }, | |
1463 | { | |
1464 | .str = "a_in_range_length_errors", | |
1465 | .getter = mlxsw_reg_ppcnt_a_in_range_length_errors_get, | |
1466 | }, | |
1467 | { | |
1468 | .str = "a_out_of_range_length_field", | |
1469 | .getter = mlxsw_reg_ppcnt_a_out_of_range_length_field_get, | |
1470 | }, | |
1471 | { | |
1472 | .str = "a_frame_too_long_errors", | |
1473 | .getter = mlxsw_reg_ppcnt_a_frame_too_long_errors_get, | |
1474 | }, | |
1475 | { | |
1476 | .str = "a_symbol_error_during_carrier", | |
1477 | .getter = mlxsw_reg_ppcnt_a_symbol_error_during_carrier_get, | |
1478 | }, | |
1479 | { | |
1480 | .str = "a_mac_control_frames_transmitted", | |
1481 | .getter = mlxsw_reg_ppcnt_a_mac_control_frames_transmitted_get, | |
1482 | }, | |
1483 | { | |
1484 | .str = "a_mac_control_frames_received", | |
1485 | .getter = mlxsw_reg_ppcnt_a_mac_control_frames_received_get, | |
1486 | }, | |
1487 | { | |
1488 | .str = "a_unsupported_opcodes_received", | |
1489 | .getter = mlxsw_reg_ppcnt_a_unsupported_opcodes_received_get, | |
1490 | }, | |
1491 | { | |
1492 | .str = "a_pause_mac_ctrl_frames_received", | |
1493 | .getter = mlxsw_reg_ppcnt_a_pause_mac_ctrl_frames_received_get, | |
1494 | }, | |
1495 | { | |
1496 | .str = "a_pause_mac_ctrl_frames_xmitted", | |
1497 | .getter = mlxsw_reg_ppcnt_a_pause_mac_ctrl_frames_transmitted_get, | |
1498 | }, | |
1499 | }; | |
1500 | ||
1501 | #define MLXSW_SP_PORT_HW_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_stats) | |
1502 | ||
7ed674bc IS |
1503 | static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_prio_stats[] = { |
1504 | { | |
1505 | .str = "rx_octets_prio", | |
1506 | .getter = mlxsw_reg_ppcnt_rx_octets_get, | |
1507 | }, | |
1508 | { | |
1509 | .str = "rx_frames_prio", | |
1510 | .getter = mlxsw_reg_ppcnt_rx_frames_get, | |
1511 | }, | |
1512 | { | |
1513 | .str = "tx_octets_prio", | |
1514 | .getter = mlxsw_reg_ppcnt_tx_octets_get, | |
1515 | }, | |
1516 | { | |
1517 | .str = "tx_frames_prio", | |
1518 | .getter = mlxsw_reg_ppcnt_tx_frames_get, | |
1519 | }, | |
1520 | { | |
1521 | .str = "rx_pause_prio", | |
1522 | .getter = mlxsw_reg_ppcnt_rx_pause_get, | |
1523 | }, | |
1524 | { | |
1525 | .str = "rx_pause_duration_prio", | |
1526 | .getter = mlxsw_reg_ppcnt_rx_pause_duration_get, | |
1527 | }, | |
1528 | { | |
1529 | .str = "tx_pause_prio", | |
1530 | .getter = mlxsw_reg_ppcnt_tx_pause_get, | |
1531 | }, | |
1532 | { | |
1533 | .str = "tx_pause_duration_prio", | |
1534 | .getter = mlxsw_reg_ppcnt_tx_pause_duration_get, | |
1535 | }, | |
1536 | }; | |
1537 | ||
1538 | #define MLXSW_SP_PORT_HW_PRIO_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_prio_stats) | |
1539 | ||
412791df | 1540 | static u64 mlxsw_reg_ppcnt_tc_transmit_queue_bytes_get(const char *ppcnt_pl) |
df4750e8 IS |
1541 | { |
1542 | u64 transmit_queue = mlxsw_reg_ppcnt_tc_transmit_queue_get(ppcnt_pl); | |
1543 | ||
1544 | return MLXSW_SP_CELLS_TO_BYTES(transmit_queue); | |
1545 | } | |
1546 | ||
1547 | static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_tc_stats[] = { | |
1548 | { | |
1549 | .str = "tc_transmit_queue_tc", | |
1550 | .getter = mlxsw_reg_ppcnt_tc_transmit_queue_bytes_get, | |
1551 | }, | |
1552 | { | |
1553 | .str = "tc_no_buffer_discard_uc_tc", | |
1554 | .getter = mlxsw_reg_ppcnt_tc_no_buffer_discard_uc_get, | |
1555 | }, | |
1556 | }; | |
1557 | ||
1558 | #define MLXSW_SP_PORT_HW_TC_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_tc_stats) | |
1559 | ||
7ed674bc | 1560 | #define MLXSW_SP_PORT_ETHTOOL_STATS_LEN (MLXSW_SP_PORT_HW_STATS_LEN + \ |
df4750e8 IS |
1561 | (MLXSW_SP_PORT_HW_PRIO_STATS_LEN + \ |
1562 | MLXSW_SP_PORT_HW_TC_STATS_LEN) * \ | |
7ed674bc IS |
1563 | IEEE_8021QAZ_MAX_TCS) |
1564 | ||
1565 | static void mlxsw_sp_port_get_prio_strings(u8 **p, int prio) | |
1566 | { | |
1567 | int i; | |
1568 | ||
1569 | for (i = 0; i < MLXSW_SP_PORT_HW_PRIO_STATS_LEN; i++) { | |
1570 | snprintf(*p, ETH_GSTRING_LEN, "%s_%d", | |
1571 | mlxsw_sp_port_hw_prio_stats[i].str, prio); | |
1572 | *p += ETH_GSTRING_LEN; | |
1573 | } | |
1574 | } | |
1575 | ||
df4750e8 IS |
1576 | static void mlxsw_sp_port_get_tc_strings(u8 **p, int tc) |
1577 | { | |
1578 | int i; | |
1579 | ||
1580 | for (i = 0; i < MLXSW_SP_PORT_HW_TC_STATS_LEN; i++) { | |
1581 | snprintf(*p, ETH_GSTRING_LEN, "%s_%d", | |
1582 | mlxsw_sp_port_hw_tc_stats[i].str, tc); | |
1583 | *p += ETH_GSTRING_LEN; | |
1584 | } | |
1585 | } | |
1586 | ||
56ade8fe JP |
1587 | static void mlxsw_sp_port_get_strings(struct net_device *dev, |
1588 | u32 stringset, u8 *data) | |
1589 | { | |
1590 | u8 *p = data; | |
1591 | int i; | |
1592 | ||
1593 | switch (stringset) { | |
1594 | case ETH_SS_STATS: | |
1595 | for (i = 0; i < MLXSW_SP_PORT_HW_STATS_LEN; i++) { | |
1596 | memcpy(p, mlxsw_sp_port_hw_stats[i].str, | |
1597 | ETH_GSTRING_LEN); | |
1598 | p += ETH_GSTRING_LEN; | |
1599 | } | |
7ed674bc IS |
1600 | |
1601 | for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) | |
1602 | mlxsw_sp_port_get_prio_strings(&p, i); | |
1603 | ||
df4750e8 IS |
1604 | for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) |
1605 | mlxsw_sp_port_get_tc_strings(&p, i); | |
1606 | ||
56ade8fe JP |
1607 | break; |
1608 | } | |
1609 | } | |
1610 | ||
3a66ee38 IS |
1611 | static int mlxsw_sp_port_set_phys_id(struct net_device *dev, |
1612 | enum ethtool_phys_id_state state) | |
1613 | { | |
1614 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
1615 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1616 | char mlcr_pl[MLXSW_REG_MLCR_LEN]; | |
1617 | bool active; | |
1618 | ||
1619 | switch (state) { | |
1620 | case ETHTOOL_ID_ACTIVE: | |
1621 | active = true; | |
1622 | break; | |
1623 | case ETHTOOL_ID_INACTIVE: | |
1624 | active = false; | |
1625 | break; | |
1626 | default: | |
1627 | return -EOPNOTSUPP; | |
1628 | } | |
1629 | ||
1630 | mlxsw_reg_mlcr_pack(mlcr_pl, mlxsw_sp_port->local_port, active); | |
1631 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mlcr), mlcr_pl); | |
1632 | } | |
1633 | ||
7ed674bc IS |
1634 | static int |
1635 | mlxsw_sp_get_hw_stats_by_group(struct mlxsw_sp_port_hw_stats **p_hw_stats, | |
1636 | int *p_len, enum mlxsw_reg_ppcnt_grp grp) | |
1637 | { | |
1638 | switch (grp) { | |
1639 | case MLXSW_REG_PPCNT_IEEE_8023_CNT: | |
1640 | *p_hw_stats = mlxsw_sp_port_hw_stats; | |
1641 | *p_len = MLXSW_SP_PORT_HW_STATS_LEN; | |
1642 | break; | |
1643 | case MLXSW_REG_PPCNT_PRIO_CNT: | |
1644 | *p_hw_stats = mlxsw_sp_port_hw_prio_stats; | |
1645 | *p_len = MLXSW_SP_PORT_HW_PRIO_STATS_LEN; | |
1646 | break; | |
df4750e8 IS |
1647 | case MLXSW_REG_PPCNT_TC_CNT: |
1648 | *p_hw_stats = mlxsw_sp_port_hw_tc_stats; | |
1649 | *p_len = MLXSW_SP_PORT_HW_TC_STATS_LEN; | |
1650 | break; | |
7ed674bc IS |
1651 | default: |
1652 | WARN_ON(1); | |
1653 | return -ENOTSUPP; | |
1654 | } | |
1655 | return 0; | |
1656 | } | |
1657 | ||
1658 | static void __mlxsw_sp_port_get_stats(struct net_device *dev, | |
1659 | enum mlxsw_reg_ppcnt_grp grp, int prio, | |
1660 | u64 *data, int data_index) | |
56ade8fe | 1661 | { |
7ed674bc | 1662 | struct mlxsw_sp_port_hw_stats *hw_stats; |
56ade8fe | 1663 | char ppcnt_pl[MLXSW_REG_PPCNT_LEN]; |
7ed674bc | 1664 | int i, len; |
56ade8fe JP |
1665 | int err; |
1666 | ||
7ed674bc IS |
1667 | err = mlxsw_sp_get_hw_stats_by_group(&hw_stats, &len, grp); |
1668 | if (err) | |
1669 | return; | |
fc1bbb0f | 1670 | mlxsw_sp_port_get_stats_raw(dev, grp, prio, ppcnt_pl); |
7ed674bc | 1671 | for (i = 0; i < len; i++) |
faac0ff0 | 1672 | data[data_index + i] = hw_stats[i].getter(ppcnt_pl); |
7ed674bc IS |
1673 | } |
1674 | ||
1675 | static void mlxsw_sp_port_get_stats(struct net_device *dev, | |
1676 | struct ethtool_stats *stats, u64 *data) | |
1677 | { | |
1678 | int i, data_index = 0; | |
1679 | ||
1680 | /* IEEE 802.3 Counters */ | |
1681 | __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT, 0, | |
1682 | data, data_index); | |
1683 | data_index = MLXSW_SP_PORT_HW_STATS_LEN; | |
1684 | ||
1685 | /* Per-Priority Counters */ | |
1686 | for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { | |
1687 | __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_PRIO_CNT, i, | |
1688 | data, data_index); | |
1689 | data_index += MLXSW_SP_PORT_HW_PRIO_STATS_LEN; | |
1690 | } | |
df4750e8 IS |
1691 | |
1692 | /* Per-TC Counters */ | |
1693 | for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { | |
1694 | __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_TC_CNT, i, | |
1695 | data, data_index); | |
1696 | data_index += MLXSW_SP_PORT_HW_TC_STATS_LEN; | |
1697 | } | |
56ade8fe JP |
1698 | } |
1699 | ||
1700 | static int mlxsw_sp_port_get_sset_count(struct net_device *dev, int sset) | |
1701 | { | |
1702 | switch (sset) { | |
1703 | case ETH_SS_STATS: | |
7ed674bc | 1704 | return MLXSW_SP_PORT_ETHTOOL_STATS_LEN; |
56ade8fe JP |
1705 | default: |
1706 | return -EOPNOTSUPP; | |
1707 | } | |
1708 | } | |
1709 | ||
1710 | struct mlxsw_sp_port_link_mode { | |
b9d66a36 | 1711 | enum ethtool_link_mode_bit_indices mask_ethtool; |
56ade8fe | 1712 | u32 mask; |
56ade8fe JP |
1713 | u32 speed; |
1714 | }; | |
1715 | ||
1716 | static const struct mlxsw_sp_port_link_mode mlxsw_sp_port_link_mode[] = { | |
1717 | { | |
1718 | .mask = MLXSW_REG_PTYS_ETH_SPEED_100BASE_T, | |
b9d66a36 IS |
1719 | .mask_ethtool = ETHTOOL_LINK_MODE_100baseT_Full_BIT, |
1720 | .speed = SPEED_100, | |
56ade8fe JP |
1721 | }, |
1722 | { | |
1723 | .mask = MLXSW_REG_PTYS_ETH_SPEED_SGMII | | |
1724 | MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX, | |
b9d66a36 IS |
1725 | .mask_ethtool = ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, |
1726 | .speed = SPEED_1000, | |
56ade8fe JP |
1727 | }, |
1728 | { | |
1729 | .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_T, | |
b9d66a36 IS |
1730 | .mask_ethtool = ETHTOOL_LINK_MODE_10000baseT_Full_BIT, |
1731 | .speed = SPEED_10000, | |
56ade8fe JP |
1732 | }, |
1733 | { | |
1734 | .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CX4 | | |
1735 | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4, | |
b9d66a36 IS |
1736 | .mask_ethtool = ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, |
1737 | .speed = SPEED_10000, | |
56ade8fe JP |
1738 | }, |
1739 | { | |
1740 | .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR | | |
1741 | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR | | |
1742 | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR | | |
1743 | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_ER_LR, | |
b9d66a36 IS |
1744 | .mask_ethtool = ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, |
1745 | .speed = SPEED_10000, | |
56ade8fe JP |
1746 | }, |
1747 | { | |
1748 | .mask = MLXSW_REG_PTYS_ETH_SPEED_20GBASE_KR2, | |
b9d66a36 IS |
1749 | .mask_ethtool = ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT, |
1750 | .speed = SPEED_20000, | |
56ade8fe JP |
1751 | }, |
1752 | { | |
1753 | .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4, | |
b9d66a36 IS |
1754 | .mask_ethtool = ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, |
1755 | .speed = SPEED_40000, | |
56ade8fe JP |
1756 | }, |
1757 | { | |
1758 | .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4, | |
b9d66a36 IS |
1759 | .mask_ethtool = ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, |
1760 | .speed = SPEED_40000, | |
56ade8fe JP |
1761 | }, |
1762 | { | |
1763 | .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4, | |
b9d66a36 IS |
1764 | .mask_ethtool = ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT, |
1765 | .speed = SPEED_40000, | |
56ade8fe JP |
1766 | }, |
1767 | { | |
1768 | .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_LR4_ER4, | |
b9d66a36 IS |
1769 | .mask_ethtool = ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT, |
1770 | .speed = SPEED_40000, | |
1771 | }, | |
1772 | { | |
1773 | .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_CR, | |
1774 | .mask_ethtool = ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, | |
1775 | .speed = SPEED_25000, | |
1776 | }, | |
1777 | { | |
1778 | .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_KR, | |
1779 | .mask_ethtool = ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, | |
1780 | .speed = SPEED_25000, | |
1781 | }, | |
1782 | { | |
1783 | .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_SR, | |
1784 | .mask_ethtool = ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, | |
1785 | .speed = SPEED_25000, | |
56ade8fe JP |
1786 | }, |
1787 | { | |
b9d66a36 IS |
1788 | .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_SR, |
1789 | .mask_ethtool = ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, | |
1790 | .speed = SPEED_25000, | |
56ade8fe JP |
1791 | }, |
1792 | { | |
b9d66a36 IS |
1793 | .mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_CR2, |
1794 | .mask_ethtool = ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT, | |
1795 | .speed = SPEED_50000, | |
1796 | }, | |
1797 | { | |
1798 | .mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_KR2, | |
1799 | .mask_ethtool = ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT, | |
1800 | .speed = SPEED_50000, | |
1801 | }, | |
1802 | { | |
1803 | .mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_SR2, | |
1804 | .mask_ethtool = ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT, | |
1805 | .speed = SPEED_50000, | |
56ade8fe JP |
1806 | }, |
1807 | { | |
1808 | .mask = MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4, | |
b9d66a36 IS |
1809 | .mask_ethtool = ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT, |
1810 | .speed = SPEED_56000, | |
56ade8fe JP |
1811 | }, |
1812 | { | |
b9d66a36 IS |
1813 | .mask = MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4, |
1814 | .mask_ethtool = ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT, | |
1815 | .speed = SPEED_56000, | |
1816 | }, | |
1817 | { | |
1818 | .mask = MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4, | |
1819 | .mask_ethtool = ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT, | |
1820 | .speed = SPEED_56000, | |
1821 | }, | |
1822 | { | |
1823 | .mask = MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4, | |
1824 | .mask_ethtool = ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT, | |
1825 | .speed = SPEED_56000, | |
1826 | }, | |
1827 | { | |
1828 | .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_CR4, | |
1829 | .mask_ethtool = ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, | |
1830 | .speed = SPEED_100000, | |
1831 | }, | |
1832 | { | |
1833 | .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4, | |
1834 | .mask_ethtool = ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT, | |
1835 | .speed = SPEED_100000, | |
1836 | }, | |
1837 | { | |
1838 | .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4, | |
1839 | .mask_ethtool = ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, | |
1840 | .speed = SPEED_100000, | |
1841 | }, | |
1842 | { | |
1843 | .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_LR4_ER4, | |
1844 | .mask_ethtool = ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT, | |
1845 | .speed = SPEED_100000, | |
56ade8fe JP |
1846 | }, |
1847 | }; | |
1848 | ||
1849 | #define MLXSW_SP_PORT_LINK_MODE_LEN ARRAY_SIZE(mlxsw_sp_port_link_mode) | |
1850 | ||
b9d66a36 IS |
1851 | static void |
1852 | mlxsw_sp_from_ptys_supported_port(u32 ptys_eth_proto, | |
1853 | struct ethtool_link_ksettings *cmd) | |
56ade8fe JP |
1854 | { |
1855 | if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR | | |
1856 | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR | | |
1857 | MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4 | | |
1858 | MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4 | | |
1859 | MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4 | | |
1860 | MLXSW_REG_PTYS_ETH_SPEED_SGMII)) | |
b9d66a36 | 1861 | ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE); |
56ade8fe JP |
1862 | |
1863 | if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR | | |
1864 | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4 | | |
1865 | MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4 | | |
1866 | MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4 | | |
1867 | MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX)) | |
b9d66a36 | 1868 | ethtool_link_ksettings_add_link_mode(cmd, supported, Backplane); |
56ade8fe JP |
1869 | } |
1870 | ||
b9d66a36 | 1871 | static void mlxsw_sp_from_ptys_link(u32 ptys_eth_proto, unsigned long *mode) |
56ade8fe | 1872 | { |
56ade8fe JP |
1873 | int i; |
1874 | ||
1875 | for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { | |
1876 | if (ptys_eth_proto & mlxsw_sp_port_link_mode[i].mask) | |
b9d66a36 IS |
1877 | __set_bit(mlxsw_sp_port_link_mode[i].mask_ethtool, |
1878 | mode); | |
56ade8fe | 1879 | } |
56ade8fe JP |
1880 | } |
1881 | ||
1882 | static void mlxsw_sp_from_ptys_speed_duplex(bool carrier_ok, u32 ptys_eth_proto, | |
b9d66a36 | 1883 | struct ethtool_link_ksettings *cmd) |
56ade8fe JP |
1884 | { |
1885 | u32 speed = SPEED_UNKNOWN; | |
1886 | u8 duplex = DUPLEX_UNKNOWN; | |
1887 | int i; | |
1888 | ||
1889 | if (!carrier_ok) | |
1890 | goto out; | |
1891 | ||
1892 | for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { | |
1893 | if (ptys_eth_proto & mlxsw_sp_port_link_mode[i].mask) { | |
1894 | speed = mlxsw_sp_port_link_mode[i].speed; | |
1895 | duplex = DUPLEX_FULL; | |
1896 | break; | |
1897 | } | |
1898 | } | |
1899 | out: | |
b9d66a36 IS |
1900 | cmd->base.speed = speed; |
1901 | cmd->base.duplex = duplex; | |
56ade8fe JP |
1902 | } |
1903 | ||
1904 | static u8 mlxsw_sp_port_connector_port(u32 ptys_eth_proto) | |
1905 | { | |
1906 | if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR | | |
1907 | MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4 | | |
1908 | MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4 | | |
1909 | MLXSW_REG_PTYS_ETH_SPEED_SGMII)) | |
1910 | return PORT_FIBRE; | |
1911 | ||
1912 | if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR | | |
1913 | MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4 | | |
1914 | MLXSW_REG_PTYS_ETH_SPEED_100GBASE_CR4)) | |
1915 | return PORT_DA; | |
1916 | ||
1917 | if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR | | |
1918 | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4 | | |
1919 | MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4 | | |
1920 | MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4)) | |
1921 | return PORT_NONE; | |
1922 | ||
1923 | return PORT_OTHER; | |
1924 | } | |
1925 | ||
b9d66a36 IS |
1926 | static u32 |
1927 | mlxsw_sp_to_ptys_advert_link(const struct ethtool_link_ksettings *cmd) | |
56ade8fe JP |
1928 | { |
1929 | u32 ptys_proto = 0; | |
1930 | int i; | |
1931 | ||
1932 | for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { | |
b9d66a36 IS |
1933 | if (test_bit(mlxsw_sp_port_link_mode[i].mask_ethtool, |
1934 | cmd->link_modes.advertising)) | |
56ade8fe JP |
1935 | ptys_proto |= mlxsw_sp_port_link_mode[i].mask; |
1936 | } | |
1937 | return ptys_proto; | |
1938 | } | |
1939 | ||
1940 | static u32 mlxsw_sp_to_ptys_speed(u32 speed) | |
1941 | { | |
1942 | u32 ptys_proto = 0; | |
1943 | int i; | |
1944 | ||
1945 | for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { | |
1946 | if (speed == mlxsw_sp_port_link_mode[i].speed) | |
1947 | ptys_proto |= mlxsw_sp_port_link_mode[i].mask; | |
1948 | } | |
1949 | return ptys_proto; | |
1950 | } | |
1951 | ||
18f1e70c IS |
1952 | static u32 mlxsw_sp_to_ptys_upper_speed(u32 upper_speed) |
1953 | { | |
1954 | u32 ptys_proto = 0; | |
1955 | int i; | |
1956 | ||
1957 | for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { | |
1958 | if (mlxsw_sp_port_link_mode[i].speed <= upper_speed) | |
1959 | ptys_proto |= mlxsw_sp_port_link_mode[i].mask; | |
1960 | } | |
1961 | return ptys_proto; | |
1962 | } | |
1963 | ||
b9d66a36 IS |
1964 | static void mlxsw_sp_port_get_link_supported(u32 eth_proto_cap, |
1965 | struct ethtool_link_ksettings *cmd) | |
1966 | { | |
1967 | ethtool_link_ksettings_add_link_mode(cmd, supported, Asym_Pause); | |
1968 | ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg); | |
1969 | ethtool_link_ksettings_add_link_mode(cmd, supported, Pause); | |
1970 | ||
1971 | mlxsw_sp_from_ptys_supported_port(eth_proto_cap, cmd); | |
1972 | mlxsw_sp_from_ptys_link(eth_proto_cap, cmd->link_modes.supported); | |
1973 | } | |
1974 | ||
1975 | static void mlxsw_sp_port_get_link_advertise(u32 eth_proto_admin, bool autoneg, | |
1976 | struct ethtool_link_ksettings *cmd) | |
56ade8fe | 1977 | { |
b9d66a36 IS |
1978 | if (!autoneg) |
1979 | return; | |
1980 | ||
1981 | ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg); | |
1982 | mlxsw_sp_from_ptys_link(eth_proto_admin, cmd->link_modes.advertising); | |
1983 | } | |
1984 | ||
1985 | static void | |
1986 | mlxsw_sp_port_get_link_lp_advertise(u32 eth_proto_lp, u8 autoneg_status, | |
1987 | struct ethtool_link_ksettings *cmd) | |
1988 | { | |
1989 | if (autoneg_status != MLXSW_REG_PTYS_AN_STATUS_OK || !eth_proto_lp) | |
1990 | return; | |
1991 | ||
1992 | ethtool_link_ksettings_add_link_mode(cmd, lp_advertising, Autoneg); | |
1993 | mlxsw_sp_from_ptys_link(eth_proto_lp, cmd->link_modes.lp_advertising); | |
1994 | } | |
1995 | ||
1996 | static int mlxsw_sp_port_get_link_ksettings(struct net_device *dev, | |
1997 | struct ethtool_link_ksettings *cmd) | |
1998 | { | |
1999 | u32 eth_proto_cap, eth_proto_admin, eth_proto_oper, eth_proto_lp; | |
56ade8fe JP |
2000 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); |
2001 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
2002 | char ptys_pl[MLXSW_REG_PTYS_LEN]; | |
b9d66a36 | 2003 | u8 autoneg_status; |
0c83f88c | 2004 | bool autoneg; |
56ade8fe JP |
2005 | int err; |
2006 | ||
b9d66a36 | 2007 | autoneg = mlxsw_sp_port->link.autoneg; |
401c8b4e | 2008 | mlxsw_reg_ptys_eth_pack(ptys_pl, mlxsw_sp_port->local_port, 0); |
b9d66a36 IS |
2009 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); |
2010 | if (err) | |
2011 | return err; | |
401c8b4e ER |
2012 | mlxsw_reg_ptys_eth_unpack(ptys_pl, ð_proto_cap, ð_proto_admin, |
2013 | ð_proto_oper); | |
b9d66a36 IS |
2014 | |
2015 | mlxsw_sp_port_get_link_supported(eth_proto_cap, cmd); | |
56ade8fe | 2016 | |
b9d66a36 IS |
2017 | mlxsw_sp_port_get_link_advertise(eth_proto_admin, autoneg, cmd); |
2018 | ||
2019 | eth_proto_lp = mlxsw_reg_ptys_eth_proto_lp_advertise_get(ptys_pl); | |
2020 | autoneg_status = mlxsw_reg_ptys_an_status_get(ptys_pl); | |
2021 | mlxsw_sp_port_get_link_lp_advertise(eth_proto_lp, autoneg_status, cmd); | |
2022 | ||
2023 | cmd->base.autoneg = autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE; | |
2024 | cmd->base.port = mlxsw_sp_port_connector_port(eth_proto_oper); | |
2025 | mlxsw_sp_from_ptys_speed_duplex(netif_carrier_ok(dev), eth_proto_oper, | |
2026 | cmd); | |
2027 | ||
2028 | return 0; | |
2029 | } | |
2030 | ||
2031 | static int | |
2032 | mlxsw_sp_port_set_link_ksettings(struct net_device *dev, | |
2033 | const struct ethtool_link_ksettings *cmd) | |
2034 | { | |
2035 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
2036 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
2037 | char ptys_pl[MLXSW_REG_PTYS_LEN]; | |
2038 | u32 eth_proto_cap, eth_proto_new; | |
2039 | bool autoneg; | |
2040 | int err; | |
56ade8fe | 2041 | |
401c8b4e | 2042 | mlxsw_reg_ptys_eth_pack(ptys_pl, mlxsw_sp_port->local_port, 0); |
56ade8fe | 2043 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); |
b9d66a36 | 2044 | if (err) |
56ade8fe | 2045 | return err; |
401c8b4e | 2046 | mlxsw_reg_ptys_eth_unpack(ptys_pl, ð_proto_cap, NULL, NULL); |
b9d66a36 IS |
2047 | |
2048 | autoneg = cmd->base.autoneg == AUTONEG_ENABLE; | |
2049 | eth_proto_new = autoneg ? | |
2050 | mlxsw_sp_to_ptys_advert_link(cmd) : | |
2051 | mlxsw_sp_to_ptys_speed(cmd->base.speed); | |
56ade8fe JP |
2052 | |
2053 | eth_proto_new = eth_proto_new & eth_proto_cap; | |
2054 | if (!eth_proto_new) { | |
b9d66a36 | 2055 | netdev_err(dev, "No supported speed requested\n"); |
56ade8fe JP |
2056 | return -EINVAL; |
2057 | } | |
56ade8fe | 2058 | |
401c8b4e ER |
2059 | mlxsw_reg_ptys_eth_pack(ptys_pl, mlxsw_sp_port->local_port, |
2060 | eth_proto_new); | |
56ade8fe | 2061 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); |
b9d66a36 | 2062 | if (err) |
56ade8fe | 2063 | return err; |
56ade8fe | 2064 | |
6277d46b | 2065 | if (!netif_running(dev)) |
56ade8fe JP |
2066 | return 0; |
2067 | ||
0c83f88c IS |
2068 | mlxsw_sp_port->link.autoneg = autoneg; |
2069 | ||
b9d66a36 IS |
2070 | mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); |
2071 | mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true); | |
56ade8fe JP |
2072 | |
2073 | return 0; | |
2074 | } | |
2075 | ||
2076 | static const struct ethtool_ops mlxsw_sp_port_ethtool_ops = { | |
2077 | .get_drvinfo = mlxsw_sp_port_get_drvinfo, | |
2078 | .get_link = ethtool_op_get_link, | |
9f7ec052 IS |
2079 | .get_pauseparam = mlxsw_sp_port_get_pauseparam, |
2080 | .set_pauseparam = mlxsw_sp_port_set_pauseparam, | |
56ade8fe | 2081 | .get_strings = mlxsw_sp_port_get_strings, |
3a66ee38 | 2082 | .set_phys_id = mlxsw_sp_port_set_phys_id, |
56ade8fe JP |
2083 | .get_ethtool_stats = mlxsw_sp_port_get_stats, |
2084 | .get_sset_count = mlxsw_sp_port_get_sset_count, | |
b9d66a36 IS |
2085 | .get_link_ksettings = mlxsw_sp_port_get_link_ksettings, |
2086 | .set_link_ksettings = mlxsw_sp_port_set_link_ksettings, | |
56ade8fe JP |
2087 | }; |
2088 | ||
18f1e70c IS |
2089 | static int |
2090 | mlxsw_sp_port_speed_by_width_set(struct mlxsw_sp_port *mlxsw_sp_port, u8 width) | |
2091 | { | |
2092 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
2093 | u32 upper_speed = MLXSW_SP_PORT_BASE_SPEED * width; | |
2094 | char ptys_pl[MLXSW_REG_PTYS_LEN]; | |
2095 | u32 eth_proto_admin; | |
2096 | ||
2097 | eth_proto_admin = mlxsw_sp_to_ptys_upper_speed(upper_speed); | |
401c8b4e ER |
2098 | mlxsw_reg_ptys_eth_pack(ptys_pl, mlxsw_sp_port->local_port, |
2099 | eth_proto_admin); | |
18f1e70c IS |
2100 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); |
2101 | } | |
2102 | ||
8e8dfe9f IS |
2103 | int mlxsw_sp_port_ets_set(struct mlxsw_sp_port *mlxsw_sp_port, |
2104 | enum mlxsw_reg_qeec_hr hr, u8 index, u8 next_index, | |
2105 | bool dwrr, u8 dwrr_weight) | |
90183b98 IS |
2106 | { |
2107 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
2108 | char qeec_pl[MLXSW_REG_QEEC_LEN]; | |
2109 | ||
2110 | mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index, | |
2111 | next_index); | |
2112 | mlxsw_reg_qeec_de_set(qeec_pl, true); | |
2113 | mlxsw_reg_qeec_dwrr_set(qeec_pl, dwrr); | |
2114 | mlxsw_reg_qeec_dwrr_weight_set(qeec_pl, dwrr_weight); | |
2115 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl); | |
2116 | } | |
2117 | ||
cc7cf517 IS |
2118 | int mlxsw_sp_port_ets_maxrate_set(struct mlxsw_sp_port *mlxsw_sp_port, |
2119 | enum mlxsw_reg_qeec_hr hr, u8 index, | |
2120 | u8 next_index, u32 maxrate) | |
90183b98 IS |
2121 | { |
2122 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
2123 | char qeec_pl[MLXSW_REG_QEEC_LEN]; | |
2124 | ||
2125 | mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index, | |
2126 | next_index); | |
2127 | mlxsw_reg_qeec_mase_set(qeec_pl, true); | |
2128 | mlxsw_reg_qeec_max_shaper_rate_set(qeec_pl, maxrate); | |
2129 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl); | |
2130 | } | |
2131 | ||
8e8dfe9f IS |
2132 | int mlxsw_sp_port_prio_tc_set(struct mlxsw_sp_port *mlxsw_sp_port, |
2133 | u8 switch_prio, u8 tclass) | |
90183b98 IS |
2134 | { |
2135 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
2136 | char qtct_pl[MLXSW_REG_QTCT_LEN]; | |
2137 | ||
2138 | mlxsw_reg_qtct_pack(qtct_pl, mlxsw_sp_port->local_port, switch_prio, | |
2139 | tclass); | |
2140 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qtct), qtct_pl); | |
2141 | } | |
2142 | ||
2143 | static int mlxsw_sp_port_ets_init(struct mlxsw_sp_port *mlxsw_sp_port) | |
2144 | { | |
2145 | int err, i; | |
2146 | ||
2147 | /* Setup the elements hierarcy, so that each TC is linked to | |
2148 | * one subgroup, which are all member in the same group. | |
2149 | */ | |
2150 | err = mlxsw_sp_port_ets_set(mlxsw_sp_port, | |
2151 | MLXSW_REG_QEEC_HIERARCY_GROUP, 0, 0, false, | |
2152 | 0); | |
2153 | if (err) | |
2154 | return err; | |
2155 | for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { | |
2156 | err = mlxsw_sp_port_ets_set(mlxsw_sp_port, | |
2157 | MLXSW_REG_QEEC_HIERARCY_SUBGROUP, i, | |
2158 | 0, false, 0); | |
2159 | if (err) | |
2160 | return err; | |
2161 | } | |
2162 | for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { | |
2163 | err = mlxsw_sp_port_ets_set(mlxsw_sp_port, | |
2164 | MLXSW_REG_QEEC_HIERARCY_TC, i, i, | |
2165 | false, 0); | |
2166 | if (err) | |
2167 | return err; | |
2168 | } | |
2169 | ||
2170 | /* Make sure the max shaper is disabled in all hierarcies that | |
2171 | * support it. | |
2172 | */ | |
2173 | err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port, | |
2174 | MLXSW_REG_QEEC_HIERARCY_PORT, 0, 0, | |
2175 | MLXSW_REG_QEEC_MAS_DIS); | |
2176 | if (err) | |
2177 | return err; | |
2178 | for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { | |
2179 | err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port, | |
2180 | MLXSW_REG_QEEC_HIERARCY_SUBGROUP, | |
2181 | i, 0, | |
2182 | MLXSW_REG_QEEC_MAS_DIS); | |
2183 | if (err) | |
2184 | return err; | |
2185 | } | |
2186 | for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { | |
2187 | err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port, | |
2188 | MLXSW_REG_QEEC_HIERARCY_TC, | |
2189 | i, i, | |
2190 | MLXSW_REG_QEEC_MAS_DIS); | |
2191 | if (err) | |
2192 | return err; | |
2193 | } | |
2194 | ||
2195 | /* Map all priorities to traffic class 0. */ | |
2196 | for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { | |
2197 | err = mlxsw_sp_port_prio_tc_set(mlxsw_sp_port, i, 0); | |
2198 | if (err) | |
2199 | return err; | |
2200 | } | |
2201 | ||
2202 | return 0; | |
2203 | } | |
2204 | ||
05978481 IS |
2205 | static int mlxsw_sp_port_pvid_vport_create(struct mlxsw_sp_port *mlxsw_sp_port) |
2206 | { | |
2207 | mlxsw_sp_port->pvid = 1; | |
2208 | ||
2209 | return mlxsw_sp_port_add_vid(mlxsw_sp_port->dev, 0, 1); | |
2210 | } | |
2211 | ||
2212 | static int mlxsw_sp_port_pvid_vport_destroy(struct mlxsw_sp_port *mlxsw_sp_port) | |
2213 | { | |
2214 | return mlxsw_sp_port_kill_vid(mlxsw_sp_port->dev, 0, 1); | |
2215 | } | |
2216 | ||
67963a33 JP |
2217 | static int __mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port, |
2218 | bool split, u8 module, u8 width, u8 lane) | |
56ade8fe JP |
2219 | { |
2220 | struct mlxsw_sp_port *mlxsw_sp_port; | |
2221 | struct net_device *dev; | |
bd40e9d6 | 2222 | size_t bytes; |
56ade8fe JP |
2223 | int err; |
2224 | ||
2225 | dev = alloc_etherdev(sizeof(struct mlxsw_sp_port)); | |
2226 | if (!dev) | |
2227 | return -ENOMEM; | |
f20a91f1 | 2228 | SET_NETDEV_DEV(dev, mlxsw_sp->bus_info->dev); |
56ade8fe JP |
2229 | mlxsw_sp_port = netdev_priv(dev); |
2230 | mlxsw_sp_port->dev = dev; | |
2231 | mlxsw_sp_port->mlxsw_sp = mlxsw_sp; | |
2232 | mlxsw_sp_port->local_port = local_port; | |
18f1e70c | 2233 | mlxsw_sp_port->split = split; |
d664b41e IS |
2234 | mlxsw_sp_port->mapping.module = module; |
2235 | mlxsw_sp_port->mapping.width = width; | |
2236 | mlxsw_sp_port->mapping.lane = lane; | |
0c83f88c | 2237 | mlxsw_sp_port->link.autoneg = 1; |
bd40e9d6 IS |
2238 | bytes = DIV_ROUND_UP(VLAN_N_VID, BITS_PER_BYTE); |
2239 | mlxsw_sp_port->active_vlans = kzalloc(bytes, GFP_KERNEL); | |
2240 | if (!mlxsw_sp_port->active_vlans) { | |
2241 | err = -ENOMEM; | |
2242 | goto err_port_active_vlans_alloc; | |
2243 | } | |
fc1273af ER |
2244 | mlxsw_sp_port->untagged_vlans = kzalloc(bytes, GFP_KERNEL); |
2245 | if (!mlxsw_sp_port->untagged_vlans) { | |
2246 | err = -ENOMEM; | |
2247 | goto err_port_untagged_vlans_alloc; | |
2248 | } | |
7f71eb46 | 2249 | INIT_LIST_HEAD(&mlxsw_sp_port->vports_list); |
763b4b70 | 2250 | INIT_LIST_HEAD(&mlxsw_sp_port->mall_tc_list); |
56ade8fe JP |
2251 | |
2252 | mlxsw_sp_port->pcpu_stats = | |
2253 | netdev_alloc_pcpu_stats(struct mlxsw_sp_port_pcpu_stats); | |
2254 | if (!mlxsw_sp_port->pcpu_stats) { | |
2255 | err = -ENOMEM; | |
2256 | goto err_alloc_stats; | |
2257 | } | |
2258 | ||
fc1bbb0f NF |
2259 | mlxsw_sp_port->hw_stats.cache = |
2260 | kzalloc(sizeof(*mlxsw_sp_port->hw_stats.cache), GFP_KERNEL); | |
2261 | ||
2262 | if (!mlxsw_sp_port->hw_stats.cache) { | |
2263 | err = -ENOMEM; | |
2264 | goto err_alloc_hw_stats; | |
2265 | } | |
2266 | INIT_DELAYED_WORK(&mlxsw_sp_port->hw_stats.update_dw, | |
2267 | &update_stats_cache); | |
2268 | ||
56ade8fe JP |
2269 | dev->netdev_ops = &mlxsw_sp_port_netdev_ops; |
2270 | dev->ethtool_ops = &mlxsw_sp_port_ethtool_ops; | |
2271 | ||
3247ff2b IS |
2272 | err = mlxsw_sp_port_swid_set(mlxsw_sp_port, 0); |
2273 | if (err) { | |
2274 | dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set SWID\n", | |
2275 | mlxsw_sp_port->local_port); | |
2276 | goto err_port_swid_set; | |
2277 | } | |
2278 | ||
56ade8fe JP |
2279 | err = mlxsw_sp_port_dev_addr_init(mlxsw_sp_port); |
2280 | if (err) { | |
2281 | dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unable to init port mac address\n", | |
2282 | mlxsw_sp_port->local_port); | |
2283 | goto err_dev_addr_init; | |
2284 | } | |
2285 | ||
2286 | netif_carrier_off(dev); | |
2287 | ||
2288 | dev->features |= NETIF_F_NETNS_LOCAL | NETIF_F_LLTX | NETIF_F_SG | | |
763b4b70 YG |
2289 | NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_TC; |
2290 | dev->hw_features |= NETIF_F_HW_TC; | |
56ade8fe | 2291 | |
d894be57 JW |
2292 | dev->min_mtu = 0; |
2293 | dev->max_mtu = ETH_MAX_MTU; | |
2294 | ||
56ade8fe JP |
2295 | /* Each packet needs to have a Tx header (metadata) on top all other |
2296 | * headers. | |
2297 | */ | |
feb7d387 | 2298 | dev->needed_headroom = MLXSW_TXHDR_LEN; |
56ade8fe | 2299 | |
56ade8fe JP |
2300 | err = mlxsw_sp_port_system_port_mapping_set(mlxsw_sp_port); |
2301 | if (err) { | |
2302 | dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set system port mapping\n", | |
2303 | mlxsw_sp_port->local_port); | |
2304 | goto err_port_system_port_mapping_set; | |
2305 | } | |
2306 | ||
18f1e70c IS |
2307 | err = mlxsw_sp_port_speed_by_width_set(mlxsw_sp_port, width); |
2308 | if (err) { | |
2309 | dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to enable speeds\n", | |
2310 | mlxsw_sp_port->local_port); | |
2311 | goto err_port_speed_by_width_set; | |
2312 | } | |
2313 | ||
56ade8fe JP |
2314 | err = mlxsw_sp_port_mtu_set(mlxsw_sp_port, ETH_DATA_LEN); |
2315 | if (err) { | |
2316 | dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set MTU\n", | |
2317 | mlxsw_sp_port->local_port); | |
2318 | goto err_port_mtu_set; | |
2319 | } | |
2320 | ||
2321 | err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); | |
2322 | if (err) | |
2323 | goto err_port_admin_status_set; | |
2324 | ||
2325 | err = mlxsw_sp_port_buffers_init(mlxsw_sp_port); | |
2326 | if (err) { | |
2327 | dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize buffers\n", | |
2328 | mlxsw_sp_port->local_port); | |
2329 | goto err_port_buffers_init; | |
2330 | } | |
2331 | ||
90183b98 IS |
2332 | err = mlxsw_sp_port_ets_init(mlxsw_sp_port); |
2333 | if (err) { | |
2334 | dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize ETS\n", | |
2335 | mlxsw_sp_port->local_port); | |
2336 | goto err_port_ets_init; | |
2337 | } | |
2338 | ||
f00817df IS |
2339 | /* ETS and buffers must be initialized before DCB. */ |
2340 | err = mlxsw_sp_port_dcb_init(mlxsw_sp_port); | |
2341 | if (err) { | |
2342 | dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize DCB\n", | |
2343 | mlxsw_sp_port->local_port); | |
2344 | goto err_port_dcb_init; | |
2345 | } | |
2346 | ||
05978481 IS |
2347 | err = mlxsw_sp_port_pvid_vport_create(mlxsw_sp_port); |
2348 | if (err) { | |
2349 | dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to create PVID vPort\n", | |
2350 | mlxsw_sp_port->local_port); | |
2351 | goto err_port_pvid_vport_create; | |
2352 | } | |
2353 | ||
56ade8fe | 2354 | mlxsw_sp_port_switchdev_init(mlxsw_sp_port); |
2f25844c | 2355 | mlxsw_sp->ports[local_port] = mlxsw_sp_port; |
56ade8fe JP |
2356 | err = register_netdev(dev); |
2357 | if (err) { | |
2358 | dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to register netdev\n", | |
2359 | mlxsw_sp_port->local_port); | |
2360 | goto err_register_netdev; | |
2361 | } | |
2362 | ||
d808c7e4 ER |
2363 | mlxsw_core_port_eth_set(mlxsw_sp->core, mlxsw_sp_port->local_port, |
2364 | mlxsw_sp_port, dev, mlxsw_sp_port->split, | |
2365 | module); | |
fc1bbb0f | 2366 | mlxsw_core_schedule_dw(&mlxsw_sp_port->hw_stats.update_dw, 0); |
56ade8fe JP |
2367 | return 0; |
2368 | ||
56ade8fe | 2369 | err_register_netdev: |
2f25844c | 2370 | mlxsw_sp->ports[local_port] = NULL; |
0583272d | 2371 | mlxsw_sp_port_switchdev_fini(mlxsw_sp_port); |
05978481 IS |
2372 | mlxsw_sp_port_pvid_vport_destroy(mlxsw_sp_port); |
2373 | err_port_pvid_vport_create: | |
4de34eb5 | 2374 | mlxsw_sp_port_dcb_fini(mlxsw_sp_port); |
f00817df | 2375 | err_port_dcb_init: |
90183b98 | 2376 | err_port_ets_init: |
56ade8fe JP |
2377 | err_port_buffers_init: |
2378 | err_port_admin_status_set: | |
2379 | err_port_mtu_set: | |
18f1e70c | 2380 | err_port_speed_by_width_set: |
56ade8fe | 2381 | err_port_system_port_mapping_set: |
56ade8fe | 2382 | err_dev_addr_init: |
3247ff2b IS |
2383 | mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT); |
2384 | err_port_swid_set: | |
fc1bbb0f NF |
2385 | kfree(mlxsw_sp_port->hw_stats.cache); |
2386 | err_alloc_hw_stats: | |
56ade8fe JP |
2387 | free_percpu(mlxsw_sp_port->pcpu_stats); |
2388 | err_alloc_stats: | |
fc1273af ER |
2389 | kfree(mlxsw_sp_port->untagged_vlans); |
2390 | err_port_untagged_vlans_alloc: | |
bd40e9d6 IS |
2391 | kfree(mlxsw_sp_port->active_vlans); |
2392 | err_port_active_vlans_alloc: | |
56ade8fe JP |
2393 | free_netdev(dev); |
2394 | return err; | |
2395 | } | |
2396 | ||
67963a33 JP |
2397 | static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port, |
2398 | bool split, u8 module, u8 width, u8 lane) | |
2399 | { | |
2400 | int err; | |
2401 | ||
2402 | err = mlxsw_core_port_init(mlxsw_sp->core, local_port); | |
2403 | if (err) { | |
2404 | dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to init core port\n", | |
2405 | local_port); | |
2406 | return err; | |
2407 | } | |
9a60c907 | 2408 | err = __mlxsw_sp_port_create(mlxsw_sp, local_port, split, |
67963a33 JP |
2409 | module, width, lane); |
2410 | if (err) | |
2411 | goto err_port_create; | |
2412 | return 0; | |
2413 | ||
2414 | err_port_create: | |
2415 | mlxsw_core_port_fini(mlxsw_sp->core, local_port); | |
2416 | return err; | |
2417 | } | |
2418 | ||
2419 | static void __mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port) | |
56ade8fe JP |
2420 | { |
2421 | struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port]; | |
2422 | ||
fc1bbb0f | 2423 | cancel_delayed_work_sync(&mlxsw_sp_port->hw_stats.update_dw); |
67963a33 | 2424 | mlxsw_core_port_clear(mlxsw_sp->core, local_port, mlxsw_sp); |
56ade8fe | 2425 | unregister_netdev(mlxsw_sp_port->dev); /* This calls ndo_stop */ |
2f25844c | 2426 | mlxsw_sp->ports[local_port] = NULL; |
0583272d | 2427 | mlxsw_sp_port_switchdev_fini(mlxsw_sp_port); |
05978481 | 2428 | mlxsw_sp_port_pvid_vport_destroy(mlxsw_sp_port); |
f00817df | 2429 | mlxsw_sp_port_dcb_fini(mlxsw_sp_port); |
3e9b27b8 IS |
2430 | mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT); |
2431 | mlxsw_sp_port_module_unmap(mlxsw_sp, mlxsw_sp_port->local_port); | |
56ade8fe | 2432 | free_percpu(mlxsw_sp_port->pcpu_stats); |
fc1bbb0f | 2433 | kfree(mlxsw_sp_port->hw_stats.cache); |
fc1273af | 2434 | kfree(mlxsw_sp_port->untagged_vlans); |
bd40e9d6 | 2435 | kfree(mlxsw_sp_port->active_vlans); |
32d863fb | 2436 | WARN_ON_ONCE(!list_empty(&mlxsw_sp_port->vports_list)); |
56ade8fe JP |
2437 | free_netdev(mlxsw_sp_port->dev); |
2438 | } | |
2439 | ||
67963a33 JP |
2440 | static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port) |
2441 | { | |
2442 | __mlxsw_sp_port_remove(mlxsw_sp, local_port); | |
2443 | mlxsw_core_port_fini(mlxsw_sp->core, local_port); | |
2444 | } | |
2445 | ||
f83e2102 JP |
2446 | static bool mlxsw_sp_port_created(struct mlxsw_sp *mlxsw_sp, u8 local_port) |
2447 | { | |
2448 | return mlxsw_sp->ports[local_port] != NULL; | |
2449 | } | |
2450 | ||
56ade8fe JP |
2451 | static void mlxsw_sp_ports_remove(struct mlxsw_sp *mlxsw_sp) |
2452 | { | |
2453 | int i; | |
2454 | ||
2455 | for (i = 1; i < MLXSW_PORT_MAX_PORTS; i++) | |
f83e2102 JP |
2456 | if (mlxsw_sp_port_created(mlxsw_sp, i)) |
2457 | mlxsw_sp_port_remove(mlxsw_sp, i); | |
56ade8fe JP |
2458 | kfree(mlxsw_sp->ports); |
2459 | } | |
2460 | ||
2461 | static int mlxsw_sp_ports_create(struct mlxsw_sp *mlxsw_sp) | |
2462 | { | |
d664b41e | 2463 | u8 module, width, lane; |
56ade8fe JP |
2464 | size_t alloc_size; |
2465 | int i; | |
2466 | int err; | |
2467 | ||
2468 | alloc_size = sizeof(struct mlxsw_sp_port *) * MLXSW_PORT_MAX_PORTS; | |
2469 | mlxsw_sp->ports = kzalloc(alloc_size, GFP_KERNEL); | |
2470 | if (!mlxsw_sp->ports) | |
2471 | return -ENOMEM; | |
2472 | ||
2473 | for (i = 1; i < MLXSW_PORT_MAX_PORTS; i++) { | |
558c2d5e | 2474 | err = mlxsw_sp_port_module_info_get(mlxsw_sp, i, &module, |
d664b41e | 2475 | &width, &lane); |
558c2d5e IS |
2476 | if (err) |
2477 | goto err_port_module_info_get; | |
2478 | if (!width) | |
2479 | continue; | |
2480 | mlxsw_sp->port_to_module[i] = module; | |
67963a33 JP |
2481 | err = mlxsw_sp_port_create(mlxsw_sp, i, false, |
2482 | module, width, lane); | |
56ade8fe JP |
2483 | if (err) |
2484 | goto err_port_create; | |
2485 | } | |
2486 | return 0; | |
2487 | ||
2488 | err_port_create: | |
558c2d5e | 2489 | err_port_module_info_get: |
56ade8fe | 2490 | for (i--; i >= 1; i--) |
f83e2102 JP |
2491 | if (mlxsw_sp_port_created(mlxsw_sp, i)) |
2492 | mlxsw_sp_port_remove(mlxsw_sp, i); | |
56ade8fe JP |
2493 | kfree(mlxsw_sp->ports); |
2494 | return err; | |
2495 | } | |
2496 | ||
18f1e70c IS |
2497 | static u8 mlxsw_sp_cluster_base_port_get(u8 local_port) |
2498 | { | |
2499 | u8 offset = (local_port - 1) % MLXSW_SP_PORTS_PER_CLUSTER_MAX; | |
2500 | ||
2501 | return local_port - offset; | |
2502 | } | |
2503 | ||
be94535f IS |
2504 | static int mlxsw_sp_port_split_create(struct mlxsw_sp *mlxsw_sp, u8 base_port, |
2505 | u8 module, unsigned int count) | |
2506 | { | |
2507 | u8 width = MLXSW_PORT_MODULE_MAX_WIDTH / count; | |
2508 | int err, i; | |
2509 | ||
2510 | for (i = 0; i < count; i++) { | |
2511 | err = mlxsw_sp_port_module_map(mlxsw_sp, base_port + i, module, | |
2512 | width, i * width); | |
2513 | if (err) | |
2514 | goto err_port_module_map; | |
2515 | } | |
2516 | ||
2517 | for (i = 0; i < count; i++) { | |
2518 | err = __mlxsw_sp_port_swid_set(mlxsw_sp, base_port + i, 0); | |
2519 | if (err) | |
2520 | goto err_port_swid_set; | |
2521 | } | |
2522 | ||
2523 | for (i = 0; i < count; i++) { | |
2524 | err = mlxsw_sp_port_create(mlxsw_sp, base_port + i, true, | |
d664b41e | 2525 | module, width, i * width); |
be94535f IS |
2526 | if (err) |
2527 | goto err_port_create; | |
2528 | } | |
2529 | ||
2530 | return 0; | |
2531 | ||
2532 | err_port_create: | |
2533 | for (i--; i >= 0; i--) | |
f83e2102 JP |
2534 | if (mlxsw_sp_port_created(mlxsw_sp, base_port + i)) |
2535 | mlxsw_sp_port_remove(mlxsw_sp, base_port + i); | |
be94535f IS |
2536 | i = count; |
2537 | err_port_swid_set: | |
2538 | for (i--; i >= 0; i--) | |
2539 | __mlxsw_sp_port_swid_set(mlxsw_sp, base_port + i, | |
2540 | MLXSW_PORT_SWID_DISABLED_PORT); | |
2541 | i = count; | |
2542 | err_port_module_map: | |
2543 | for (i--; i >= 0; i--) | |
2544 | mlxsw_sp_port_module_unmap(mlxsw_sp, base_port + i); | |
2545 | return err; | |
2546 | } | |
2547 | ||
2548 | static void mlxsw_sp_port_unsplit_create(struct mlxsw_sp *mlxsw_sp, | |
2549 | u8 base_port, unsigned int count) | |
2550 | { | |
2551 | u8 local_port, module, width = MLXSW_PORT_MODULE_MAX_WIDTH; | |
2552 | int i; | |
2553 | ||
2554 | /* Split by four means we need to re-create two ports, otherwise | |
2555 | * only one. | |
2556 | */ | |
2557 | count = count / 2; | |
2558 | ||
2559 | for (i = 0; i < count; i++) { | |
2560 | local_port = base_port + i * 2; | |
2561 | module = mlxsw_sp->port_to_module[local_port]; | |
2562 | ||
2563 | mlxsw_sp_port_module_map(mlxsw_sp, local_port, module, width, | |
2564 | 0); | |
2565 | } | |
2566 | ||
2567 | for (i = 0; i < count; i++) | |
2568 | __mlxsw_sp_port_swid_set(mlxsw_sp, base_port + i * 2, 0); | |
2569 | ||
2570 | for (i = 0; i < count; i++) { | |
2571 | local_port = base_port + i * 2; | |
2572 | module = mlxsw_sp->port_to_module[local_port]; | |
2573 | ||
2574 | mlxsw_sp_port_create(mlxsw_sp, local_port, false, module, | |
d664b41e | 2575 | width, 0); |
be94535f IS |
2576 | } |
2577 | } | |
2578 | ||
b2f10571 JP |
2579 | static int mlxsw_sp_port_split(struct mlxsw_core *mlxsw_core, u8 local_port, |
2580 | unsigned int count) | |
18f1e70c | 2581 | { |
b2f10571 | 2582 | struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); |
18f1e70c | 2583 | struct mlxsw_sp_port *mlxsw_sp_port; |
18f1e70c IS |
2584 | u8 module, cur_width, base_port; |
2585 | int i; | |
2586 | int err; | |
2587 | ||
2588 | mlxsw_sp_port = mlxsw_sp->ports[local_port]; | |
2589 | if (!mlxsw_sp_port) { | |
2590 | dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n", | |
2591 | local_port); | |
2592 | return -EINVAL; | |
2593 | } | |
2594 | ||
d664b41e IS |
2595 | module = mlxsw_sp_port->mapping.module; |
2596 | cur_width = mlxsw_sp_port->mapping.width; | |
2597 | ||
18f1e70c IS |
2598 | if (count != 2 && count != 4) { |
2599 | netdev_err(mlxsw_sp_port->dev, "Port can only be split into 2 or 4 ports\n"); | |
2600 | return -EINVAL; | |
2601 | } | |
2602 | ||
18f1e70c IS |
2603 | if (cur_width != MLXSW_PORT_MODULE_MAX_WIDTH) { |
2604 | netdev_err(mlxsw_sp_port->dev, "Port cannot be split further\n"); | |
2605 | return -EINVAL; | |
2606 | } | |
2607 | ||
2608 | /* Make sure we have enough slave (even) ports for the split. */ | |
2609 | if (count == 2) { | |
2610 | base_port = local_port; | |
2611 | if (mlxsw_sp->ports[base_port + 1]) { | |
2612 | netdev_err(mlxsw_sp_port->dev, "Invalid split configuration\n"); | |
2613 | return -EINVAL; | |
2614 | } | |
2615 | } else { | |
2616 | base_port = mlxsw_sp_cluster_base_port_get(local_port); | |
2617 | if (mlxsw_sp->ports[base_port + 1] || | |
2618 | mlxsw_sp->ports[base_port + 3]) { | |
2619 | netdev_err(mlxsw_sp_port->dev, "Invalid split configuration\n"); | |
2620 | return -EINVAL; | |
2621 | } | |
2622 | } | |
2623 | ||
2624 | for (i = 0; i < count; i++) | |
f83e2102 JP |
2625 | if (mlxsw_sp_port_created(mlxsw_sp, base_port + i)) |
2626 | mlxsw_sp_port_remove(mlxsw_sp, base_port + i); | |
18f1e70c | 2627 | |
be94535f IS |
2628 | err = mlxsw_sp_port_split_create(mlxsw_sp, base_port, module, count); |
2629 | if (err) { | |
2630 | dev_err(mlxsw_sp->bus_info->dev, "Failed to create split ports\n"); | |
2631 | goto err_port_split_create; | |
18f1e70c IS |
2632 | } |
2633 | ||
2634 | return 0; | |
2635 | ||
be94535f IS |
2636 | err_port_split_create: |
2637 | mlxsw_sp_port_unsplit_create(mlxsw_sp, base_port, count); | |
18f1e70c IS |
2638 | return err; |
2639 | } | |
2640 | ||
b2f10571 | 2641 | static int mlxsw_sp_port_unsplit(struct mlxsw_core *mlxsw_core, u8 local_port) |
18f1e70c | 2642 | { |
b2f10571 | 2643 | struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); |
18f1e70c | 2644 | struct mlxsw_sp_port *mlxsw_sp_port; |
d664b41e | 2645 | u8 cur_width, base_port; |
18f1e70c IS |
2646 | unsigned int count; |
2647 | int i; | |
18f1e70c IS |
2648 | |
2649 | mlxsw_sp_port = mlxsw_sp->ports[local_port]; | |
2650 | if (!mlxsw_sp_port) { | |
2651 | dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n", | |
2652 | local_port); | |
2653 | return -EINVAL; | |
2654 | } | |
2655 | ||
2656 | if (!mlxsw_sp_port->split) { | |
2657 | netdev_err(mlxsw_sp_port->dev, "Port wasn't split\n"); | |
2658 | return -EINVAL; | |
2659 | } | |
2660 | ||
d664b41e | 2661 | cur_width = mlxsw_sp_port->mapping.width; |
18f1e70c IS |
2662 | count = cur_width == 1 ? 4 : 2; |
2663 | ||
2664 | base_port = mlxsw_sp_cluster_base_port_get(local_port); | |
2665 | ||
2666 | /* Determine which ports to remove. */ | |
2667 | if (count == 2 && local_port >= base_port + 2) | |
2668 | base_port = base_port + 2; | |
2669 | ||
2670 | for (i = 0; i < count; i++) | |
f83e2102 JP |
2671 | if (mlxsw_sp_port_created(mlxsw_sp, base_port + i)) |
2672 | mlxsw_sp_port_remove(mlxsw_sp, base_port + i); | |
18f1e70c | 2673 | |
be94535f | 2674 | mlxsw_sp_port_unsplit_create(mlxsw_sp, base_port, count); |
18f1e70c IS |
2675 | |
2676 | return 0; | |
2677 | } | |
2678 | ||
56ade8fe JP |
2679 | static void mlxsw_sp_pude_event_func(const struct mlxsw_reg_info *reg, |
2680 | char *pude_pl, void *priv) | |
2681 | { | |
2682 | struct mlxsw_sp *mlxsw_sp = priv; | |
2683 | struct mlxsw_sp_port *mlxsw_sp_port; | |
2684 | enum mlxsw_reg_pude_oper_status status; | |
2685 | u8 local_port; | |
2686 | ||
2687 | local_port = mlxsw_reg_pude_local_port_get(pude_pl); | |
2688 | mlxsw_sp_port = mlxsw_sp->ports[local_port]; | |
bbf2a475 | 2689 | if (!mlxsw_sp_port) |
56ade8fe | 2690 | return; |
56ade8fe JP |
2691 | |
2692 | status = mlxsw_reg_pude_oper_status_get(pude_pl); | |
2693 | if (status == MLXSW_PORT_OPER_STATUS_UP) { | |
2694 | netdev_info(mlxsw_sp_port->dev, "link up\n"); | |
2695 | netif_carrier_on(mlxsw_sp_port->dev); | |
2696 | } else { | |
2697 | netdev_info(mlxsw_sp_port->dev, "link down\n"); | |
2698 | netif_carrier_off(mlxsw_sp_port->dev); | |
2699 | } | |
2700 | } | |
2701 | ||
14eeda99 NF |
2702 | static void mlxsw_sp_rx_listener_no_mark_func(struct sk_buff *skb, |
2703 | u8 local_port, void *priv) | |
56ade8fe JP |
2704 | { |
2705 | struct mlxsw_sp *mlxsw_sp = priv; | |
2706 | struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port]; | |
2707 | struct mlxsw_sp_port_pcpu_stats *pcpu_stats; | |
2708 | ||
2709 | if (unlikely(!mlxsw_sp_port)) { | |
2710 | dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: skb received for non-existent port\n", | |
2711 | local_port); | |
2712 | return; | |
2713 | } | |
2714 | ||
2715 | skb->dev = mlxsw_sp_port->dev; | |
2716 | ||
2717 | pcpu_stats = this_cpu_ptr(mlxsw_sp_port->pcpu_stats); | |
2718 | u64_stats_update_begin(&pcpu_stats->syncp); | |
2719 | pcpu_stats->rx_packets++; | |
2720 | pcpu_stats->rx_bytes += skb->len; | |
2721 | u64_stats_update_end(&pcpu_stats->syncp); | |
2722 | ||
2723 | skb->protocol = eth_type_trans(skb, skb->dev); | |
2724 | netif_receive_skb(skb); | |
2725 | } | |
2726 | ||
1c6c6d22 IS |
2727 | static void mlxsw_sp_rx_listener_mark_func(struct sk_buff *skb, u8 local_port, |
2728 | void *priv) | |
2729 | { | |
2730 | skb->offload_fwd_mark = 1; | |
14eeda99 | 2731 | return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv); |
1c6c6d22 IS |
2732 | } |
2733 | ||
117b0dad | 2734 | #define MLXSW_SP_RXL_NO_MARK(_trap_id, _action, _trap_group, _is_ctrl) \ |
0fb78a4e | 2735 | MLXSW_RXL(mlxsw_sp_rx_listener_no_mark_func, _trap_id, _action, \ |
117b0dad | 2736 | _is_ctrl, SP_##_trap_group, DISCARD) |
14eeda99 | 2737 | |
117b0dad | 2738 | #define MLXSW_SP_RXL_MARK(_trap_id, _action, _trap_group, _is_ctrl) \ |
14eeda99 | 2739 | MLXSW_RXL(mlxsw_sp_rx_listener_mark_func, _trap_id, _action, \ |
117b0dad NF |
2740 | _is_ctrl, SP_##_trap_group, DISCARD) |
2741 | ||
2742 | #define MLXSW_SP_EVENTL(_func, _trap_id) \ | |
2743 | MLXSW_EVENTL(_func, _trap_id, SP_EVENT) | |
93393b33 | 2744 | |
4544913e NF |
2745 | static const struct mlxsw_listener mlxsw_sp_listener[] = { |
2746 | /* Events */ | |
117b0dad | 2747 | MLXSW_SP_EVENTL(mlxsw_sp_pude_event_func, PUDE), |
ee4a60d8 | 2748 | /* L2 traps */ |
117b0dad NF |
2749 | MLXSW_SP_RXL_NO_MARK(STP, TRAP_TO_CPU, STP, true), |
2750 | MLXSW_SP_RXL_NO_MARK(LACP, TRAP_TO_CPU, LACP, true), | |
2751 | MLXSW_SP_RXL_NO_MARK(LLDP, TRAP_TO_CPU, LLDP, true), | |
2752 | MLXSW_SP_RXL_MARK(DHCP, MIRROR_TO_CPU, DHCP, false), | |
2753 | MLXSW_SP_RXL_MARK(IGMP_QUERY, MIRROR_TO_CPU, IGMP, false), | |
2754 | MLXSW_SP_RXL_NO_MARK(IGMP_V1_REPORT, TRAP_TO_CPU, IGMP, false), | |
2755 | MLXSW_SP_RXL_NO_MARK(IGMP_V2_REPORT, TRAP_TO_CPU, IGMP, false), | |
2756 | MLXSW_SP_RXL_NO_MARK(IGMP_V2_LEAVE, TRAP_TO_CPU, IGMP, false), | |
2757 | MLXSW_SP_RXL_NO_MARK(IGMP_V3_REPORT, TRAP_TO_CPU, IGMP, false), | |
2758 | MLXSW_SP_RXL_MARK(ARPBC, MIRROR_TO_CPU, ARP, false), | |
2759 | MLXSW_SP_RXL_MARK(ARPUC, MIRROR_TO_CPU, ARP, false), | |
93393b33 | 2760 | /* L3 traps */ |
117b0dad NF |
2761 | MLXSW_SP_RXL_NO_MARK(MTUERROR, TRAP_TO_CPU, ROUTER_EXP, false), |
2762 | MLXSW_SP_RXL_NO_MARK(TTLERROR, TRAP_TO_CPU, ROUTER_EXP, false), | |
2763 | MLXSW_SP_RXL_NO_MARK(LBERROR, TRAP_TO_CPU, ROUTER_EXP, false), | |
2764 | MLXSW_SP_RXL_MARK(OSPF, TRAP_TO_CPU, OSPF, false), | |
2765 | MLXSW_SP_RXL_NO_MARK(IP2ME, TRAP_TO_CPU, IP2ME, false), | |
2766 | MLXSW_SP_RXL_NO_MARK(RTR_INGRESS0, TRAP_TO_CPU, REMOTE_ROUTE, false), | |
2767 | MLXSW_SP_RXL_NO_MARK(HOST_MISS_IPV4, TRAP_TO_CPU, ARP_MISS, false), | |
2768 | MLXSW_SP_RXL_NO_MARK(BGP_IPV4, TRAP_TO_CPU, BGP_IPV4, false), | |
56ade8fe JP |
2769 | }; |
2770 | ||
9148e7cf NF |
2771 | static int mlxsw_sp_cpu_policers_set(struct mlxsw_core *mlxsw_core) |
2772 | { | |
2773 | char qpcr_pl[MLXSW_REG_QPCR_LEN]; | |
2774 | enum mlxsw_reg_qpcr_ir_units ir_units; | |
2775 | int max_cpu_policers; | |
2776 | bool is_bytes; | |
2777 | u8 burst_size; | |
2778 | u32 rate; | |
2779 | int i, err; | |
2780 | ||
2781 | if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_CPU_POLICERS)) | |
2782 | return -EIO; | |
2783 | ||
2784 | max_cpu_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_CPU_POLICERS); | |
2785 | ||
2786 | ir_units = MLXSW_REG_QPCR_IR_UNITS_M; | |
2787 | for (i = 0; i < max_cpu_policers; i++) { | |
2788 | is_bytes = false; | |
2789 | switch (i) { | |
2790 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_STP: | |
2791 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP: | |
2792 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP: | |
2793 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF: | |
2794 | rate = 128; | |
2795 | burst_size = 7; | |
2796 | break; | |
2797 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_IGMP: | |
2798 | rate = 16 * 1024; | |
2799 | burst_size = 10; | |
2800 | break; | |
2801 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP_IPV4: | |
2802 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP: | |
2803 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP: | |
2804 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP_MISS: | |
2805 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP: | |
2806 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_REMOTE_ROUTE: | |
2807 | rate = 1024; | |
2808 | burst_size = 7; | |
2809 | break; | |
2810 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME: | |
2811 | is_bytes = true; | |
2812 | rate = 4 * 1024; | |
2813 | burst_size = 4; | |
2814 | break; | |
2815 | default: | |
2816 | continue; | |
2817 | } | |
2818 | ||
2819 | mlxsw_reg_qpcr_pack(qpcr_pl, i, ir_units, is_bytes, rate, | |
2820 | burst_size); | |
2821 | err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(qpcr), qpcr_pl); | |
2822 | if (err) | |
2823 | return err; | |
2824 | } | |
2825 | ||
2826 | return 0; | |
2827 | } | |
2828 | ||
579c82e4 | 2829 | static int mlxsw_sp_trap_groups_set(struct mlxsw_core *mlxsw_core) |
56ade8fe JP |
2830 | { |
2831 | char htgt_pl[MLXSW_REG_HTGT_LEN]; | |
117b0dad | 2832 | enum mlxsw_reg_htgt_trap_group i; |
9148e7cf | 2833 | int max_cpu_policers; |
579c82e4 NF |
2834 | int max_trap_groups; |
2835 | u8 priority, tc; | |
9148e7cf | 2836 | u16 policer_id; |
117b0dad | 2837 | int err; |
579c82e4 NF |
2838 | |
2839 | if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_TRAP_GROUPS)) | |
2840 | return -EIO; | |
2841 | ||
2842 | max_trap_groups = MLXSW_CORE_RES_GET(mlxsw_core, MAX_TRAP_GROUPS); | |
9148e7cf | 2843 | max_cpu_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_CPU_POLICERS); |
579c82e4 NF |
2844 | |
2845 | for (i = 0; i < max_trap_groups; i++) { | |
9148e7cf | 2846 | policer_id = i; |
579c82e4 | 2847 | switch (i) { |
117b0dad NF |
2848 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_STP: |
2849 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP: | |
2850 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP: | |
2851 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF: | |
2852 | priority = 5; | |
2853 | tc = 5; | |
2854 | break; | |
2855 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP_IPV4: | |
2856 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP: | |
2857 | priority = 4; | |
2858 | tc = 4; | |
2859 | break; | |
2860 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_IGMP: | |
2861 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME: | |
2862 | priority = 3; | |
2863 | tc = 3; | |
2864 | break; | |
2865 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP: | |
2866 | priority = 2; | |
2867 | tc = 2; | |
2868 | break; | |
2869 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP_MISS: | |
2870 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP: | |
2871 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_REMOTE_ROUTE: | |
2872 | priority = 1; | |
2873 | tc = 1; | |
2874 | break; | |
2875 | case MLXSW_REG_HTGT_TRAP_GROUP_SP_EVENT: | |
579c82e4 NF |
2876 | priority = MLXSW_REG_HTGT_DEFAULT_PRIORITY; |
2877 | tc = MLXSW_REG_HTGT_DEFAULT_TC; | |
9148e7cf | 2878 | policer_id = MLXSW_REG_HTGT_INVALID_POLICER; |
579c82e4 NF |
2879 | break; |
2880 | default: | |
2881 | continue; | |
2882 | } | |
117b0dad | 2883 | |
9148e7cf NF |
2884 | if (max_cpu_policers <= policer_id && |
2885 | policer_id != MLXSW_REG_HTGT_INVALID_POLICER) | |
2886 | return -EIO; | |
2887 | ||
2888 | mlxsw_reg_htgt_pack(htgt_pl, i, policer_id, priority, tc); | |
579c82e4 NF |
2889 | err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl); |
2890 | if (err) | |
2891 | return err; | |
2892 | } | |
2893 | ||
2894 | return 0; | |
2895 | } | |
2896 | ||
2897 | static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp) | |
2898 | { | |
56ade8fe JP |
2899 | int i; |
2900 | int err; | |
2901 | ||
9148e7cf NF |
2902 | err = mlxsw_sp_cpu_policers_set(mlxsw_sp->core); |
2903 | if (err) | |
2904 | return err; | |
2905 | ||
579c82e4 | 2906 | err = mlxsw_sp_trap_groups_set(mlxsw_sp->core); |
56ade8fe JP |
2907 | if (err) |
2908 | return err; | |
2909 | ||
4544913e | 2910 | for (i = 0; i < ARRAY_SIZE(mlxsw_sp_listener); i++) { |
14eeda99 | 2911 | err = mlxsw_core_trap_register(mlxsw_sp->core, |
4544913e | 2912 | &mlxsw_sp_listener[i], |
14eeda99 | 2913 | mlxsw_sp); |
56ade8fe | 2914 | if (err) |
4544913e | 2915 | goto err_listener_register; |
56ade8fe | 2916 | |
56ade8fe JP |
2917 | } |
2918 | return 0; | |
2919 | ||
4544913e | 2920 | err_listener_register: |
56ade8fe | 2921 | for (i--; i >= 0; i--) { |
14eeda99 | 2922 | mlxsw_core_trap_unregister(mlxsw_sp->core, |
4544913e | 2923 | &mlxsw_sp_listener[i], |
14eeda99 | 2924 | mlxsw_sp); |
56ade8fe JP |
2925 | } |
2926 | return err; | |
2927 | } | |
2928 | ||
2929 | static void mlxsw_sp_traps_fini(struct mlxsw_sp *mlxsw_sp) | |
2930 | { | |
56ade8fe JP |
2931 | int i; |
2932 | ||
4544913e | 2933 | for (i = 0; i < ARRAY_SIZE(mlxsw_sp_listener); i++) { |
14eeda99 | 2934 | mlxsw_core_trap_unregister(mlxsw_sp->core, |
4544913e | 2935 | &mlxsw_sp_listener[i], |
14eeda99 | 2936 | mlxsw_sp); |
56ade8fe JP |
2937 | } |
2938 | } | |
2939 | ||
2940 | static int __mlxsw_sp_flood_init(struct mlxsw_core *mlxsw_core, | |
2941 | enum mlxsw_reg_sfgc_type type, | |
2942 | enum mlxsw_reg_sfgc_bridge_type bridge_type) | |
2943 | { | |
2944 | enum mlxsw_flood_table_type table_type; | |
2945 | enum mlxsw_sp_flood_table flood_table; | |
2946 | char sfgc_pl[MLXSW_REG_SFGC_LEN]; | |
2947 | ||
19ae6124 | 2948 | if (bridge_type == MLXSW_REG_SFGC_BRIDGE_TYPE_VFID) |
56ade8fe | 2949 | table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID; |
19ae6124 | 2950 | else |
56ade8fe | 2951 | table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFEST; |
19ae6124 IS |
2952 | |
2953 | if (type == MLXSW_REG_SFGC_TYPE_UNKNOWN_UNICAST) | |
2954 | flood_table = MLXSW_SP_FLOOD_TABLE_UC; | |
2955 | else | |
2956 | flood_table = MLXSW_SP_FLOOD_TABLE_BM; | |
56ade8fe JP |
2957 | |
2958 | mlxsw_reg_sfgc_pack(sfgc_pl, type, bridge_type, table_type, | |
2959 | flood_table); | |
2960 | return mlxsw_reg_write(mlxsw_core, MLXSW_REG(sfgc), sfgc_pl); | |
2961 | } | |
2962 | ||
2963 | static int mlxsw_sp_flood_init(struct mlxsw_sp *mlxsw_sp) | |
2964 | { | |
2965 | int type, err; | |
2966 | ||
56ade8fe JP |
2967 | for (type = 0; type < MLXSW_REG_SFGC_TYPE_MAX; type++) { |
2968 | if (type == MLXSW_REG_SFGC_TYPE_RESERVED) | |
2969 | continue; | |
2970 | ||
2971 | err = __mlxsw_sp_flood_init(mlxsw_sp->core, type, | |
2972 | MLXSW_REG_SFGC_BRIDGE_TYPE_VFID); | |
2973 | if (err) | |
2974 | return err; | |
56ade8fe JP |
2975 | |
2976 | err = __mlxsw_sp_flood_init(mlxsw_sp->core, type, | |
2977 | MLXSW_REG_SFGC_BRIDGE_TYPE_1Q_FID); | |
2978 | if (err) | |
2979 | return err; | |
2980 | } | |
2981 | ||
2982 | return 0; | |
2983 | } | |
2984 | ||
0d65fc13 JP |
2985 | static int mlxsw_sp_lag_init(struct mlxsw_sp *mlxsw_sp) |
2986 | { | |
2987 | char slcr_pl[MLXSW_REG_SLCR_LEN]; | |
ce0bd2b0 | 2988 | int err; |
0d65fc13 JP |
2989 | |
2990 | mlxsw_reg_slcr_pack(slcr_pl, MLXSW_REG_SLCR_LAG_HASH_SMAC | | |
2991 | MLXSW_REG_SLCR_LAG_HASH_DMAC | | |
2992 | MLXSW_REG_SLCR_LAG_HASH_ETHERTYPE | | |
2993 | MLXSW_REG_SLCR_LAG_HASH_VLANID | | |
2994 | MLXSW_REG_SLCR_LAG_HASH_SIP | | |
2995 | MLXSW_REG_SLCR_LAG_HASH_DIP | | |
2996 | MLXSW_REG_SLCR_LAG_HASH_SPORT | | |
2997 | MLXSW_REG_SLCR_LAG_HASH_DPORT | | |
2998 | MLXSW_REG_SLCR_LAG_HASH_IPPROTO); | |
ce0bd2b0 NF |
2999 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcr), slcr_pl); |
3000 | if (err) | |
3001 | return err; | |
3002 | ||
c1a38311 JP |
3003 | if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG) || |
3004 | !MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG_MEMBERS)) | |
ce0bd2b0 NF |
3005 | return -EIO; |
3006 | ||
c1a38311 | 3007 | mlxsw_sp->lags = kcalloc(MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_LAG), |
ce0bd2b0 NF |
3008 | sizeof(struct mlxsw_sp_upper), |
3009 | GFP_KERNEL); | |
3010 | if (!mlxsw_sp->lags) | |
3011 | return -ENOMEM; | |
3012 | ||
3013 | return 0; | |
3014 | } | |
3015 | ||
3016 | static void mlxsw_sp_lag_fini(struct mlxsw_sp *mlxsw_sp) | |
3017 | { | |
3018 | kfree(mlxsw_sp->lags); | |
0d65fc13 JP |
3019 | } |
3020 | ||
9d87fcea NF |
3021 | static int mlxsw_sp_basic_trap_groups_set(struct mlxsw_core *mlxsw_core) |
3022 | { | |
3023 | char htgt_pl[MLXSW_REG_HTGT_LEN]; | |
3024 | ||
579c82e4 NF |
3025 | mlxsw_reg_htgt_pack(htgt_pl, MLXSW_REG_HTGT_TRAP_GROUP_EMAD, |
3026 | MLXSW_REG_HTGT_INVALID_POLICER, | |
3027 | MLXSW_REG_HTGT_DEFAULT_PRIORITY, | |
3028 | MLXSW_REG_HTGT_DEFAULT_TC); | |
9d87fcea NF |
3029 | return mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl); |
3030 | } | |
3031 | ||
b2f10571 | 3032 | static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core, |
56ade8fe JP |
3033 | const struct mlxsw_bus_info *mlxsw_bus_info) |
3034 | { | |
b2f10571 | 3035 | struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); |
56ade8fe JP |
3036 | int err; |
3037 | ||
3038 | mlxsw_sp->core = mlxsw_core; | |
3039 | mlxsw_sp->bus_info = mlxsw_bus_info; | |
14d39461 | 3040 | INIT_LIST_HEAD(&mlxsw_sp->fids); |
3ba2ebf4 | 3041 | INIT_LIST_HEAD(&mlxsw_sp->vfids.list); |
3a49b4fd | 3042 | INIT_LIST_HEAD(&mlxsw_sp->br_mids.list); |
56ade8fe JP |
3043 | |
3044 | err = mlxsw_sp_base_mac_get(mlxsw_sp); | |
3045 | if (err) { | |
3046 | dev_err(mlxsw_sp->bus_info->dev, "Failed to get base mac\n"); | |
3047 | return err; | |
3048 | } | |
3049 | ||
56ade8fe JP |
3050 | err = mlxsw_sp_traps_init(mlxsw_sp); |
3051 | if (err) { | |
4544913e NF |
3052 | dev_err(mlxsw_sp->bus_info->dev, "Failed to set traps\n"); |
3053 | return err; | |
56ade8fe JP |
3054 | } |
3055 | ||
3056 | err = mlxsw_sp_flood_init(mlxsw_sp); | |
3057 | if (err) { | |
3058 | dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize flood tables\n"); | |
3059 | goto err_flood_init; | |
3060 | } | |
3061 | ||
3062 | err = mlxsw_sp_buffers_init(mlxsw_sp); | |
3063 | if (err) { | |
3064 | dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize buffers\n"); | |
3065 | goto err_buffers_init; | |
3066 | } | |
3067 | ||
0d65fc13 JP |
3068 | err = mlxsw_sp_lag_init(mlxsw_sp); |
3069 | if (err) { | |
3070 | dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize LAG\n"); | |
3071 | goto err_lag_init; | |
3072 | } | |
3073 | ||
56ade8fe JP |
3074 | err = mlxsw_sp_switchdev_init(mlxsw_sp); |
3075 | if (err) { | |
3076 | dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize switchdev\n"); | |
3077 | goto err_switchdev_init; | |
3078 | } | |
3079 | ||
464dce18 IS |
3080 | err = mlxsw_sp_router_init(mlxsw_sp); |
3081 | if (err) { | |
3082 | dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize router\n"); | |
3083 | goto err_router_init; | |
3084 | } | |
3085 | ||
763b4b70 YG |
3086 | err = mlxsw_sp_span_init(mlxsw_sp); |
3087 | if (err) { | |
3088 | dev_err(mlxsw_sp->bus_info->dev, "Failed to init span system\n"); | |
3089 | goto err_span_init; | |
3090 | } | |
3091 | ||
bbf2a475 IS |
3092 | err = mlxsw_sp_ports_create(mlxsw_sp); |
3093 | if (err) { | |
3094 | dev_err(mlxsw_sp->bus_info->dev, "Failed to create ports\n"); | |
3095 | goto err_ports_create; | |
3096 | } | |
3097 | ||
56ade8fe JP |
3098 | return 0; |
3099 | ||
bbf2a475 | 3100 | err_ports_create: |
763b4b70 YG |
3101 | mlxsw_sp_span_fini(mlxsw_sp); |
3102 | err_span_init: | |
464dce18 IS |
3103 | mlxsw_sp_router_fini(mlxsw_sp); |
3104 | err_router_init: | |
bbf2a475 | 3105 | mlxsw_sp_switchdev_fini(mlxsw_sp); |
56ade8fe | 3106 | err_switchdev_init: |
ce0bd2b0 | 3107 | mlxsw_sp_lag_fini(mlxsw_sp); |
0d65fc13 | 3108 | err_lag_init: |
0f433fa0 | 3109 | mlxsw_sp_buffers_fini(mlxsw_sp); |
56ade8fe JP |
3110 | err_buffers_init: |
3111 | err_flood_init: | |
3112 | mlxsw_sp_traps_fini(mlxsw_sp); | |
56ade8fe JP |
3113 | return err; |
3114 | } | |
3115 | ||
b2f10571 | 3116 | static void mlxsw_sp_fini(struct mlxsw_core *mlxsw_core) |
56ade8fe | 3117 | { |
b2f10571 | 3118 | struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); |
56ade8fe | 3119 | |
bbf2a475 | 3120 | mlxsw_sp_ports_remove(mlxsw_sp); |
763b4b70 | 3121 | mlxsw_sp_span_fini(mlxsw_sp); |
464dce18 | 3122 | mlxsw_sp_router_fini(mlxsw_sp); |
56ade8fe | 3123 | mlxsw_sp_switchdev_fini(mlxsw_sp); |
ce0bd2b0 | 3124 | mlxsw_sp_lag_fini(mlxsw_sp); |
5113bfdb | 3125 | mlxsw_sp_buffers_fini(mlxsw_sp); |
56ade8fe | 3126 | mlxsw_sp_traps_fini(mlxsw_sp); |
3ba2ebf4 | 3127 | WARN_ON(!list_empty(&mlxsw_sp->vfids.list)); |
14d39461 | 3128 | WARN_ON(!list_empty(&mlxsw_sp->fids)); |
56ade8fe JP |
3129 | } |
3130 | ||
3131 | static struct mlxsw_config_profile mlxsw_sp_config_profile = { | |
3132 | .used_max_vepa_channels = 1, | |
3133 | .max_vepa_channels = 0, | |
56ade8fe | 3134 | .used_max_mid = 1, |
53ae6283 | 3135 | .max_mid = MLXSW_SP_MID_MAX, |
56ade8fe JP |
3136 | .used_max_pgt = 1, |
3137 | .max_pgt = 0, | |
56ade8fe JP |
3138 | .used_flood_tables = 1, |
3139 | .used_flood_mode = 1, | |
3140 | .flood_mode = 3, | |
3141 | .max_fid_offset_flood_tables = 2, | |
3142 | .fid_offset_flood_table_size = VLAN_N_VID - 1, | |
19ae6124 IS |
3143 | .max_fid_flood_tables = 2, |
3144 | .fid_flood_table_size = MLXSW_SP_VFID_MAX, | |
56ade8fe JP |
3145 | .used_max_ib_mc = 1, |
3146 | .max_ib_mc = 0, | |
3147 | .used_max_pkey = 1, | |
3148 | .max_pkey = 0, | |
403547d3 NF |
3149 | .used_kvd_split_data = 1, |
3150 | .kvd_hash_granularity = MLXSW_SP_KVD_GRANULARITY, | |
3151 | .kvd_hash_single_parts = 2, | |
3152 | .kvd_hash_double_parts = 1, | |
c6022427 | 3153 | .kvd_linear_size = MLXSW_SP_KVD_LINEAR_SIZE, |
56ade8fe JP |
3154 | .swid_config = { |
3155 | { | |
3156 | .used_type = 1, | |
3157 | .type = MLXSW_PORT_SWID_TYPE_ETH, | |
3158 | } | |
3159 | }, | |
57d316ba | 3160 | .resource_query_enable = 1, |
56ade8fe JP |
3161 | }; |
3162 | ||
3163 | static struct mlxsw_driver mlxsw_sp_driver = { | |
1d20d23c | 3164 | .kind = mlxsw_sp_driver_name, |
2d0ed39f JP |
3165 | .priv_size = sizeof(struct mlxsw_sp), |
3166 | .init = mlxsw_sp_init, | |
3167 | .fini = mlxsw_sp_fini, | |
9d87fcea | 3168 | .basic_trap_groups_set = mlxsw_sp_basic_trap_groups_set, |
2d0ed39f JP |
3169 | .port_split = mlxsw_sp_port_split, |
3170 | .port_unsplit = mlxsw_sp_port_unsplit, | |
3171 | .sb_pool_get = mlxsw_sp_sb_pool_get, | |
3172 | .sb_pool_set = mlxsw_sp_sb_pool_set, | |
3173 | .sb_port_pool_get = mlxsw_sp_sb_port_pool_get, | |
3174 | .sb_port_pool_set = mlxsw_sp_sb_port_pool_set, | |
3175 | .sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get, | |
3176 | .sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set, | |
3177 | .sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot, | |
3178 | .sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear, | |
3179 | .sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get, | |
3180 | .sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get, | |
3181 | .txhdr_construct = mlxsw_sp_txhdr_construct, | |
3182 | .txhdr_len = MLXSW_TXHDR_LEN, | |
3183 | .profile = &mlxsw_sp_config_profile, | |
56ade8fe JP |
3184 | }; |
3185 | ||
7ce856aa JP |
3186 | static bool mlxsw_sp_port_dev_check(const struct net_device *dev) |
3187 | { | |
3188 | return dev->netdev_ops == &mlxsw_sp_port_netdev_ops; | |
3189 | } | |
3190 | ||
dd82364c DA |
3191 | static int mlxsw_lower_dev_walk(struct net_device *lower_dev, void *data) |
3192 | { | |
3193 | struct mlxsw_sp_port **port = data; | |
3194 | int ret = 0; | |
3195 | ||
3196 | if (mlxsw_sp_port_dev_check(lower_dev)) { | |
3197 | *port = netdev_priv(lower_dev); | |
3198 | ret = 1; | |
3199 | } | |
3200 | ||
3201 | return ret; | |
3202 | } | |
3203 | ||
7ce856aa JP |
3204 | static struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find(struct net_device *dev) |
3205 | { | |
dd82364c | 3206 | struct mlxsw_sp_port *port; |
7ce856aa JP |
3207 | |
3208 | if (mlxsw_sp_port_dev_check(dev)) | |
3209 | return netdev_priv(dev); | |
3210 | ||
dd82364c DA |
3211 | port = NULL; |
3212 | netdev_walk_all_lower_dev(dev, mlxsw_lower_dev_walk, &port); | |
3213 | ||
3214 | return port; | |
7ce856aa JP |
3215 | } |
3216 | ||
3217 | static struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev) | |
3218 | { | |
3219 | struct mlxsw_sp_port *mlxsw_sp_port; | |
3220 | ||
3221 | mlxsw_sp_port = mlxsw_sp_port_dev_lower_find(dev); | |
3222 | return mlxsw_sp_port ? mlxsw_sp_port->mlxsw_sp : NULL; | |
3223 | } | |
3224 | ||
3225 | static struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find_rcu(struct net_device *dev) | |
3226 | { | |
dd82364c | 3227 | struct mlxsw_sp_port *port; |
7ce856aa JP |
3228 | |
3229 | if (mlxsw_sp_port_dev_check(dev)) | |
3230 | return netdev_priv(dev); | |
3231 | ||
dd82364c DA |
3232 | port = NULL; |
3233 | netdev_walk_all_lower_dev_rcu(dev, mlxsw_lower_dev_walk, &port); | |
3234 | ||
3235 | return port; | |
7ce856aa JP |
3236 | } |
3237 | ||
3238 | struct mlxsw_sp_port *mlxsw_sp_port_lower_dev_hold(struct net_device *dev) | |
3239 | { | |
3240 | struct mlxsw_sp_port *mlxsw_sp_port; | |
3241 | ||
3242 | rcu_read_lock(); | |
3243 | mlxsw_sp_port = mlxsw_sp_port_dev_lower_find_rcu(dev); | |
3244 | if (mlxsw_sp_port) | |
3245 | dev_hold(mlxsw_sp_port->dev); | |
3246 | rcu_read_unlock(); | |
3247 | return mlxsw_sp_port; | |
3248 | } | |
3249 | ||
3250 | void mlxsw_sp_port_dev_put(struct mlxsw_sp_port *mlxsw_sp_port) | |
3251 | { | |
3252 | dev_put(mlxsw_sp_port->dev); | |
3253 | } | |
3254 | ||
99724c18 IS |
3255 | static bool mlxsw_sp_rif_should_config(struct mlxsw_sp_rif *r, |
3256 | unsigned long event) | |
3257 | { | |
3258 | switch (event) { | |
3259 | case NETDEV_UP: | |
3260 | if (!r) | |
3261 | return true; | |
3262 | r->ref_count++; | |
3263 | return false; | |
3264 | case NETDEV_DOWN: | |
3265 | if (r && --r->ref_count == 0) | |
3266 | return true; | |
3267 | /* It is possible we already removed the RIF ourselves | |
3268 | * if it was assigned to a netdev that is now a bridge | |
3269 | * or LAG slave. | |
3270 | */ | |
3271 | return false; | |
3272 | } | |
3273 | ||
3274 | return false; | |
3275 | } | |
3276 | ||
3277 | static int mlxsw_sp_avail_rif_get(struct mlxsw_sp *mlxsw_sp) | |
3278 | { | |
3279 | int i; | |
3280 | ||
c1a38311 | 3281 | for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) |
99724c18 IS |
3282 | if (!mlxsw_sp->rifs[i]) |
3283 | return i; | |
3284 | ||
8f8a62d4 | 3285 | return MLXSW_SP_INVALID_RIF; |
99724c18 IS |
3286 | } |
3287 | ||
3288 | static void mlxsw_sp_vport_rif_sp_attr_get(struct mlxsw_sp_port *mlxsw_sp_vport, | |
3289 | bool *p_lagged, u16 *p_system_port) | |
3290 | { | |
3291 | u8 local_port = mlxsw_sp_vport->local_port; | |
3292 | ||
3293 | *p_lagged = mlxsw_sp_vport->lagged; | |
3294 | *p_system_port = *p_lagged ? mlxsw_sp_vport->lag_id : local_port; | |
3295 | } | |
3296 | ||
3297 | static int mlxsw_sp_vport_rif_sp_op(struct mlxsw_sp_port *mlxsw_sp_vport, | |
3298 | struct net_device *l3_dev, u16 rif, | |
3299 | bool create) | |
3300 | { | |
3301 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_vport->mlxsw_sp; | |
3302 | bool lagged = mlxsw_sp_vport->lagged; | |
3303 | char ritr_pl[MLXSW_REG_RITR_LEN]; | |
3304 | u16 system_port; | |
3305 | ||
3306 | mlxsw_reg_ritr_pack(ritr_pl, create, MLXSW_REG_RITR_SP_IF, rif, | |
3307 | l3_dev->mtu, l3_dev->dev_addr); | |
3308 | ||
3309 | mlxsw_sp_vport_rif_sp_attr_get(mlxsw_sp_vport, &lagged, &system_port); | |
3310 | mlxsw_reg_ritr_sp_if_pack(ritr_pl, lagged, system_port, | |
3311 | mlxsw_sp_vport_vid_get(mlxsw_sp_vport)); | |
3312 | ||
3313 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl); | |
3314 | } | |
3315 | ||
3316 | static void mlxsw_sp_vport_rif_sp_leave(struct mlxsw_sp_port *mlxsw_sp_vport); | |
3317 | ||
3318 | static struct mlxsw_sp_fid * | |
3319 | mlxsw_sp_rfid_alloc(u16 fid, struct net_device *l3_dev) | |
3320 | { | |
3321 | struct mlxsw_sp_fid *f; | |
3322 | ||
3323 | f = kzalloc(sizeof(*f), GFP_KERNEL); | |
3324 | if (!f) | |
3325 | return NULL; | |
3326 | ||
3327 | f->leave = mlxsw_sp_vport_rif_sp_leave; | |
3328 | f->ref_count = 0; | |
3329 | f->dev = l3_dev; | |
3330 | f->fid = fid; | |
3331 | ||
3332 | return f; | |
3333 | } | |
3334 | ||
3335 | static struct mlxsw_sp_rif * | |
3336 | mlxsw_sp_rif_alloc(u16 rif, struct net_device *l3_dev, struct mlxsw_sp_fid *f) | |
3337 | { | |
3338 | struct mlxsw_sp_rif *r; | |
3339 | ||
3340 | r = kzalloc(sizeof(*r), GFP_KERNEL); | |
3341 | if (!r) | |
3342 | return NULL; | |
3343 | ||
3344 | ether_addr_copy(r->addr, l3_dev->dev_addr); | |
3345 | r->mtu = l3_dev->mtu; | |
3346 | r->ref_count = 1; | |
3347 | r->dev = l3_dev; | |
3348 | r->rif = rif; | |
3349 | r->f = f; | |
3350 | ||
3351 | return r; | |
3352 | } | |
3353 | ||
3354 | static struct mlxsw_sp_rif * | |
3355 | mlxsw_sp_vport_rif_sp_create(struct mlxsw_sp_port *mlxsw_sp_vport, | |
3356 | struct net_device *l3_dev) | |
3357 | { | |
3358 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_vport->mlxsw_sp; | |
3359 | struct mlxsw_sp_fid *f; | |
3360 | struct mlxsw_sp_rif *r; | |
3361 | u16 fid, rif; | |
3362 | int err; | |
3363 | ||
3364 | rif = mlxsw_sp_avail_rif_get(mlxsw_sp); | |
8f8a62d4 | 3365 | if (rif == MLXSW_SP_INVALID_RIF) |
99724c18 IS |
3366 | return ERR_PTR(-ERANGE); |
3367 | ||
3368 | err = mlxsw_sp_vport_rif_sp_op(mlxsw_sp_vport, l3_dev, rif, true); | |
3369 | if (err) | |
3370 | return ERR_PTR(err); | |
3371 | ||
3372 | fid = mlxsw_sp_rif_sp_to_fid(rif); | |
3373 | err = mlxsw_sp_rif_fdb_op(mlxsw_sp, l3_dev->dev_addr, fid, true); | |
3374 | if (err) | |
3375 | goto err_rif_fdb_op; | |
3376 | ||
3377 | f = mlxsw_sp_rfid_alloc(fid, l3_dev); | |
3378 | if (!f) { | |
3379 | err = -ENOMEM; | |
3380 | goto err_rfid_alloc; | |
3381 | } | |
3382 | ||
3383 | r = mlxsw_sp_rif_alloc(rif, l3_dev, f); | |
3384 | if (!r) { | |
3385 | err = -ENOMEM; | |
3386 | goto err_rif_alloc; | |
3387 | } | |
3388 | ||
3389 | f->r = r; | |
3390 | mlxsw_sp->rifs[rif] = r; | |
3391 | ||
3392 | return r; | |
3393 | ||
3394 | err_rif_alloc: | |
3395 | kfree(f); | |
3396 | err_rfid_alloc: | |
3397 | mlxsw_sp_rif_fdb_op(mlxsw_sp, l3_dev->dev_addr, fid, false); | |
3398 | err_rif_fdb_op: | |
3399 | mlxsw_sp_vport_rif_sp_op(mlxsw_sp_vport, l3_dev, rif, false); | |
3400 | return ERR_PTR(err); | |
3401 | } | |
3402 | ||
3403 | static void mlxsw_sp_vport_rif_sp_destroy(struct mlxsw_sp_port *mlxsw_sp_vport, | |
3404 | struct mlxsw_sp_rif *r) | |
3405 | { | |
3406 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_vport->mlxsw_sp; | |
3407 | struct net_device *l3_dev = r->dev; | |
3408 | struct mlxsw_sp_fid *f = r->f; | |
3409 | u16 fid = f->fid; | |
3410 | u16 rif = r->rif; | |
3411 | ||
3412 | mlxsw_sp->rifs[rif] = NULL; | |
3413 | f->r = NULL; | |
3414 | ||
3415 | kfree(r); | |
3416 | ||
3417 | kfree(f); | |
3418 | ||
3419 | mlxsw_sp_rif_fdb_op(mlxsw_sp, l3_dev->dev_addr, fid, false); | |
3420 | ||
3421 | mlxsw_sp_vport_rif_sp_op(mlxsw_sp_vport, l3_dev, rif, false); | |
3422 | } | |
3423 | ||
3424 | static int mlxsw_sp_vport_rif_sp_join(struct mlxsw_sp_port *mlxsw_sp_vport, | |
3425 | struct net_device *l3_dev) | |
3426 | { | |
3427 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_vport->mlxsw_sp; | |
3428 | struct mlxsw_sp_rif *r; | |
3429 | ||
3430 | r = mlxsw_sp_rif_find_by_dev(mlxsw_sp, l3_dev); | |
3431 | if (!r) { | |
3432 | r = mlxsw_sp_vport_rif_sp_create(mlxsw_sp_vport, l3_dev); | |
3433 | if (IS_ERR(r)) | |
3434 | return PTR_ERR(r); | |
3435 | } | |
3436 | ||
3437 | mlxsw_sp_vport_fid_set(mlxsw_sp_vport, r->f); | |
3438 | r->f->ref_count++; | |
3439 | ||
3440 | netdev_dbg(mlxsw_sp_vport->dev, "Joined FID=%d\n", r->f->fid); | |
3441 | ||
3442 | return 0; | |
3443 | } | |
3444 | ||
3445 | static void mlxsw_sp_vport_rif_sp_leave(struct mlxsw_sp_port *mlxsw_sp_vport) | |
3446 | { | |
3447 | struct mlxsw_sp_fid *f = mlxsw_sp_vport_fid_get(mlxsw_sp_vport); | |
3448 | ||
3449 | netdev_dbg(mlxsw_sp_vport->dev, "Left FID=%d\n", f->fid); | |
3450 | ||
3451 | mlxsw_sp_vport_fid_set(mlxsw_sp_vport, NULL); | |
3452 | if (--f->ref_count == 0) | |
3453 | mlxsw_sp_vport_rif_sp_destroy(mlxsw_sp_vport, f->r); | |
3454 | } | |
3455 | ||
3456 | static int mlxsw_sp_inetaddr_vport_event(struct net_device *l3_dev, | |
3457 | struct net_device *port_dev, | |
3458 | unsigned long event, u16 vid) | |
3459 | { | |
3460 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(port_dev); | |
3461 | struct mlxsw_sp_port *mlxsw_sp_vport; | |
3462 | ||
3463 | mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, vid); | |
3464 | if (WARN_ON(!mlxsw_sp_vport)) | |
3465 | return -EINVAL; | |
3466 | ||
3467 | switch (event) { | |
3468 | case NETDEV_UP: | |
3469 | return mlxsw_sp_vport_rif_sp_join(mlxsw_sp_vport, l3_dev); | |
3470 | case NETDEV_DOWN: | |
3471 | mlxsw_sp_vport_rif_sp_leave(mlxsw_sp_vport); | |
3472 | break; | |
3473 | } | |
3474 | ||
3475 | return 0; | |
3476 | } | |
3477 | ||
3478 | static int mlxsw_sp_inetaddr_port_event(struct net_device *port_dev, | |
3479 | unsigned long event) | |
3480 | { | |
3481 | if (netif_is_bridge_port(port_dev) || netif_is_lag_port(port_dev)) | |
3482 | return 0; | |
3483 | ||
3484 | return mlxsw_sp_inetaddr_vport_event(port_dev, port_dev, event, 1); | |
3485 | } | |
3486 | ||
3487 | static int __mlxsw_sp_inetaddr_lag_event(struct net_device *l3_dev, | |
3488 | struct net_device *lag_dev, | |
3489 | unsigned long event, u16 vid) | |
3490 | { | |
3491 | struct net_device *port_dev; | |
3492 | struct list_head *iter; | |
3493 | int err; | |
3494 | ||
3495 | netdev_for_each_lower_dev(lag_dev, port_dev, iter) { | |
3496 | if (mlxsw_sp_port_dev_check(port_dev)) { | |
3497 | err = mlxsw_sp_inetaddr_vport_event(l3_dev, port_dev, | |
3498 | event, vid); | |
3499 | if (err) | |
3500 | return err; | |
3501 | } | |
3502 | } | |
3503 | ||
3504 | return 0; | |
3505 | } | |
3506 | ||
3507 | static int mlxsw_sp_inetaddr_lag_event(struct net_device *lag_dev, | |
3508 | unsigned long event) | |
3509 | { | |
3510 | if (netif_is_bridge_port(lag_dev)) | |
3511 | return 0; | |
3512 | ||
3513 | return __mlxsw_sp_inetaddr_lag_event(lag_dev, lag_dev, event, 1); | |
3514 | } | |
3515 | ||
99f44bb3 IS |
3516 | static struct mlxsw_sp_fid *mlxsw_sp_bridge_fid_get(struct mlxsw_sp *mlxsw_sp, |
3517 | struct net_device *l3_dev) | |
3518 | { | |
3519 | u16 fid; | |
3520 | ||
3521 | if (is_vlan_dev(l3_dev)) | |
3522 | fid = vlan_dev_vlan_id(l3_dev); | |
3523 | else if (mlxsw_sp->master_bridge.dev == l3_dev) | |
3524 | fid = 1; | |
3525 | else | |
3526 | return mlxsw_sp_vfid_find(mlxsw_sp, l3_dev); | |
3527 | ||
3528 | return mlxsw_sp_fid_find(mlxsw_sp, fid); | |
3529 | } | |
3530 | ||
f888f587 IS |
3531 | static enum mlxsw_flood_table_type mlxsw_sp_flood_table_type_get(u16 fid) |
3532 | { | |
3533 | return mlxsw_sp_fid_is_vfid(fid) ? MLXSW_REG_SFGC_TABLE_TYPE_FID : | |
3534 | MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFEST; | |
3535 | } | |
3536 | ||
3537 | static u16 mlxsw_sp_flood_table_index_get(u16 fid) | |
3538 | { | |
3539 | return mlxsw_sp_fid_is_vfid(fid) ? mlxsw_sp_fid_to_vfid(fid) : fid; | |
3540 | } | |
3541 | ||
3542 | static int mlxsw_sp_router_port_flood_set(struct mlxsw_sp *mlxsw_sp, u16 fid, | |
3543 | bool set) | |
3544 | { | |
3545 | enum mlxsw_flood_table_type table_type; | |
3546 | char *sftr_pl; | |
3547 | u16 index; | |
3548 | int err; | |
3549 | ||
3550 | sftr_pl = kmalloc(MLXSW_REG_SFTR_LEN, GFP_KERNEL); | |
3551 | if (!sftr_pl) | |
3552 | return -ENOMEM; | |
3553 | ||
3554 | table_type = mlxsw_sp_flood_table_type_get(fid); | |
3555 | index = mlxsw_sp_flood_table_index_get(fid); | |
3556 | mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_BM, index, table_type, | |
3557 | 1, MLXSW_PORT_ROUTER_PORT, set); | |
3558 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl); | |
3559 | ||
3560 | kfree(sftr_pl); | |
3561 | return err; | |
3562 | } | |
3563 | ||
99f44bb3 IS |
3564 | static enum mlxsw_reg_ritr_if_type mlxsw_sp_rif_type_get(u16 fid) |
3565 | { | |
3566 | if (mlxsw_sp_fid_is_vfid(fid)) | |
3567 | return MLXSW_REG_RITR_FID_IF; | |
3568 | else | |
3569 | return MLXSW_REG_RITR_VLAN_IF; | |
3570 | } | |
3571 | ||
3572 | static int mlxsw_sp_rif_bridge_op(struct mlxsw_sp *mlxsw_sp, | |
3573 | struct net_device *l3_dev, | |
3574 | u16 fid, u16 rif, | |
3575 | bool create) | |
3576 | { | |
3577 | enum mlxsw_reg_ritr_if_type rif_type; | |
3578 | char ritr_pl[MLXSW_REG_RITR_LEN]; | |
3579 | ||
3580 | rif_type = mlxsw_sp_rif_type_get(fid); | |
3581 | mlxsw_reg_ritr_pack(ritr_pl, create, rif_type, rif, l3_dev->mtu, | |
3582 | l3_dev->dev_addr); | |
3583 | mlxsw_reg_ritr_fid_set(ritr_pl, rif_type, fid); | |
3584 | ||
3585 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl); | |
3586 | } | |
3587 | ||
3588 | static int mlxsw_sp_rif_bridge_create(struct mlxsw_sp *mlxsw_sp, | |
3589 | struct net_device *l3_dev, | |
3590 | struct mlxsw_sp_fid *f) | |
3591 | { | |
3592 | struct mlxsw_sp_rif *r; | |
3593 | u16 rif; | |
3594 | int err; | |
3595 | ||
3596 | rif = mlxsw_sp_avail_rif_get(mlxsw_sp); | |
8f8a62d4 | 3597 | if (rif == MLXSW_SP_INVALID_RIF) |
99f44bb3 IS |
3598 | return -ERANGE; |
3599 | ||
f888f587 | 3600 | err = mlxsw_sp_router_port_flood_set(mlxsw_sp, f->fid, true); |
99f44bb3 IS |
3601 | if (err) |
3602 | return err; | |
3603 | ||
f888f587 IS |
3604 | err = mlxsw_sp_rif_bridge_op(mlxsw_sp, l3_dev, f->fid, rif, true); |
3605 | if (err) | |
3606 | goto err_rif_bridge_op; | |
3607 | ||
99f44bb3 IS |
3608 | err = mlxsw_sp_rif_fdb_op(mlxsw_sp, l3_dev->dev_addr, f->fid, true); |
3609 | if (err) | |
3610 | goto err_rif_fdb_op; | |
3611 | ||
3612 | r = mlxsw_sp_rif_alloc(rif, l3_dev, f); | |
3613 | if (!r) { | |
3614 | err = -ENOMEM; | |
3615 | goto err_rif_alloc; | |
3616 | } | |
3617 | ||
3618 | f->r = r; | |
3619 | mlxsw_sp->rifs[rif] = r; | |
3620 | ||
3621 | netdev_dbg(l3_dev, "RIF=%d created\n", rif); | |
3622 | ||
3623 | return 0; | |
3624 | ||
3625 | err_rif_alloc: | |
3626 | mlxsw_sp_rif_fdb_op(mlxsw_sp, l3_dev->dev_addr, f->fid, false); | |
3627 | err_rif_fdb_op: | |
3628 | mlxsw_sp_rif_bridge_op(mlxsw_sp, l3_dev, f->fid, rif, false); | |
f888f587 IS |
3629 | err_rif_bridge_op: |
3630 | mlxsw_sp_router_port_flood_set(mlxsw_sp, f->fid, false); | |
99f44bb3 IS |
3631 | return err; |
3632 | } | |
3633 | ||
3634 | void mlxsw_sp_rif_bridge_destroy(struct mlxsw_sp *mlxsw_sp, | |
3635 | struct mlxsw_sp_rif *r) | |
3636 | { | |
3637 | struct net_device *l3_dev = r->dev; | |
3638 | struct mlxsw_sp_fid *f = r->f; | |
3639 | u16 rif = r->rif; | |
3640 | ||
3641 | mlxsw_sp->rifs[rif] = NULL; | |
3642 | f->r = NULL; | |
3643 | ||
3644 | kfree(r); | |
3645 | ||
3646 | mlxsw_sp_rif_fdb_op(mlxsw_sp, l3_dev->dev_addr, f->fid, false); | |
3647 | ||
3648 | mlxsw_sp_rif_bridge_op(mlxsw_sp, l3_dev, f->fid, rif, false); | |
3649 | ||
f888f587 IS |
3650 | mlxsw_sp_router_port_flood_set(mlxsw_sp, f->fid, false); |
3651 | ||
99f44bb3 IS |
3652 | netdev_dbg(l3_dev, "RIF=%d destroyed\n", rif); |
3653 | } | |
3654 | ||
3655 | static int mlxsw_sp_inetaddr_bridge_event(struct net_device *l3_dev, | |
3656 | struct net_device *br_dev, | |
3657 | unsigned long event) | |
3658 | { | |
3659 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(l3_dev); | |
3660 | struct mlxsw_sp_fid *f; | |
3661 | ||
3662 | /* FID can either be an actual FID if the L3 device is the | |
3663 | * VLAN-aware bridge or a VLAN device on top. Otherwise, the | |
3664 | * L3 device is a VLAN-unaware bridge and we get a vFID. | |
3665 | */ | |
3666 | f = mlxsw_sp_bridge_fid_get(mlxsw_sp, l3_dev); | |
3667 | if (WARN_ON(!f)) | |
3668 | return -EINVAL; | |
3669 | ||
3670 | switch (event) { | |
3671 | case NETDEV_UP: | |
3672 | return mlxsw_sp_rif_bridge_create(mlxsw_sp, l3_dev, f); | |
3673 | case NETDEV_DOWN: | |
3674 | mlxsw_sp_rif_bridge_destroy(mlxsw_sp, f->r); | |
3675 | break; | |
3676 | } | |
3677 | ||
3678 | return 0; | |
3679 | } | |
3680 | ||
99724c18 IS |
3681 | static int mlxsw_sp_inetaddr_vlan_event(struct net_device *vlan_dev, |
3682 | unsigned long event) | |
3683 | { | |
3684 | struct net_device *real_dev = vlan_dev_real_dev(vlan_dev); | |
99f44bb3 | 3685 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(vlan_dev); |
99724c18 IS |
3686 | u16 vid = vlan_dev_vlan_id(vlan_dev); |
3687 | ||
3688 | if (mlxsw_sp_port_dev_check(real_dev)) | |
3689 | return mlxsw_sp_inetaddr_vport_event(vlan_dev, real_dev, event, | |
3690 | vid); | |
3691 | else if (netif_is_lag_master(real_dev)) | |
3692 | return __mlxsw_sp_inetaddr_lag_event(vlan_dev, real_dev, event, | |
3693 | vid); | |
99f44bb3 IS |
3694 | else if (netif_is_bridge_master(real_dev) && |
3695 | mlxsw_sp->master_bridge.dev == real_dev) | |
3696 | return mlxsw_sp_inetaddr_bridge_event(vlan_dev, real_dev, | |
3697 | event); | |
99724c18 IS |
3698 | |
3699 | return 0; | |
3700 | } | |
3701 | ||
3702 | static int mlxsw_sp_inetaddr_event(struct notifier_block *unused, | |
3703 | unsigned long event, void *ptr) | |
3704 | { | |
3705 | struct in_ifaddr *ifa = (struct in_ifaddr *) ptr; | |
3706 | struct net_device *dev = ifa->ifa_dev->dev; | |
3707 | struct mlxsw_sp *mlxsw_sp; | |
3708 | struct mlxsw_sp_rif *r; | |
3709 | int err = 0; | |
3710 | ||
3711 | mlxsw_sp = mlxsw_sp_lower_get(dev); | |
3712 | if (!mlxsw_sp) | |
3713 | goto out; | |
3714 | ||
3715 | r = mlxsw_sp_rif_find_by_dev(mlxsw_sp, dev); | |
3716 | if (!mlxsw_sp_rif_should_config(r, event)) | |
3717 | goto out; | |
3718 | ||
3719 | if (mlxsw_sp_port_dev_check(dev)) | |
3720 | err = mlxsw_sp_inetaddr_port_event(dev, event); | |
3721 | else if (netif_is_lag_master(dev)) | |
3722 | err = mlxsw_sp_inetaddr_lag_event(dev, event); | |
99f44bb3 IS |
3723 | else if (netif_is_bridge_master(dev)) |
3724 | err = mlxsw_sp_inetaddr_bridge_event(dev, dev, event); | |
99724c18 IS |
3725 | else if (is_vlan_dev(dev)) |
3726 | err = mlxsw_sp_inetaddr_vlan_event(dev, event); | |
3727 | ||
3728 | out: | |
3729 | return notifier_from_errno(err); | |
3730 | } | |
3731 | ||
6e095fd4 IS |
3732 | static int mlxsw_sp_rif_edit(struct mlxsw_sp *mlxsw_sp, u16 rif, |
3733 | const char *mac, int mtu) | |
3734 | { | |
3735 | char ritr_pl[MLXSW_REG_RITR_LEN]; | |
3736 | int err; | |
3737 | ||
3738 | mlxsw_reg_ritr_rif_pack(ritr_pl, rif); | |
3739 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl); | |
3740 | if (err) | |
3741 | return err; | |
3742 | ||
3743 | mlxsw_reg_ritr_mtu_set(ritr_pl, mtu); | |
3744 | mlxsw_reg_ritr_if_mac_memcpy_to(ritr_pl, mac); | |
3745 | mlxsw_reg_ritr_op_set(ritr_pl, MLXSW_REG_RITR_RIF_CREATE); | |
3746 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl); | |
3747 | } | |
3748 | ||
3749 | static int mlxsw_sp_netdevice_router_port_event(struct net_device *dev) | |
3750 | { | |
3751 | struct mlxsw_sp *mlxsw_sp; | |
3752 | struct mlxsw_sp_rif *r; | |
3753 | int err; | |
3754 | ||
3755 | mlxsw_sp = mlxsw_sp_lower_get(dev); | |
3756 | if (!mlxsw_sp) | |
3757 | return 0; | |
3758 | ||
3759 | r = mlxsw_sp_rif_find_by_dev(mlxsw_sp, dev); | |
3760 | if (!r) | |
3761 | return 0; | |
3762 | ||
3763 | err = mlxsw_sp_rif_fdb_op(mlxsw_sp, r->addr, r->f->fid, false); | |
3764 | if (err) | |
3765 | return err; | |
3766 | ||
3767 | err = mlxsw_sp_rif_edit(mlxsw_sp, r->rif, dev->dev_addr, dev->mtu); | |
3768 | if (err) | |
3769 | goto err_rif_edit; | |
3770 | ||
3771 | err = mlxsw_sp_rif_fdb_op(mlxsw_sp, dev->dev_addr, r->f->fid, true); | |
3772 | if (err) | |
3773 | goto err_rif_fdb_op; | |
3774 | ||
3775 | ether_addr_copy(r->addr, dev->dev_addr); | |
3776 | r->mtu = dev->mtu; | |
3777 | ||
3778 | netdev_dbg(dev, "Updated RIF=%d\n", r->rif); | |
3779 | ||
3780 | return 0; | |
3781 | ||
3782 | err_rif_fdb_op: | |
3783 | mlxsw_sp_rif_edit(mlxsw_sp, r->rif, r->addr, r->mtu); | |
3784 | err_rif_edit: | |
3785 | mlxsw_sp_rif_fdb_op(mlxsw_sp, r->addr, r->f->fid, true); | |
3786 | return err; | |
3787 | } | |
3788 | ||
fe3f6d14 IS |
3789 | static bool mlxsw_sp_lag_port_fid_member(struct mlxsw_sp_port *lag_port, |
3790 | u16 fid) | |
3791 | { | |
3792 | if (mlxsw_sp_fid_is_vfid(fid)) | |
3793 | return mlxsw_sp_port_vport_find_by_fid(lag_port, fid); | |
3794 | else | |
3795 | return test_bit(fid, lag_port->active_vlans); | |
3796 | } | |
3797 | ||
3798 | static bool mlxsw_sp_port_fdb_should_flush(struct mlxsw_sp_port *mlxsw_sp_port, | |
3799 | u16 fid) | |
039c49a6 IS |
3800 | { |
3801 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
fe3f6d14 IS |
3802 | u8 local_port = mlxsw_sp_port->local_port; |
3803 | u16 lag_id = mlxsw_sp_port->lag_id; | |
c1a38311 | 3804 | u64 max_lag_members; |
fe3f6d14 | 3805 | int i, count = 0; |
039c49a6 | 3806 | |
fe3f6d14 IS |
3807 | if (!mlxsw_sp_port->lagged) |
3808 | return true; | |
039c49a6 | 3809 | |
c1a38311 JP |
3810 | max_lag_members = MLXSW_CORE_RES_GET(mlxsw_sp->core, |
3811 | MAX_LAG_MEMBERS); | |
3812 | for (i = 0; i < max_lag_members; i++) { | |
fe3f6d14 IS |
3813 | struct mlxsw_sp_port *lag_port; |
3814 | ||
3815 | lag_port = mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i); | |
3816 | if (!lag_port || lag_port->local_port == local_port) | |
3817 | continue; | |
3818 | if (mlxsw_sp_lag_port_fid_member(lag_port, fid)) | |
3819 | count++; | |
3820 | } | |
3821 | ||
3822 | return !count; | |
039c49a6 IS |
3823 | } |
3824 | ||
3825 | static int | |
3826 | mlxsw_sp_port_fdb_flush_by_port_fid(const struct mlxsw_sp_port *mlxsw_sp_port, | |
3827 | u16 fid) | |
3828 | { | |
3829 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
3830 | char sfdf_pl[MLXSW_REG_SFDF_LEN]; | |
3831 | ||
3832 | mlxsw_reg_sfdf_pack(sfdf_pl, MLXSW_REG_SFDF_FLUSH_PER_PORT_AND_FID); | |
3833 | mlxsw_reg_sfdf_fid_set(sfdf_pl, fid); | |
3834 | mlxsw_reg_sfdf_port_fid_system_port_set(sfdf_pl, | |
3835 | mlxsw_sp_port->local_port); | |
3836 | ||
22305378 IS |
3837 | netdev_dbg(mlxsw_sp_port->dev, "FDB flushed using Port=%d, FID=%d\n", |
3838 | mlxsw_sp_port->local_port, fid); | |
3839 | ||
039c49a6 IS |
3840 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdf), sfdf_pl); |
3841 | } | |
3842 | ||
039c49a6 IS |
3843 | static int |
3844 | mlxsw_sp_port_fdb_flush_by_lag_id_fid(const struct mlxsw_sp_port *mlxsw_sp_port, | |
3845 | u16 fid) | |
3846 | { | |
3847 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
3848 | char sfdf_pl[MLXSW_REG_SFDF_LEN]; | |
3849 | ||
3850 | mlxsw_reg_sfdf_pack(sfdf_pl, MLXSW_REG_SFDF_FLUSH_PER_LAG_AND_FID); | |
3851 | mlxsw_reg_sfdf_fid_set(sfdf_pl, fid); | |
3852 | mlxsw_reg_sfdf_lag_fid_lag_id_set(sfdf_pl, mlxsw_sp_port->lag_id); | |
3853 | ||
22305378 IS |
3854 | netdev_dbg(mlxsw_sp_port->dev, "FDB flushed using LAG ID=%d, FID=%d\n", |
3855 | mlxsw_sp_port->lag_id, fid); | |
3856 | ||
039c49a6 IS |
3857 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdf), sfdf_pl); |
3858 | } | |
3859 | ||
fe3f6d14 | 3860 | int mlxsw_sp_port_fdb_flush(struct mlxsw_sp_port *mlxsw_sp_port, u16 fid) |
039c49a6 | 3861 | { |
fe3f6d14 IS |
3862 | if (!mlxsw_sp_port_fdb_should_flush(mlxsw_sp_port, fid)) |
3863 | return 0; | |
039c49a6 | 3864 | |
fe3f6d14 IS |
3865 | if (mlxsw_sp_port->lagged) |
3866 | return mlxsw_sp_port_fdb_flush_by_lag_id_fid(mlxsw_sp_port, | |
039c49a6 IS |
3867 | fid); |
3868 | else | |
fe3f6d14 | 3869 | return mlxsw_sp_port_fdb_flush_by_port_fid(mlxsw_sp_port, fid); |
039c49a6 IS |
3870 | } |
3871 | ||
701b186e IS |
3872 | static void mlxsw_sp_master_bridge_gone_sync(struct mlxsw_sp *mlxsw_sp) |
3873 | { | |
3874 | struct mlxsw_sp_fid *f, *tmp; | |
3875 | ||
3876 | list_for_each_entry_safe(f, tmp, &mlxsw_sp->fids, list) | |
3877 | if (--f->ref_count == 0) | |
3878 | mlxsw_sp_fid_destroy(mlxsw_sp, f); | |
3879 | else | |
3880 | WARN_ON_ONCE(1); | |
3881 | } | |
3882 | ||
7117a570 IS |
3883 | static bool mlxsw_sp_master_bridge_check(struct mlxsw_sp *mlxsw_sp, |
3884 | struct net_device *br_dev) | |
3885 | { | |
3886 | return !mlxsw_sp->master_bridge.dev || | |
3887 | mlxsw_sp->master_bridge.dev == br_dev; | |
3888 | } | |
3889 | ||
3890 | static void mlxsw_sp_master_bridge_inc(struct mlxsw_sp *mlxsw_sp, | |
3891 | struct net_device *br_dev) | |
3892 | { | |
3893 | mlxsw_sp->master_bridge.dev = br_dev; | |
3894 | mlxsw_sp->master_bridge.ref_count++; | |
3895 | } | |
3896 | ||
3897 | static void mlxsw_sp_master_bridge_dec(struct mlxsw_sp *mlxsw_sp) | |
3898 | { | |
701b186e | 3899 | if (--mlxsw_sp->master_bridge.ref_count == 0) { |
7117a570 | 3900 | mlxsw_sp->master_bridge.dev = NULL; |
701b186e IS |
3901 | /* It's possible upper VLAN devices are still holding |
3902 | * references to underlying FIDs. Drop the reference | |
3903 | * and release the resources if it was the last one. | |
3904 | * If it wasn't, then something bad happened. | |
3905 | */ | |
3906 | mlxsw_sp_master_bridge_gone_sync(mlxsw_sp); | |
3907 | } | |
7117a570 IS |
3908 | } |
3909 | ||
3910 | static int mlxsw_sp_port_bridge_join(struct mlxsw_sp_port *mlxsw_sp_port, | |
3911 | struct net_device *br_dev) | |
56ade8fe JP |
3912 | { |
3913 | struct net_device *dev = mlxsw_sp_port->dev; | |
3914 | int err; | |
3915 | ||
3916 | /* When port is not bridged untagged packets are tagged with | |
3917 | * PVID=VID=1, thereby creating an implicit VLAN interface in | |
3918 | * the device. Remove it and let bridge code take care of its | |
3919 | * own VLANs. | |
3920 | */ | |
3921 | err = mlxsw_sp_port_kill_vid(dev, 0, 1); | |
6c72a3d0 IS |
3922 | if (err) |
3923 | return err; | |
56ade8fe | 3924 | |
7117a570 IS |
3925 | mlxsw_sp_master_bridge_inc(mlxsw_sp_port->mlxsw_sp, br_dev); |
3926 | ||
6c72a3d0 IS |
3927 | mlxsw_sp_port->learning = 1; |
3928 | mlxsw_sp_port->learning_sync = 1; | |
3929 | mlxsw_sp_port->uc_flood = 1; | |
3930 | mlxsw_sp_port->bridged = 1; | |
3931 | ||
3932 | return 0; | |
56ade8fe JP |
3933 | } |
3934 | ||
fe3f6d14 | 3935 | static void mlxsw_sp_port_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_port) |
56ade8fe JP |
3936 | { |
3937 | struct net_device *dev = mlxsw_sp_port->dev; | |
5a8f4525 | 3938 | |
28a01d2d IS |
3939 | mlxsw_sp_port_pvid_set(mlxsw_sp_port, 1); |
3940 | ||
7117a570 IS |
3941 | mlxsw_sp_master_bridge_dec(mlxsw_sp_port->mlxsw_sp); |
3942 | ||
6c72a3d0 IS |
3943 | mlxsw_sp_port->learning = 0; |
3944 | mlxsw_sp_port->learning_sync = 0; | |
3945 | mlxsw_sp_port->uc_flood = 0; | |
5a8f4525 | 3946 | mlxsw_sp_port->bridged = 0; |
56ade8fe JP |
3947 | |
3948 | /* Add implicit VLAN interface in the device, so that untagged | |
3949 | * packets will be classified to the default vFID. | |
3950 | */ | |
82e6db03 | 3951 | mlxsw_sp_port_add_vid(dev, 0, 1); |
56ade8fe JP |
3952 | } |
3953 | ||
0d65fc13 JP |
3954 | static int mlxsw_sp_lag_create(struct mlxsw_sp *mlxsw_sp, u16 lag_id) |
3955 | { | |
3956 | char sldr_pl[MLXSW_REG_SLDR_LEN]; | |
3957 | ||
3958 | mlxsw_reg_sldr_lag_create_pack(sldr_pl, lag_id); | |
3959 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); | |
3960 | } | |
3961 | ||
3962 | static int mlxsw_sp_lag_destroy(struct mlxsw_sp *mlxsw_sp, u16 lag_id) | |
3963 | { | |
3964 | char sldr_pl[MLXSW_REG_SLDR_LEN]; | |
3965 | ||
3966 | mlxsw_reg_sldr_lag_destroy_pack(sldr_pl, lag_id); | |
3967 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); | |
3968 | } | |
3969 | ||
3970 | static int mlxsw_sp_lag_col_port_add(struct mlxsw_sp_port *mlxsw_sp_port, | |
3971 | u16 lag_id, u8 port_index) | |
3972 | { | |
3973 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
3974 | char slcor_pl[MLXSW_REG_SLCOR_LEN]; | |
3975 | ||
3976 | mlxsw_reg_slcor_port_add_pack(slcor_pl, mlxsw_sp_port->local_port, | |
3977 | lag_id, port_index); | |
3978 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); | |
3979 | } | |
3980 | ||
3981 | static int mlxsw_sp_lag_col_port_remove(struct mlxsw_sp_port *mlxsw_sp_port, | |
3982 | u16 lag_id) | |
3983 | { | |
3984 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
3985 | char slcor_pl[MLXSW_REG_SLCOR_LEN]; | |
3986 | ||
3987 | mlxsw_reg_slcor_port_remove_pack(slcor_pl, mlxsw_sp_port->local_port, | |
3988 | lag_id); | |
3989 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); | |
3990 | } | |
3991 | ||
3992 | static int mlxsw_sp_lag_col_port_enable(struct mlxsw_sp_port *mlxsw_sp_port, | |
3993 | u16 lag_id) | |
3994 | { | |
3995 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
3996 | char slcor_pl[MLXSW_REG_SLCOR_LEN]; | |
3997 | ||
3998 | mlxsw_reg_slcor_col_enable_pack(slcor_pl, mlxsw_sp_port->local_port, | |
3999 | lag_id); | |
4000 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); | |
4001 | } | |
4002 | ||
4003 | static int mlxsw_sp_lag_col_port_disable(struct mlxsw_sp_port *mlxsw_sp_port, | |
4004 | u16 lag_id) | |
4005 | { | |
4006 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
4007 | char slcor_pl[MLXSW_REG_SLCOR_LEN]; | |
4008 | ||
4009 | mlxsw_reg_slcor_col_disable_pack(slcor_pl, mlxsw_sp_port->local_port, | |
4010 | lag_id); | |
4011 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); | |
4012 | } | |
4013 | ||
4014 | static int mlxsw_sp_lag_index_get(struct mlxsw_sp *mlxsw_sp, | |
4015 | struct net_device *lag_dev, | |
4016 | u16 *p_lag_id) | |
4017 | { | |
4018 | struct mlxsw_sp_upper *lag; | |
4019 | int free_lag_id = -1; | |
c1a38311 | 4020 | u64 max_lag; |
0d65fc13 JP |
4021 | int i; |
4022 | ||
c1a38311 JP |
4023 | max_lag = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_LAG); |
4024 | for (i = 0; i < max_lag; i++) { | |
0d65fc13 JP |
4025 | lag = mlxsw_sp_lag_get(mlxsw_sp, i); |
4026 | if (lag->ref_count) { | |
4027 | if (lag->dev == lag_dev) { | |
4028 | *p_lag_id = i; | |
4029 | return 0; | |
4030 | } | |
4031 | } else if (free_lag_id < 0) { | |
4032 | free_lag_id = i; | |
4033 | } | |
4034 | } | |
4035 | if (free_lag_id < 0) | |
4036 | return -EBUSY; | |
4037 | *p_lag_id = free_lag_id; | |
4038 | return 0; | |
4039 | } | |
4040 | ||
4041 | static bool | |
4042 | mlxsw_sp_master_lag_check(struct mlxsw_sp *mlxsw_sp, | |
4043 | struct net_device *lag_dev, | |
4044 | struct netdev_lag_upper_info *lag_upper_info) | |
4045 | { | |
4046 | u16 lag_id; | |
4047 | ||
4048 | if (mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id) != 0) | |
4049 | return false; | |
4050 | if (lag_upper_info->tx_type != NETDEV_LAG_TX_TYPE_HASH) | |
4051 | return false; | |
4052 | return true; | |
4053 | } | |
4054 | ||
4055 | static int mlxsw_sp_port_lag_index_get(struct mlxsw_sp *mlxsw_sp, | |
4056 | u16 lag_id, u8 *p_port_index) | |
4057 | { | |
c1a38311 | 4058 | u64 max_lag_members; |
0d65fc13 JP |
4059 | int i; |
4060 | ||
c1a38311 JP |
4061 | max_lag_members = MLXSW_CORE_RES_GET(mlxsw_sp->core, |
4062 | MAX_LAG_MEMBERS); | |
4063 | for (i = 0; i < max_lag_members; i++) { | |
0d65fc13 JP |
4064 | if (!mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i)) { |
4065 | *p_port_index = i; | |
4066 | return 0; | |
4067 | } | |
4068 | } | |
4069 | return -EBUSY; | |
4070 | } | |
4071 | ||
86bf95b3 IS |
4072 | static void |
4073 | mlxsw_sp_port_pvid_vport_lag_join(struct mlxsw_sp_port *mlxsw_sp_port, | |
4074 | u16 lag_id) | |
4075 | { | |
4076 | struct mlxsw_sp_port *mlxsw_sp_vport; | |
11943ff4 | 4077 | struct mlxsw_sp_fid *f; |
86bf95b3 IS |
4078 | |
4079 | mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, 1); | |
4080 | if (WARN_ON(!mlxsw_sp_vport)) | |
4081 | return; | |
4082 | ||
11943ff4 IS |
4083 | /* If vPort is assigned a RIF, then leave it since it's no |
4084 | * longer valid. | |
4085 | */ | |
4086 | f = mlxsw_sp_vport_fid_get(mlxsw_sp_vport); | |
4087 | if (f) | |
4088 | f->leave(mlxsw_sp_vport); | |
4089 | ||
86bf95b3 IS |
4090 | mlxsw_sp_vport->lag_id = lag_id; |
4091 | mlxsw_sp_vport->lagged = 1; | |
4092 | } | |
4093 | ||
4094 | static void | |
4095 | mlxsw_sp_port_pvid_vport_lag_leave(struct mlxsw_sp_port *mlxsw_sp_port) | |
4096 | { | |
4097 | struct mlxsw_sp_port *mlxsw_sp_vport; | |
11943ff4 | 4098 | struct mlxsw_sp_fid *f; |
86bf95b3 IS |
4099 | |
4100 | mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, 1); | |
4101 | if (WARN_ON(!mlxsw_sp_vport)) | |
4102 | return; | |
4103 | ||
11943ff4 IS |
4104 | f = mlxsw_sp_vport_fid_get(mlxsw_sp_vport); |
4105 | if (f) | |
4106 | f->leave(mlxsw_sp_vport); | |
4107 | ||
86bf95b3 IS |
4108 | mlxsw_sp_vport->lagged = 0; |
4109 | } | |
4110 | ||
0d65fc13 JP |
4111 | static int mlxsw_sp_port_lag_join(struct mlxsw_sp_port *mlxsw_sp_port, |
4112 | struct net_device *lag_dev) | |
4113 | { | |
4114 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
4115 | struct mlxsw_sp_upper *lag; | |
4116 | u16 lag_id; | |
4117 | u8 port_index; | |
4118 | int err; | |
4119 | ||
4120 | err = mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id); | |
4121 | if (err) | |
4122 | return err; | |
4123 | lag = mlxsw_sp_lag_get(mlxsw_sp, lag_id); | |
4124 | if (!lag->ref_count) { | |
4125 | err = mlxsw_sp_lag_create(mlxsw_sp, lag_id); | |
4126 | if (err) | |
4127 | return err; | |
4128 | lag->dev = lag_dev; | |
4129 | } | |
4130 | ||
4131 | err = mlxsw_sp_port_lag_index_get(mlxsw_sp, lag_id, &port_index); | |
4132 | if (err) | |
4133 | return err; | |
4134 | err = mlxsw_sp_lag_col_port_add(mlxsw_sp_port, lag_id, port_index); | |
4135 | if (err) | |
4136 | goto err_col_port_add; | |
4137 | err = mlxsw_sp_lag_col_port_enable(mlxsw_sp_port, lag_id); | |
4138 | if (err) | |
4139 | goto err_col_port_enable; | |
4140 | ||
4141 | mlxsw_core_lag_mapping_set(mlxsw_sp->core, lag_id, port_index, | |
4142 | mlxsw_sp_port->local_port); | |
4143 | mlxsw_sp_port->lag_id = lag_id; | |
4144 | mlxsw_sp_port->lagged = 1; | |
4145 | lag->ref_count++; | |
86bf95b3 IS |
4146 | |
4147 | mlxsw_sp_port_pvid_vport_lag_join(mlxsw_sp_port, lag_id); | |
4148 | ||
0d65fc13 JP |
4149 | return 0; |
4150 | ||
51554db2 IS |
4151 | err_col_port_enable: |
4152 | mlxsw_sp_lag_col_port_remove(mlxsw_sp_port, lag_id); | |
0d65fc13 JP |
4153 | err_col_port_add: |
4154 | if (!lag->ref_count) | |
4155 | mlxsw_sp_lag_destroy(mlxsw_sp, lag_id); | |
0d65fc13 JP |
4156 | return err; |
4157 | } | |
4158 | ||
82e6db03 IS |
4159 | static void mlxsw_sp_port_lag_leave(struct mlxsw_sp_port *mlxsw_sp_port, |
4160 | struct net_device *lag_dev) | |
0d65fc13 JP |
4161 | { |
4162 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
0d65fc13 | 4163 | u16 lag_id = mlxsw_sp_port->lag_id; |
1c800759 | 4164 | struct mlxsw_sp_upper *lag; |
0d65fc13 JP |
4165 | |
4166 | if (!mlxsw_sp_port->lagged) | |
82e6db03 | 4167 | return; |
0d65fc13 JP |
4168 | lag = mlxsw_sp_lag_get(mlxsw_sp, lag_id); |
4169 | WARN_ON(lag->ref_count == 0); | |
4170 | ||
82e6db03 IS |
4171 | mlxsw_sp_lag_col_port_disable(mlxsw_sp_port, lag_id); |
4172 | mlxsw_sp_lag_col_port_remove(mlxsw_sp_port, lag_id); | |
0d65fc13 | 4173 | |
4dc236c3 IS |
4174 | if (mlxsw_sp_port->bridged) { |
4175 | mlxsw_sp_port_active_vlans_del(mlxsw_sp_port); | |
fe3f6d14 | 4176 | mlxsw_sp_port_bridge_leave(mlxsw_sp_port); |
4dc236c3 IS |
4177 | } |
4178 | ||
fe3f6d14 | 4179 | if (lag->ref_count == 1) |
82e6db03 | 4180 | mlxsw_sp_lag_destroy(mlxsw_sp, lag_id); |
0d65fc13 JP |
4181 | |
4182 | mlxsw_core_lag_mapping_clear(mlxsw_sp->core, lag_id, | |
4183 | mlxsw_sp_port->local_port); | |
4184 | mlxsw_sp_port->lagged = 0; | |
4185 | lag->ref_count--; | |
86bf95b3 IS |
4186 | |
4187 | mlxsw_sp_port_pvid_vport_lag_leave(mlxsw_sp_port); | |
0d65fc13 JP |
4188 | } |
4189 | ||
74581206 JP |
4190 | static int mlxsw_sp_lag_dist_port_add(struct mlxsw_sp_port *mlxsw_sp_port, |
4191 | u16 lag_id) | |
4192 | { | |
4193 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
4194 | char sldr_pl[MLXSW_REG_SLDR_LEN]; | |
4195 | ||
4196 | mlxsw_reg_sldr_lag_add_port_pack(sldr_pl, lag_id, | |
4197 | mlxsw_sp_port->local_port); | |
4198 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); | |
4199 | } | |
4200 | ||
4201 | static int mlxsw_sp_lag_dist_port_remove(struct mlxsw_sp_port *mlxsw_sp_port, | |
4202 | u16 lag_id) | |
4203 | { | |
4204 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
4205 | char sldr_pl[MLXSW_REG_SLDR_LEN]; | |
4206 | ||
4207 | mlxsw_reg_sldr_lag_remove_port_pack(sldr_pl, lag_id, | |
4208 | mlxsw_sp_port->local_port); | |
4209 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); | |
4210 | } | |
4211 | ||
4212 | static int mlxsw_sp_port_lag_tx_en_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
4213 | bool lag_tx_enabled) | |
4214 | { | |
4215 | if (lag_tx_enabled) | |
4216 | return mlxsw_sp_lag_dist_port_add(mlxsw_sp_port, | |
4217 | mlxsw_sp_port->lag_id); | |
4218 | else | |
4219 | return mlxsw_sp_lag_dist_port_remove(mlxsw_sp_port, | |
4220 | mlxsw_sp_port->lag_id); | |
4221 | } | |
4222 | ||
4223 | static int mlxsw_sp_port_lag_changed(struct mlxsw_sp_port *mlxsw_sp_port, | |
4224 | struct netdev_lag_lower_state_info *info) | |
4225 | { | |
4226 | return mlxsw_sp_port_lag_tx_en_set(mlxsw_sp_port, info->tx_enabled); | |
4227 | } | |
4228 | ||
9589a7b5 IS |
4229 | static int mlxsw_sp_port_vlan_link(struct mlxsw_sp_port *mlxsw_sp_port, |
4230 | struct net_device *vlan_dev) | |
4231 | { | |
4232 | struct mlxsw_sp_port *mlxsw_sp_vport; | |
4233 | u16 vid = vlan_dev_vlan_id(vlan_dev); | |
4234 | ||
4235 | mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, vid); | |
423b937e | 4236 | if (WARN_ON(!mlxsw_sp_vport)) |
9589a7b5 | 4237 | return -EINVAL; |
9589a7b5 IS |
4238 | |
4239 | mlxsw_sp_vport->dev = vlan_dev; | |
4240 | ||
4241 | return 0; | |
4242 | } | |
4243 | ||
82e6db03 IS |
4244 | static void mlxsw_sp_port_vlan_unlink(struct mlxsw_sp_port *mlxsw_sp_port, |
4245 | struct net_device *vlan_dev) | |
9589a7b5 IS |
4246 | { |
4247 | struct mlxsw_sp_port *mlxsw_sp_vport; | |
4248 | u16 vid = vlan_dev_vlan_id(vlan_dev); | |
4249 | ||
4250 | mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, vid); | |
423b937e | 4251 | if (WARN_ON(!mlxsw_sp_vport)) |
82e6db03 | 4252 | return; |
9589a7b5 IS |
4253 | |
4254 | mlxsw_sp_vport->dev = mlxsw_sp_port->dev; | |
9589a7b5 IS |
4255 | } |
4256 | ||
74581206 JP |
4257 | static int mlxsw_sp_netdevice_port_upper_event(struct net_device *dev, |
4258 | unsigned long event, void *ptr) | |
56ade8fe | 4259 | { |
56ade8fe JP |
4260 | struct netdev_notifier_changeupper_info *info; |
4261 | struct mlxsw_sp_port *mlxsw_sp_port; | |
4262 | struct net_device *upper_dev; | |
4263 | struct mlxsw_sp *mlxsw_sp; | |
80bedf1a | 4264 | int err = 0; |
56ade8fe | 4265 | |
56ade8fe JP |
4266 | mlxsw_sp_port = netdev_priv(dev); |
4267 | mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
4268 | info = ptr; | |
4269 | ||
4270 | switch (event) { | |
4271 | case NETDEV_PRECHANGEUPPER: | |
4272 | upper_dev = info->upper_dev; | |
59fe9b3f IS |
4273 | if (!is_vlan_dev(upper_dev) && |
4274 | !netif_is_lag_master(upper_dev) && | |
4275 | !netif_is_bridge_master(upper_dev)) | |
4276 | return -EINVAL; | |
6ec43904 | 4277 | if (!info->linking) |
0d65fc13 | 4278 | break; |
56ade8fe | 4279 | /* HW limitation forbids to put ports to multiple bridges. */ |
0d65fc13 | 4280 | if (netif_is_bridge_master(upper_dev) && |
56ade8fe | 4281 | !mlxsw_sp_master_bridge_check(mlxsw_sp, upper_dev)) |
80bedf1a | 4282 | return -EINVAL; |
0d65fc13 JP |
4283 | if (netif_is_lag_master(upper_dev) && |
4284 | !mlxsw_sp_master_lag_check(mlxsw_sp, upper_dev, | |
4285 | info->upper_info)) | |
80bedf1a | 4286 | return -EINVAL; |
6ec43904 IS |
4287 | if (netif_is_lag_master(upper_dev) && vlan_uses_dev(dev)) |
4288 | return -EINVAL; | |
4289 | if (netif_is_lag_port(dev) && is_vlan_dev(upper_dev) && | |
4290 | !netif_is_lag_master(vlan_dev_real_dev(upper_dev))) | |
4291 | return -EINVAL; | |
56ade8fe JP |
4292 | break; |
4293 | case NETDEV_CHANGEUPPER: | |
4294 | upper_dev = info->upper_dev; | |
9589a7b5 | 4295 | if (is_vlan_dev(upper_dev)) { |
80bedf1a | 4296 | if (info->linking) |
9589a7b5 IS |
4297 | err = mlxsw_sp_port_vlan_link(mlxsw_sp_port, |
4298 | upper_dev); | |
80bedf1a | 4299 | else |
82e6db03 IS |
4300 | mlxsw_sp_port_vlan_unlink(mlxsw_sp_port, |
4301 | upper_dev); | |
9589a7b5 | 4302 | } else if (netif_is_bridge_master(upper_dev)) { |
7117a570 IS |
4303 | if (info->linking) |
4304 | err = mlxsw_sp_port_bridge_join(mlxsw_sp_port, | |
4305 | upper_dev); | |
4306 | else | |
fe3f6d14 | 4307 | mlxsw_sp_port_bridge_leave(mlxsw_sp_port); |
0d65fc13 | 4308 | } else if (netif_is_lag_master(upper_dev)) { |
80bedf1a | 4309 | if (info->linking) |
0d65fc13 JP |
4310 | err = mlxsw_sp_port_lag_join(mlxsw_sp_port, |
4311 | upper_dev); | |
80bedf1a | 4312 | else |
82e6db03 IS |
4313 | mlxsw_sp_port_lag_leave(mlxsw_sp_port, |
4314 | upper_dev); | |
59fe9b3f IS |
4315 | } else { |
4316 | err = -EINVAL; | |
4317 | WARN_ON(1); | |
56ade8fe JP |
4318 | } |
4319 | break; | |
4320 | } | |
4321 | ||
80bedf1a | 4322 | return err; |
56ade8fe JP |
4323 | } |
4324 | ||
74581206 JP |
4325 | static int mlxsw_sp_netdevice_port_lower_event(struct net_device *dev, |
4326 | unsigned long event, void *ptr) | |
4327 | { | |
4328 | struct netdev_notifier_changelowerstate_info *info; | |
4329 | struct mlxsw_sp_port *mlxsw_sp_port; | |
4330 | int err; | |
4331 | ||
4332 | mlxsw_sp_port = netdev_priv(dev); | |
4333 | info = ptr; | |
4334 | ||
4335 | switch (event) { | |
4336 | case NETDEV_CHANGELOWERSTATE: | |
4337 | if (netif_is_lag_port(dev) && mlxsw_sp_port->lagged) { | |
4338 | err = mlxsw_sp_port_lag_changed(mlxsw_sp_port, | |
4339 | info->lower_state_info); | |
4340 | if (err) | |
4341 | netdev_err(dev, "Failed to reflect link aggregation lower state change\n"); | |
4342 | } | |
4343 | break; | |
4344 | } | |
4345 | ||
80bedf1a | 4346 | return 0; |
74581206 JP |
4347 | } |
4348 | ||
4349 | static int mlxsw_sp_netdevice_port_event(struct net_device *dev, | |
4350 | unsigned long event, void *ptr) | |
4351 | { | |
4352 | switch (event) { | |
4353 | case NETDEV_PRECHANGEUPPER: | |
4354 | case NETDEV_CHANGEUPPER: | |
4355 | return mlxsw_sp_netdevice_port_upper_event(dev, event, ptr); | |
4356 | case NETDEV_CHANGELOWERSTATE: | |
4357 | return mlxsw_sp_netdevice_port_lower_event(dev, event, ptr); | |
4358 | } | |
4359 | ||
80bedf1a | 4360 | return 0; |
74581206 JP |
4361 | } |
4362 | ||
0d65fc13 JP |
4363 | static int mlxsw_sp_netdevice_lag_event(struct net_device *lag_dev, |
4364 | unsigned long event, void *ptr) | |
4365 | { | |
4366 | struct net_device *dev; | |
4367 | struct list_head *iter; | |
4368 | int ret; | |
4369 | ||
4370 | netdev_for_each_lower_dev(lag_dev, dev, iter) { | |
4371 | if (mlxsw_sp_port_dev_check(dev)) { | |
4372 | ret = mlxsw_sp_netdevice_port_event(dev, event, ptr); | |
80bedf1a | 4373 | if (ret) |
0d65fc13 JP |
4374 | return ret; |
4375 | } | |
4376 | } | |
4377 | ||
80bedf1a | 4378 | return 0; |
0d65fc13 JP |
4379 | } |
4380 | ||
701b186e IS |
4381 | static int mlxsw_sp_master_bridge_vlan_link(struct mlxsw_sp *mlxsw_sp, |
4382 | struct net_device *vlan_dev) | |
26f0e7fb | 4383 | { |
701b186e | 4384 | u16 fid = vlan_dev_vlan_id(vlan_dev); |
d0ec875a | 4385 | struct mlxsw_sp_fid *f; |
26f0e7fb | 4386 | |
701b186e IS |
4387 | f = mlxsw_sp_fid_find(mlxsw_sp, fid); |
4388 | if (!f) { | |
4389 | f = mlxsw_sp_fid_create(mlxsw_sp, fid); | |
4390 | if (IS_ERR(f)) | |
4391 | return PTR_ERR(f); | |
26f0e7fb IS |
4392 | } |
4393 | ||
701b186e IS |
4394 | f->ref_count++; |
4395 | ||
4396 | return 0; | |
4397 | } | |
4398 | ||
4399 | static void mlxsw_sp_master_bridge_vlan_unlink(struct mlxsw_sp *mlxsw_sp, | |
4400 | struct net_device *vlan_dev) | |
4401 | { | |
4402 | u16 fid = vlan_dev_vlan_id(vlan_dev); | |
4403 | struct mlxsw_sp_fid *f; | |
4404 | ||
4405 | f = mlxsw_sp_fid_find(mlxsw_sp, fid); | |
99f44bb3 IS |
4406 | if (f && f->r) |
4407 | mlxsw_sp_rif_bridge_destroy(mlxsw_sp, f->r); | |
701b186e IS |
4408 | if (f && --f->ref_count == 0) |
4409 | mlxsw_sp_fid_destroy(mlxsw_sp, f); | |
4410 | } | |
4411 | ||
4412 | static int mlxsw_sp_netdevice_bridge_event(struct net_device *br_dev, | |
4413 | unsigned long event, void *ptr) | |
4414 | { | |
4415 | struct netdev_notifier_changeupper_info *info; | |
4416 | struct net_device *upper_dev; | |
4417 | struct mlxsw_sp *mlxsw_sp; | |
4418 | int err; | |
4419 | ||
4420 | mlxsw_sp = mlxsw_sp_lower_get(br_dev); | |
4421 | if (!mlxsw_sp) | |
4422 | return 0; | |
4423 | if (br_dev != mlxsw_sp->master_bridge.dev) | |
4424 | return 0; | |
4425 | ||
4426 | info = ptr; | |
4427 | ||
4428 | switch (event) { | |
4429 | case NETDEV_CHANGEUPPER: | |
4430 | upper_dev = info->upper_dev; | |
4431 | if (!is_vlan_dev(upper_dev)) | |
4432 | break; | |
4433 | if (info->linking) { | |
4434 | err = mlxsw_sp_master_bridge_vlan_link(mlxsw_sp, | |
4435 | upper_dev); | |
4436 | if (err) | |
4437 | return err; | |
4438 | } else { | |
4439 | mlxsw_sp_master_bridge_vlan_unlink(mlxsw_sp, upper_dev); | |
4440 | } | |
4441 | break; | |
4442 | } | |
4443 | ||
4444 | return 0; | |
26f0e7fb IS |
4445 | } |
4446 | ||
3ba2ebf4 | 4447 | static u16 mlxsw_sp_avail_vfid_get(const struct mlxsw_sp *mlxsw_sp) |
26f0e7fb | 4448 | { |
3ba2ebf4 | 4449 | return find_first_zero_bit(mlxsw_sp->vfids.mapped, |
99724c18 | 4450 | MLXSW_SP_VFID_MAX); |
26f0e7fb IS |
4451 | } |
4452 | ||
99724c18 | 4453 | static int mlxsw_sp_vfid_op(struct mlxsw_sp *mlxsw_sp, u16 fid, bool create) |
26f0e7fb | 4454 | { |
99724c18 | 4455 | char sfmr_pl[MLXSW_REG_SFMR_LEN]; |
26f0e7fb | 4456 | |
99724c18 IS |
4457 | mlxsw_reg_sfmr_pack(sfmr_pl, !create, fid, 0); |
4458 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfmr), sfmr_pl); | |
26f0e7fb IS |
4459 | } |
4460 | ||
3ba2ebf4 | 4461 | static void mlxsw_sp_vport_vfid_leave(struct mlxsw_sp_port *mlxsw_sp_vport); |
1c800759 | 4462 | |
3ba2ebf4 IS |
4463 | static struct mlxsw_sp_fid *mlxsw_sp_vfid_create(struct mlxsw_sp *mlxsw_sp, |
4464 | struct net_device *br_dev) | |
26f0e7fb IS |
4465 | { |
4466 | struct device *dev = mlxsw_sp->bus_info->dev; | |
d0ec875a | 4467 | struct mlxsw_sp_fid *f; |
c7e920b5 | 4468 | u16 vfid, fid; |
26f0e7fb IS |
4469 | int err; |
4470 | ||
3ba2ebf4 | 4471 | vfid = mlxsw_sp_avail_vfid_get(mlxsw_sp); |
c7e920b5 | 4472 | if (vfid == MLXSW_SP_VFID_MAX) { |
26f0e7fb IS |
4473 | dev_err(dev, "No available vFIDs\n"); |
4474 | return ERR_PTR(-ERANGE); | |
4475 | } | |
4476 | ||
c7e920b5 IS |
4477 | fid = mlxsw_sp_vfid_to_fid(vfid); |
4478 | err = mlxsw_sp_vfid_op(mlxsw_sp, fid, true); | |
26f0e7fb | 4479 | if (err) { |
c7e920b5 | 4480 | dev_err(dev, "Failed to create FID=%d\n", fid); |
26f0e7fb IS |
4481 | return ERR_PTR(err); |
4482 | } | |
4483 | ||
c7e920b5 IS |
4484 | f = kzalloc(sizeof(*f), GFP_KERNEL); |
4485 | if (!f) | |
26f0e7fb IS |
4486 | goto err_allocate_vfid; |
4487 | ||
3ba2ebf4 | 4488 | f->leave = mlxsw_sp_vport_vfid_leave; |
d0ec875a IS |
4489 | f->fid = fid; |
4490 | f->dev = br_dev; | |
26f0e7fb | 4491 | |
3ba2ebf4 IS |
4492 | list_add(&f->list, &mlxsw_sp->vfids.list); |
4493 | set_bit(vfid, mlxsw_sp->vfids.mapped); | |
26f0e7fb | 4494 | |
c7e920b5 | 4495 | return f; |
26f0e7fb IS |
4496 | |
4497 | err_allocate_vfid: | |
c7e920b5 | 4498 | mlxsw_sp_vfid_op(mlxsw_sp, fid, false); |
26f0e7fb IS |
4499 | return ERR_PTR(-ENOMEM); |
4500 | } | |
4501 | ||
3ba2ebf4 IS |
4502 | static void mlxsw_sp_vfid_destroy(struct mlxsw_sp *mlxsw_sp, |
4503 | struct mlxsw_sp_fid *f) | |
26f0e7fb | 4504 | { |
d0ec875a | 4505 | u16 vfid = mlxsw_sp_fid_to_vfid(f->fid); |
99f44bb3 | 4506 | u16 fid = f->fid; |
26f0e7fb | 4507 | |
3ba2ebf4 | 4508 | clear_bit(vfid, mlxsw_sp->vfids.mapped); |
d0ec875a | 4509 | list_del(&f->list); |
26f0e7fb | 4510 | |
99f44bb3 IS |
4511 | if (f->r) |
4512 | mlxsw_sp_rif_bridge_destroy(mlxsw_sp, f->r); | |
26f0e7fb | 4513 | |
d0ec875a | 4514 | kfree(f); |
99f44bb3 IS |
4515 | |
4516 | mlxsw_sp_vfid_op(mlxsw_sp, fid, false); | |
26f0e7fb IS |
4517 | } |
4518 | ||
99724c18 IS |
4519 | static int mlxsw_sp_vport_fid_map(struct mlxsw_sp_port *mlxsw_sp_vport, u16 fid, |
4520 | bool valid) | |
4521 | { | |
4522 | enum mlxsw_reg_svfa_mt mt = MLXSW_REG_SVFA_MT_PORT_VID_TO_FID; | |
4523 | u16 vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport); | |
4524 | ||
4525 | return mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_vport, mt, valid, fid, | |
4526 | vid); | |
4527 | } | |
4528 | ||
3ba2ebf4 IS |
4529 | static int mlxsw_sp_vport_vfid_join(struct mlxsw_sp_port *mlxsw_sp_vport, |
4530 | struct net_device *br_dev) | |
26f0e7fb | 4531 | { |
0355b59f | 4532 | struct mlxsw_sp_fid *f; |
26f0e7fb IS |
4533 | int err; |
4534 | ||
3ba2ebf4 | 4535 | f = mlxsw_sp_vfid_find(mlxsw_sp_vport->mlxsw_sp, br_dev); |
0355b59f | 4536 | if (!f) { |
3ba2ebf4 | 4537 | f = mlxsw_sp_vfid_create(mlxsw_sp_vport->mlxsw_sp, br_dev); |
0355b59f IS |
4538 | if (IS_ERR(f)) |
4539 | return PTR_ERR(f); | |
26f0e7fb IS |
4540 | } |
4541 | ||
0355b59f IS |
4542 | err = mlxsw_sp_vport_flood_set(mlxsw_sp_vport, f->fid, true); |
4543 | if (err) | |
4544 | goto err_vport_flood_set; | |
26f0e7fb | 4545 | |
0355b59f IS |
4546 | err = mlxsw_sp_vport_fid_map(mlxsw_sp_vport, f->fid, true); |
4547 | if (err) | |
9c4d4423 | 4548 | goto err_vport_fid_map; |
26f0e7fb | 4549 | |
41b996cc | 4550 | mlxsw_sp_vport_fid_set(mlxsw_sp_vport, f); |
0355b59f | 4551 | f->ref_count++; |
6a9863a6 | 4552 | |
22305378 IS |
4553 | netdev_dbg(mlxsw_sp_vport->dev, "Joined FID=%d\n", f->fid); |
4554 | ||
0355b59f | 4555 | return 0; |
039c49a6 | 4556 | |
0355b59f IS |
4557 | err_vport_fid_map: |
4558 | mlxsw_sp_vport_flood_set(mlxsw_sp_vport, f->fid, false); | |
4559 | err_vport_flood_set: | |
d0ec875a | 4560 | if (!f->ref_count) |
3ba2ebf4 | 4561 | mlxsw_sp_vfid_destroy(mlxsw_sp_vport->mlxsw_sp, f); |
0355b59f IS |
4562 | return err; |
4563 | } | |
26f0e7fb | 4564 | |
3ba2ebf4 | 4565 | static void mlxsw_sp_vport_vfid_leave(struct mlxsw_sp_port *mlxsw_sp_vport) |
0355b59f | 4566 | { |
41b996cc | 4567 | struct mlxsw_sp_fid *f = mlxsw_sp_vport_fid_get(mlxsw_sp_vport); |
26f0e7fb | 4568 | |
22305378 IS |
4569 | netdev_dbg(mlxsw_sp_vport->dev, "Left FID=%d\n", f->fid); |
4570 | ||
0355b59f | 4571 | mlxsw_sp_vport_fid_map(mlxsw_sp_vport, f->fid, false); |
26f0e7fb | 4572 | |
0355b59f IS |
4573 | mlxsw_sp_vport_flood_set(mlxsw_sp_vport, f->fid, false); |
4574 | ||
fe3f6d14 IS |
4575 | mlxsw_sp_port_fdb_flush(mlxsw_sp_vport, f->fid); |
4576 | ||
41b996cc | 4577 | mlxsw_sp_vport_fid_set(mlxsw_sp_vport, NULL); |
0355b59f | 4578 | if (--f->ref_count == 0) |
3ba2ebf4 | 4579 | mlxsw_sp_vfid_destroy(mlxsw_sp_vport->mlxsw_sp, f); |
26f0e7fb IS |
4580 | } |
4581 | ||
4582 | static int mlxsw_sp_vport_bridge_join(struct mlxsw_sp_port *mlxsw_sp_vport, | |
4583 | struct net_device *br_dev) | |
4584 | { | |
99724c18 | 4585 | struct mlxsw_sp_fid *f = mlxsw_sp_vport_fid_get(mlxsw_sp_vport); |
26f0e7fb IS |
4586 | u16 vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport); |
4587 | struct net_device *dev = mlxsw_sp_vport->dev; | |
26f0e7fb IS |
4588 | int err; |
4589 | ||
99724c18 IS |
4590 | if (f && !WARN_ON(!f->leave)) |
4591 | f->leave(mlxsw_sp_vport); | |
26f0e7fb | 4592 | |
3ba2ebf4 | 4593 | err = mlxsw_sp_vport_vfid_join(mlxsw_sp_vport, br_dev); |
26f0e7fb | 4594 | if (err) { |
0355b59f | 4595 | netdev_err(dev, "Failed to join vFID\n"); |
99724c18 | 4596 | return err; |
26f0e7fb IS |
4597 | } |
4598 | ||
4599 | err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_vport, vid, true); | |
4600 | if (err) { | |
4601 | netdev_err(dev, "Failed to enable learning\n"); | |
4602 | goto err_port_vid_learning_set; | |
4603 | } | |
4604 | ||
26f0e7fb IS |
4605 | mlxsw_sp_vport->learning = 1; |
4606 | mlxsw_sp_vport->learning_sync = 1; | |
4607 | mlxsw_sp_vport->uc_flood = 1; | |
4608 | mlxsw_sp_vport->bridged = 1; | |
4609 | ||
4610 | return 0; | |
4611 | ||
26f0e7fb | 4612 | err_port_vid_learning_set: |
3ba2ebf4 | 4613 | mlxsw_sp_vport_vfid_leave(mlxsw_sp_vport); |
26f0e7fb IS |
4614 | return err; |
4615 | } | |
4616 | ||
fe3f6d14 | 4617 | static void mlxsw_sp_vport_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_vport) |
0355b59f IS |
4618 | { |
4619 | u16 vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport); | |
0355b59f IS |
4620 | |
4621 | mlxsw_sp_port_vid_learning_set(mlxsw_sp_vport, vid, false); | |
4622 | ||
3ba2ebf4 | 4623 | mlxsw_sp_vport_vfid_leave(mlxsw_sp_vport); |
0355b59f | 4624 | |
0355b59f IS |
4625 | mlxsw_sp_vport->learning = 0; |
4626 | mlxsw_sp_vport->learning_sync = 0; | |
4627 | mlxsw_sp_vport->uc_flood = 0; | |
4628 | mlxsw_sp_vport->bridged = 0; | |
4629 | } | |
4630 | ||
26f0e7fb IS |
4631 | static bool |
4632 | mlxsw_sp_port_master_bridge_check(const struct mlxsw_sp_port *mlxsw_sp_port, | |
4633 | const struct net_device *br_dev) | |
4634 | { | |
4635 | struct mlxsw_sp_port *mlxsw_sp_vport; | |
4636 | ||
4637 | list_for_each_entry(mlxsw_sp_vport, &mlxsw_sp_port->vports_list, | |
4638 | vport.list) { | |
3ba2ebf4 | 4639 | struct net_device *dev = mlxsw_sp_vport_dev_get(mlxsw_sp_vport); |
56918b6b IS |
4640 | |
4641 | if (dev && dev == br_dev) | |
26f0e7fb IS |
4642 | return false; |
4643 | } | |
4644 | ||
4645 | return true; | |
4646 | } | |
4647 | ||
4648 | static int mlxsw_sp_netdevice_vport_event(struct net_device *dev, | |
4649 | unsigned long event, void *ptr, | |
4650 | u16 vid) | |
4651 | { | |
4652 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
4653 | struct netdev_notifier_changeupper_info *info = ptr; | |
4654 | struct mlxsw_sp_port *mlxsw_sp_vport; | |
4655 | struct net_device *upper_dev; | |
80bedf1a | 4656 | int err = 0; |
26f0e7fb IS |
4657 | |
4658 | mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, vid); | |
4659 | ||
4660 | switch (event) { | |
4661 | case NETDEV_PRECHANGEUPPER: | |
4662 | upper_dev = info->upper_dev; | |
26f0e7fb | 4663 | if (!netif_is_bridge_master(upper_dev)) |
80bedf1a | 4664 | return -EINVAL; |
ddbe993d IS |
4665 | if (!info->linking) |
4666 | break; | |
26f0e7fb IS |
4667 | /* We can't have multiple VLAN interfaces configured on |
4668 | * the same port and being members in the same bridge. | |
4669 | */ | |
4670 | if (!mlxsw_sp_port_master_bridge_check(mlxsw_sp_port, | |
4671 | upper_dev)) | |
80bedf1a | 4672 | return -EINVAL; |
26f0e7fb IS |
4673 | break; |
4674 | case NETDEV_CHANGEUPPER: | |
4675 | upper_dev = info->upper_dev; | |
26f0e7fb | 4676 | if (info->linking) { |
423b937e | 4677 | if (WARN_ON(!mlxsw_sp_vport)) |
80bedf1a | 4678 | return -EINVAL; |
26f0e7fb IS |
4679 | err = mlxsw_sp_vport_bridge_join(mlxsw_sp_vport, |
4680 | upper_dev); | |
26f0e7fb | 4681 | } else { |
26f0e7fb | 4682 | if (!mlxsw_sp_vport) |
80bedf1a | 4683 | return 0; |
fe3f6d14 | 4684 | mlxsw_sp_vport_bridge_leave(mlxsw_sp_vport); |
26f0e7fb IS |
4685 | } |
4686 | } | |
4687 | ||
80bedf1a | 4688 | return err; |
26f0e7fb IS |
4689 | } |
4690 | ||
272c4470 IS |
4691 | static int mlxsw_sp_netdevice_lag_vport_event(struct net_device *lag_dev, |
4692 | unsigned long event, void *ptr, | |
4693 | u16 vid) | |
4694 | { | |
4695 | struct net_device *dev; | |
4696 | struct list_head *iter; | |
4697 | int ret; | |
4698 | ||
4699 | netdev_for_each_lower_dev(lag_dev, dev, iter) { | |
4700 | if (mlxsw_sp_port_dev_check(dev)) { | |
4701 | ret = mlxsw_sp_netdevice_vport_event(dev, event, ptr, | |
4702 | vid); | |
80bedf1a | 4703 | if (ret) |
272c4470 IS |
4704 | return ret; |
4705 | } | |
4706 | } | |
4707 | ||
80bedf1a | 4708 | return 0; |
272c4470 IS |
4709 | } |
4710 | ||
26f0e7fb IS |
4711 | static int mlxsw_sp_netdevice_vlan_event(struct net_device *vlan_dev, |
4712 | unsigned long event, void *ptr) | |
4713 | { | |
4714 | struct net_device *real_dev = vlan_dev_real_dev(vlan_dev); | |
4715 | u16 vid = vlan_dev_vlan_id(vlan_dev); | |
4716 | ||
272c4470 IS |
4717 | if (mlxsw_sp_port_dev_check(real_dev)) |
4718 | return mlxsw_sp_netdevice_vport_event(real_dev, event, ptr, | |
4719 | vid); | |
4720 | else if (netif_is_lag_master(real_dev)) | |
4721 | return mlxsw_sp_netdevice_lag_vport_event(real_dev, event, ptr, | |
4722 | vid); | |
26f0e7fb | 4723 | |
80bedf1a | 4724 | return 0; |
26f0e7fb IS |
4725 | } |
4726 | ||
0d65fc13 JP |
4727 | static int mlxsw_sp_netdevice_event(struct notifier_block *unused, |
4728 | unsigned long event, void *ptr) | |
4729 | { | |
4730 | struct net_device *dev = netdev_notifier_info_to_dev(ptr); | |
80bedf1a | 4731 | int err = 0; |
0d65fc13 | 4732 | |
6e095fd4 IS |
4733 | if (event == NETDEV_CHANGEADDR || event == NETDEV_CHANGEMTU) |
4734 | err = mlxsw_sp_netdevice_router_port_event(dev); | |
4735 | else if (mlxsw_sp_port_dev_check(dev)) | |
80bedf1a IS |
4736 | err = mlxsw_sp_netdevice_port_event(dev, event, ptr); |
4737 | else if (netif_is_lag_master(dev)) | |
4738 | err = mlxsw_sp_netdevice_lag_event(dev, event, ptr); | |
701b186e IS |
4739 | else if (netif_is_bridge_master(dev)) |
4740 | err = mlxsw_sp_netdevice_bridge_event(dev, event, ptr); | |
80bedf1a IS |
4741 | else if (is_vlan_dev(dev)) |
4742 | err = mlxsw_sp_netdevice_vlan_event(dev, event, ptr); | |
26f0e7fb | 4743 | |
80bedf1a | 4744 | return notifier_from_errno(err); |
0d65fc13 JP |
4745 | } |
4746 | ||
56ade8fe JP |
4747 | static struct notifier_block mlxsw_sp_netdevice_nb __read_mostly = { |
4748 | .notifier_call = mlxsw_sp_netdevice_event, | |
4749 | }; | |
4750 | ||
99724c18 IS |
4751 | static struct notifier_block mlxsw_sp_inetaddr_nb __read_mostly = { |
4752 | .notifier_call = mlxsw_sp_inetaddr_event, | |
4753 | .priority = 10, /* Must be called before FIB notifier block */ | |
4754 | }; | |
4755 | ||
e7322638 JP |
4756 | static struct notifier_block mlxsw_sp_router_netevent_nb __read_mostly = { |
4757 | .notifier_call = mlxsw_sp_router_netevent_event, | |
4758 | }; | |
4759 | ||
1d20d23c JP |
4760 | static const struct pci_device_id mlxsw_sp_pci_id_table[] = { |
4761 | {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM), 0}, | |
4762 | {0, }, | |
4763 | }; | |
4764 | ||
4765 | static struct pci_driver mlxsw_sp_pci_driver = { | |
4766 | .name = mlxsw_sp_driver_name, | |
4767 | .id_table = mlxsw_sp_pci_id_table, | |
4768 | }; | |
4769 | ||
56ade8fe JP |
4770 | static int __init mlxsw_sp_module_init(void) |
4771 | { | |
4772 | int err; | |
4773 | ||
4774 | register_netdevice_notifier(&mlxsw_sp_netdevice_nb); | |
99724c18 | 4775 | register_inetaddr_notifier(&mlxsw_sp_inetaddr_nb); |
e7322638 JP |
4776 | register_netevent_notifier(&mlxsw_sp_router_netevent_nb); |
4777 | ||
56ade8fe JP |
4778 | err = mlxsw_core_driver_register(&mlxsw_sp_driver); |
4779 | if (err) | |
4780 | goto err_core_driver_register; | |
1d20d23c JP |
4781 | |
4782 | err = mlxsw_pci_driver_register(&mlxsw_sp_pci_driver); | |
4783 | if (err) | |
4784 | goto err_pci_driver_register; | |
4785 | ||
56ade8fe JP |
4786 | return 0; |
4787 | ||
1d20d23c JP |
4788 | err_pci_driver_register: |
4789 | mlxsw_core_driver_unregister(&mlxsw_sp_driver); | |
56ade8fe | 4790 | err_core_driver_register: |
e7322638 | 4791 | unregister_netevent_notifier(&mlxsw_sp_router_netevent_nb); |
de7d6295 | 4792 | unregister_inetaddr_notifier(&mlxsw_sp_inetaddr_nb); |
56ade8fe JP |
4793 | unregister_netdevice_notifier(&mlxsw_sp_netdevice_nb); |
4794 | return err; | |
4795 | } | |
4796 | ||
4797 | static void __exit mlxsw_sp_module_exit(void) | |
4798 | { | |
1d20d23c | 4799 | mlxsw_pci_driver_unregister(&mlxsw_sp_pci_driver); |
56ade8fe | 4800 | mlxsw_core_driver_unregister(&mlxsw_sp_driver); |
e7322638 | 4801 | unregister_netevent_notifier(&mlxsw_sp_router_netevent_nb); |
99724c18 | 4802 | unregister_inetaddr_notifier(&mlxsw_sp_inetaddr_nb); |
56ade8fe JP |
4803 | unregister_netdevice_notifier(&mlxsw_sp_netdevice_nb); |
4804 | } | |
4805 | ||
4806 | module_init(mlxsw_sp_module_init); | |
4807 | module_exit(mlxsw_sp_module_exit); | |
4808 | ||
4809 | MODULE_LICENSE("Dual BSD/GPL"); | |
4810 | MODULE_AUTHOR("Jiri Pirko <jiri@mellanox.com>"); | |
4811 | MODULE_DESCRIPTION("Mellanox Spectrum driver"); | |
1d20d23c | 4812 | MODULE_DEVICE_TABLE(pci, mlxsw_sp_pci_id_table); |