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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> | |
40 | #include <linux/netdevice.h> | |
41 | #include <linux/etherdevice.h> | |
42 | #include <linux/ethtool.h> | |
43 | #include <linux/slab.h> | |
44 | #include <linux/device.h> | |
45 | #include <linux/skbuff.h> | |
46 | #include <linux/if_vlan.h> | |
47 | #include <linux/if_bridge.h> | |
48 | #include <linux/workqueue.h> | |
49 | #include <linux/jiffies.h> | |
50 | #include <linux/bitops.h> | |
7f71eb46 | 51 | #include <linux/list.h> |
c4745500 | 52 | #include <net/devlink.h> |
56ade8fe JP |
53 | #include <net/switchdev.h> |
54 | #include <generated/utsrelease.h> | |
55 | ||
56 | #include "spectrum.h" | |
57 | #include "core.h" | |
58 | #include "reg.h" | |
59 | #include "port.h" | |
60 | #include "trap.h" | |
61 | #include "txheader.h" | |
62 | ||
63 | static const char mlxsw_sp_driver_name[] = "mlxsw_spectrum"; | |
64 | static const char mlxsw_sp_driver_version[] = "1.0"; | |
65 | ||
66 | /* tx_hdr_version | |
67 | * Tx header version. | |
68 | * Must be set to 1. | |
69 | */ | |
70 | MLXSW_ITEM32(tx, hdr, version, 0x00, 28, 4); | |
71 | ||
72 | /* tx_hdr_ctl | |
73 | * Packet control type. | |
74 | * 0 - Ethernet control (e.g. EMADs, LACP) | |
75 | * 1 - Ethernet data | |
76 | */ | |
77 | MLXSW_ITEM32(tx, hdr, ctl, 0x00, 26, 2); | |
78 | ||
79 | /* tx_hdr_proto | |
80 | * Packet protocol type. Must be set to 1 (Ethernet). | |
81 | */ | |
82 | MLXSW_ITEM32(tx, hdr, proto, 0x00, 21, 3); | |
83 | ||
84 | /* tx_hdr_rx_is_router | |
85 | * Packet is sent from the router. Valid for data packets only. | |
86 | */ | |
87 | MLXSW_ITEM32(tx, hdr, rx_is_router, 0x00, 19, 1); | |
88 | ||
89 | /* tx_hdr_fid_valid | |
90 | * Indicates if the 'fid' field is valid and should be used for | |
91 | * forwarding lookup. Valid for data packets only. | |
92 | */ | |
93 | MLXSW_ITEM32(tx, hdr, fid_valid, 0x00, 16, 1); | |
94 | ||
95 | /* tx_hdr_swid | |
96 | * Switch partition ID. Must be set to 0. | |
97 | */ | |
98 | MLXSW_ITEM32(tx, hdr, swid, 0x00, 12, 3); | |
99 | ||
100 | /* tx_hdr_control_tclass | |
101 | * Indicates if the packet should use the control TClass and not one | |
102 | * of the data TClasses. | |
103 | */ | |
104 | MLXSW_ITEM32(tx, hdr, control_tclass, 0x00, 6, 1); | |
105 | ||
106 | /* tx_hdr_etclass | |
107 | * Egress TClass to be used on the egress device on the egress port. | |
108 | */ | |
109 | MLXSW_ITEM32(tx, hdr, etclass, 0x00, 0, 4); | |
110 | ||
111 | /* tx_hdr_port_mid | |
112 | * Destination local port for unicast packets. | |
113 | * Destination multicast ID for multicast packets. | |
114 | * | |
115 | * Control packets are directed to a specific egress port, while data | |
116 | * packets are transmitted through the CPU port (0) into the switch partition, | |
117 | * where forwarding rules are applied. | |
118 | */ | |
119 | MLXSW_ITEM32(tx, hdr, port_mid, 0x04, 16, 16); | |
120 | ||
121 | /* tx_hdr_fid | |
122 | * Forwarding ID used for L2 forwarding lookup. Valid only if 'fid_valid' is | |
123 | * set, otherwise calculated based on the packet's VID using VID to FID mapping. | |
124 | * Valid for data packets only. | |
125 | */ | |
126 | MLXSW_ITEM32(tx, hdr, fid, 0x08, 0, 16); | |
127 | ||
128 | /* tx_hdr_type | |
129 | * 0 - Data packets | |
130 | * 6 - Control packets | |
131 | */ | |
132 | MLXSW_ITEM32(tx, hdr, type, 0x0C, 0, 4); | |
133 | ||
134 | static void mlxsw_sp_txhdr_construct(struct sk_buff *skb, | |
135 | const struct mlxsw_tx_info *tx_info) | |
136 | { | |
137 | char *txhdr = skb_push(skb, MLXSW_TXHDR_LEN); | |
138 | ||
139 | memset(txhdr, 0, MLXSW_TXHDR_LEN); | |
140 | ||
141 | mlxsw_tx_hdr_version_set(txhdr, MLXSW_TXHDR_VERSION_1); | |
142 | mlxsw_tx_hdr_ctl_set(txhdr, MLXSW_TXHDR_ETH_CTL); | |
143 | mlxsw_tx_hdr_proto_set(txhdr, MLXSW_TXHDR_PROTO_ETH); | |
144 | mlxsw_tx_hdr_swid_set(txhdr, 0); | |
145 | mlxsw_tx_hdr_control_tclass_set(txhdr, 1); | |
146 | mlxsw_tx_hdr_port_mid_set(txhdr, tx_info->local_port); | |
147 | mlxsw_tx_hdr_type_set(txhdr, MLXSW_TXHDR_TYPE_CONTROL); | |
148 | } | |
149 | ||
150 | static int mlxsw_sp_base_mac_get(struct mlxsw_sp *mlxsw_sp) | |
151 | { | |
152 | char spad_pl[MLXSW_REG_SPAD_LEN]; | |
153 | int err; | |
154 | ||
155 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(spad), spad_pl); | |
156 | if (err) | |
157 | return err; | |
158 | mlxsw_reg_spad_base_mac_memcpy_from(spad_pl, mlxsw_sp->base_mac); | |
159 | return 0; | |
160 | } | |
161 | ||
162 | static int mlxsw_sp_port_admin_status_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
163 | bool is_up) | |
164 | { | |
165 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
166 | char paos_pl[MLXSW_REG_PAOS_LEN]; | |
167 | ||
168 | mlxsw_reg_paos_pack(paos_pl, mlxsw_sp_port->local_port, | |
169 | is_up ? MLXSW_PORT_ADMIN_STATUS_UP : | |
170 | MLXSW_PORT_ADMIN_STATUS_DOWN); | |
171 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(paos), paos_pl); | |
172 | } | |
173 | ||
174 | static int mlxsw_sp_port_oper_status_get(struct mlxsw_sp_port *mlxsw_sp_port, | |
175 | bool *p_is_up) | |
176 | { | |
177 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
178 | char paos_pl[MLXSW_REG_PAOS_LEN]; | |
179 | u8 oper_status; | |
180 | int err; | |
181 | ||
182 | mlxsw_reg_paos_pack(paos_pl, mlxsw_sp_port->local_port, 0); | |
183 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(paos), paos_pl); | |
184 | if (err) | |
185 | return err; | |
186 | oper_status = mlxsw_reg_paos_oper_status_get(paos_pl); | |
187 | *p_is_up = oper_status == MLXSW_PORT_ADMIN_STATUS_UP ? true : false; | |
188 | return 0; | |
189 | } | |
190 | ||
56ade8fe JP |
191 | static int mlxsw_sp_port_dev_addr_set(struct mlxsw_sp_port *mlxsw_sp_port, |
192 | unsigned char *addr) | |
193 | { | |
194 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
195 | char ppad_pl[MLXSW_REG_PPAD_LEN]; | |
196 | ||
197 | mlxsw_reg_ppad_pack(ppad_pl, true, mlxsw_sp_port->local_port); | |
198 | mlxsw_reg_ppad_mac_memcpy_to(ppad_pl, addr); | |
199 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ppad), ppad_pl); | |
200 | } | |
201 | ||
202 | static int mlxsw_sp_port_dev_addr_init(struct mlxsw_sp_port *mlxsw_sp_port) | |
203 | { | |
204 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
205 | unsigned char *addr = mlxsw_sp_port->dev->dev_addr; | |
206 | ||
207 | ether_addr_copy(addr, mlxsw_sp->base_mac); | |
208 | addr[ETH_ALEN - 1] += mlxsw_sp_port->local_port; | |
209 | return mlxsw_sp_port_dev_addr_set(mlxsw_sp_port, addr); | |
210 | } | |
211 | ||
212 | static int mlxsw_sp_port_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
213 | u16 vid, enum mlxsw_reg_spms_state state) | |
214 | { | |
215 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
216 | char *spms_pl; | |
217 | int err; | |
218 | ||
219 | spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL); | |
220 | if (!spms_pl) | |
221 | return -ENOMEM; | |
222 | mlxsw_reg_spms_pack(spms_pl, mlxsw_sp_port->local_port); | |
223 | mlxsw_reg_spms_vid_pack(spms_pl, vid, state); | |
224 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spms), spms_pl); | |
225 | kfree(spms_pl); | |
226 | return err; | |
227 | } | |
228 | ||
229 | static int mlxsw_sp_port_mtu_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 mtu) | |
230 | { | |
231 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
232 | char pmtu_pl[MLXSW_REG_PMTU_LEN]; | |
233 | int max_mtu; | |
234 | int err; | |
235 | ||
236 | mtu += MLXSW_TXHDR_LEN + ETH_HLEN; | |
237 | mlxsw_reg_pmtu_pack(pmtu_pl, mlxsw_sp_port->local_port, 0); | |
238 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pmtu), pmtu_pl); | |
239 | if (err) | |
240 | return err; | |
241 | max_mtu = mlxsw_reg_pmtu_max_mtu_get(pmtu_pl); | |
242 | ||
243 | if (mtu > max_mtu) | |
244 | return -EINVAL; | |
245 | ||
246 | mlxsw_reg_pmtu_pack(pmtu_pl, mlxsw_sp_port->local_port, mtu); | |
247 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmtu), pmtu_pl); | |
248 | } | |
249 | ||
250 | static int mlxsw_sp_port_swid_set(struct mlxsw_sp_port *mlxsw_sp_port, u8 swid) | |
251 | { | |
252 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
253 | char pspa_pl[MLXSW_REG_PSPA_LEN]; | |
254 | ||
255 | mlxsw_reg_pspa_pack(pspa_pl, swid, mlxsw_sp_port->local_port); | |
256 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pspa), pspa_pl); | |
257 | } | |
258 | ||
259 | static int mlxsw_sp_port_vp_mode_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
260 | bool enable) | |
261 | { | |
262 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
263 | char svpe_pl[MLXSW_REG_SVPE_LEN]; | |
264 | ||
265 | mlxsw_reg_svpe_pack(svpe_pl, mlxsw_sp_port->local_port, enable); | |
266 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(svpe), svpe_pl); | |
267 | } | |
268 | ||
269 | int mlxsw_sp_port_vid_to_fid_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
270 | enum mlxsw_reg_svfa_mt mt, bool valid, u16 fid, | |
271 | u16 vid) | |
272 | { | |
273 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
274 | char svfa_pl[MLXSW_REG_SVFA_LEN]; | |
275 | ||
276 | mlxsw_reg_svfa_pack(svfa_pl, mlxsw_sp_port->local_port, mt, valid, | |
277 | fid, vid); | |
278 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(svfa), svfa_pl); | |
279 | } | |
280 | ||
281 | static int mlxsw_sp_port_vid_learning_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
282 | u16 vid, bool learn_enable) | |
283 | { | |
284 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
285 | char *spvmlr_pl; | |
286 | int err; | |
287 | ||
288 | spvmlr_pl = kmalloc(MLXSW_REG_SPVMLR_LEN, GFP_KERNEL); | |
289 | if (!spvmlr_pl) | |
290 | return -ENOMEM; | |
291 | mlxsw_reg_spvmlr_pack(spvmlr_pl, mlxsw_sp_port->local_port, vid, vid, | |
292 | learn_enable); | |
293 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvmlr), spvmlr_pl); | |
294 | kfree(spvmlr_pl); | |
295 | return err; | |
296 | } | |
297 | ||
298 | static int | |
299 | mlxsw_sp_port_system_port_mapping_set(struct mlxsw_sp_port *mlxsw_sp_port) | |
300 | { | |
301 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
302 | char sspr_pl[MLXSW_REG_SSPR_LEN]; | |
303 | ||
304 | mlxsw_reg_sspr_pack(sspr_pl, mlxsw_sp_port->local_port); | |
305 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sspr), sspr_pl); | |
306 | } | |
307 | ||
558c2d5e IS |
308 | static int mlxsw_sp_port_module_info_get(struct mlxsw_sp *mlxsw_sp, |
309 | u8 local_port, u8 *p_module, | |
310 | u8 *p_width) | |
56ade8fe | 311 | { |
56ade8fe JP |
312 | char pmlp_pl[MLXSW_REG_PMLP_LEN]; |
313 | int err; | |
314 | ||
558c2d5e | 315 | mlxsw_reg_pmlp_pack(pmlp_pl, local_port); |
56ade8fe JP |
316 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl); |
317 | if (err) | |
318 | return err; | |
558c2d5e IS |
319 | *p_module = mlxsw_reg_pmlp_module_get(pmlp_pl, 0); |
320 | *p_width = mlxsw_reg_pmlp_width_get(pmlp_pl); | |
56ade8fe JP |
321 | return 0; |
322 | } | |
323 | ||
18f1e70c IS |
324 | static int mlxsw_sp_port_module_map(struct mlxsw_sp *mlxsw_sp, u8 local_port, |
325 | u8 module, u8 width, u8 lane) | |
326 | { | |
327 | char pmlp_pl[MLXSW_REG_PMLP_LEN]; | |
328 | int i; | |
329 | ||
330 | mlxsw_reg_pmlp_pack(pmlp_pl, local_port); | |
331 | mlxsw_reg_pmlp_width_set(pmlp_pl, width); | |
332 | for (i = 0; i < width; i++) { | |
333 | mlxsw_reg_pmlp_module_set(pmlp_pl, i, module); | |
334 | mlxsw_reg_pmlp_tx_lane_set(pmlp_pl, i, lane + i); /* Rx & Tx */ | |
335 | } | |
336 | ||
337 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl); | |
338 | } | |
339 | ||
3e9b27b8 IS |
340 | static int mlxsw_sp_port_module_unmap(struct mlxsw_sp *mlxsw_sp, u8 local_port) |
341 | { | |
342 | char pmlp_pl[MLXSW_REG_PMLP_LEN]; | |
343 | ||
344 | mlxsw_reg_pmlp_pack(pmlp_pl, local_port); | |
345 | mlxsw_reg_pmlp_width_set(pmlp_pl, 0); | |
346 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl); | |
347 | } | |
348 | ||
56ade8fe JP |
349 | static int mlxsw_sp_port_open(struct net_device *dev) |
350 | { | |
351 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
352 | int err; | |
353 | ||
354 | err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true); | |
355 | if (err) | |
356 | return err; | |
357 | netif_start_queue(dev); | |
358 | return 0; | |
359 | } | |
360 | ||
361 | static int mlxsw_sp_port_stop(struct net_device *dev) | |
362 | { | |
363 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
364 | ||
365 | netif_stop_queue(dev); | |
366 | return mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); | |
367 | } | |
368 | ||
369 | static netdev_tx_t mlxsw_sp_port_xmit(struct sk_buff *skb, | |
370 | struct net_device *dev) | |
371 | { | |
372 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
373 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
374 | struct mlxsw_sp_port_pcpu_stats *pcpu_stats; | |
375 | const struct mlxsw_tx_info tx_info = { | |
376 | .local_port = mlxsw_sp_port->local_port, | |
377 | .is_emad = false, | |
378 | }; | |
379 | u64 len; | |
380 | int err; | |
381 | ||
382 | if (mlxsw_core_skb_transmit_busy(mlxsw_sp, &tx_info)) | |
383 | return NETDEV_TX_BUSY; | |
384 | ||
385 | if (unlikely(skb_headroom(skb) < MLXSW_TXHDR_LEN)) { | |
386 | struct sk_buff *skb_orig = skb; | |
387 | ||
388 | skb = skb_realloc_headroom(skb, MLXSW_TXHDR_LEN); | |
389 | if (!skb) { | |
390 | this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); | |
391 | dev_kfree_skb_any(skb_orig); | |
392 | return NETDEV_TX_OK; | |
393 | } | |
394 | } | |
395 | ||
396 | if (eth_skb_pad(skb)) { | |
397 | this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); | |
398 | return NETDEV_TX_OK; | |
399 | } | |
400 | ||
401 | mlxsw_sp_txhdr_construct(skb, &tx_info); | |
402 | len = skb->len; | |
403 | /* Due to a race we might fail here because of a full queue. In that | |
404 | * unlikely case we simply drop the packet. | |
405 | */ | |
406 | err = mlxsw_core_skb_transmit(mlxsw_sp, skb, &tx_info); | |
407 | ||
408 | if (!err) { | |
409 | pcpu_stats = this_cpu_ptr(mlxsw_sp_port->pcpu_stats); | |
410 | u64_stats_update_begin(&pcpu_stats->syncp); | |
411 | pcpu_stats->tx_packets++; | |
412 | pcpu_stats->tx_bytes += len; | |
413 | u64_stats_update_end(&pcpu_stats->syncp); | |
414 | } else { | |
415 | this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); | |
416 | dev_kfree_skb_any(skb); | |
417 | } | |
418 | return NETDEV_TX_OK; | |
419 | } | |
420 | ||
c5b9b518 JP |
421 | static void mlxsw_sp_set_rx_mode(struct net_device *dev) |
422 | { | |
423 | } | |
424 | ||
56ade8fe JP |
425 | static int mlxsw_sp_port_set_mac_address(struct net_device *dev, void *p) |
426 | { | |
427 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
428 | struct sockaddr *addr = p; | |
429 | int err; | |
430 | ||
431 | if (!is_valid_ether_addr(addr->sa_data)) | |
432 | return -EADDRNOTAVAIL; | |
433 | ||
434 | err = mlxsw_sp_port_dev_addr_set(mlxsw_sp_port, addr->sa_data); | |
435 | if (err) | |
436 | return err; | |
437 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); | |
438 | return 0; | |
439 | } | |
440 | ||
441 | static int mlxsw_sp_port_change_mtu(struct net_device *dev, int mtu) | |
442 | { | |
443 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
444 | int err; | |
445 | ||
446 | err = mlxsw_sp_port_mtu_set(mlxsw_sp_port, mtu); | |
447 | if (err) | |
448 | return err; | |
449 | dev->mtu = mtu; | |
450 | return 0; | |
451 | } | |
452 | ||
453 | static struct rtnl_link_stats64 * | |
454 | mlxsw_sp_port_get_stats64(struct net_device *dev, | |
455 | struct rtnl_link_stats64 *stats) | |
456 | { | |
457 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
458 | struct mlxsw_sp_port_pcpu_stats *p; | |
459 | u64 rx_packets, rx_bytes, tx_packets, tx_bytes; | |
460 | u32 tx_dropped = 0; | |
461 | unsigned int start; | |
462 | int i; | |
463 | ||
464 | for_each_possible_cpu(i) { | |
465 | p = per_cpu_ptr(mlxsw_sp_port->pcpu_stats, i); | |
466 | do { | |
467 | start = u64_stats_fetch_begin_irq(&p->syncp); | |
468 | rx_packets = p->rx_packets; | |
469 | rx_bytes = p->rx_bytes; | |
470 | tx_packets = p->tx_packets; | |
471 | tx_bytes = p->tx_bytes; | |
472 | } while (u64_stats_fetch_retry_irq(&p->syncp, start)); | |
473 | ||
474 | stats->rx_packets += rx_packets; | |
475 | stats->rx_bytes += rx_bytes; | |
476 | stats->tx_packets += tx_packets; | |
477 | stats->tx_bytes += tx_bytes; | |
478 | /* tx_dropped is u32, updated without syncp protection. */ | |
479 | tx_dropped += p->tx_dropped; | |
480 | } | |
481 | stats->tx_dropped = tx_dropped; | |
482 | return stats; | |
483 | } | |
484 | ||
485 | int mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin, | |
486 | u16 vid_end, bool is_member, bool untagged) | |
487 | { | |
488 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
489 | char *spvm_pl; | |
490 | int err; | |
491 | ||
492 | spvm_pl = kmalloc(MLXSW_REG_SPVM_LEN, GFP_KERNEL); | |
493 | if (!spvm_pl) | |
494 | return -ENOMEM; | |
495 | ||
496 | mlxsw_reg_spvm_pack(spvm_pl, mlxsw_sp_port->local_port, vid_begin, | |
497 | vid_end, is_member, untagged); | |
498 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvm), spvm_pl); | |
499 | kfree(spvm_pl); | |
500 | return err; | |
501 | } | |
502 | ||
503 | static int mlxsw_sp_port_vp_mode_trans(struct mlxsw_sp_port *mlxsw_sp_port) | |
504 | { | |
505 | enum mlxsw_reg_svfa_mt mt = MLXSW_REG_SVFA_MT_PORT_VID_TO_FID; | |
506 | u16 vid, last_visited_vid; | |
507 | int err; | |
508 | ||
509 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) { | |
510 | err = mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, true, vid, | |
511 | vid); | |
512 | if (err) { | |
513 | last_visited_vid = vid; | |
514 | goto err_port_vid_to_fid_set; | |
515 | } | |
516 | } | |
517 | ||
518 | err = mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, true); | |
519 | if (err) { | |
520 | last_visited_vid = VLAN_N_VID; | |
521 | goto err_port_vid_to_fid_set; | |
522 | } | |
523 | ||
524 | return 0; | |
525 | ||
526 | err_port_vid_to_fid_set: | |
527 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, last_visited_vid) | |
528 | mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, false, vid, | |
529 | vid); | |
530 | return err; | |
531 | } | |
532 | ||
533 | static int mlxsw_sp_port_vlan_mode_trans(struct mlxsw_sp_port *mlxsw_sp_port) | |
534 | { | |
535 | enum mlxsw_reg_svfa_mt mt = MLXSW_REG_SVFA_MT_PORT_VID_TO_FID; | |
536 | u16 vid; | |
537 | int err; | |
538 | ||
539 | err = mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false); | |
540 | if (err) | |
541 | return err; | |
542 | ||
543 | for_each_set_bit(vid, mlxsw_sp_port->active_vlans, VLAN_N_VID) { | |
544 | err = mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_port, mt, false, | |
545 | vid, vid); | |
546 | if (err) | |
547 | return err; | |
548 | } | |
549 | ||
550 | return 0; | |
551 | } | |
552 | ||
7f71eb46 IS |
553 | static struct mlxsw_sp_vfid * |
554 | mlxsw_sp_vfid_find(const struct mlxsw_sp *mlxsw_sp, u16 vid) | |
555 | { | |
556 | struct mlxsw_sp_vfid *vfid; | |
557 | ||
558 | list_for_each_entry(vfid, &mlxsw_sp->port_vfids.list, list) { | |
559 | if (vfid->vid == vid) | |
560 | return vfid; | |
561 | } | |
562 | ||
563 | return NULL; | |
564 | } | |
565 | ||
566 | static u16 mlxsw_sp_avail_vfid_get(const struct mlxsw_sp *mlxsw_sp) | |
567 | { | |
568 | return find_first_zero_bit(mlxsw_sp->port_vfids.mapped, | |
569 | MLXSW_SP_VFID_PORT_MAX); | |
570 | } | |
571 | ||
572 | static int __mlxsw_sp_vfid_create(struct mlxsw_sp *mlxsw_sp, u16 vfid) | |
573 | { | |
574 | u16 fid = mlxsw_sp_vfid_to_fid(vfid); | |
575 | char sfmr_pl[MLXSW_REG_SFMR_LEN]; | |
576 | ||
577 | mlxsw_reg_sfmr_pack(sfmr_pl, MLXSW_REG_SFMR_OP_CREATE_FID, fid, 0); | |
578 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfmr), sfmr_pl); | |
579 | } | |
580 | ||
581 | static void __mlxsw_sp_vfid_destroy(struct mlxsw_sp *mlxsw_sp, u16 vfid) | |
582 | { | |
583 | u16 fid = mlxsw_sp_vfid_to_fid(vfid); | |
584 | char sfmr_pl[MLXSW_REG_SFMR_LEN]; | |
585 | ||
586 | mlxsw_reg_sfmr_pack(sfmr_pl, MLXSW_REG_SFMR_OP_DESTROY_FID, fid, 0); | |
587 | mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfmr), sfmr_pl); | |
588 | } | |
589 | ||
590 | static struct mlxsw_sp_vfid *mlxsw_sp_vfid_create(struct mlxsw_sp *mlxsw_sp, | |
591 | u16 vid) | |
592 | { | |
593 | struct device *dev = mlxsw_sp->bus_info->dev; | |
594 | struct mlxsw_sp_vfid *vfid; | |
595 | u16 n_vfid; | |
596 | int err; | |
597 | ||
598 | n_vfid = mlxsw_sp_avail_vfid_get(mlxsw_sp); | |
599 | if (n_vfid == MLXSW_SP_VFID_PORT_MAX) { | |
600 | dev_err(dev, "No available vFIDs\n"); | |
601 | return ERR_PTR(-ERANGE); | |
602 | } | |
603 | ||
604 | err = __mlxsw_sp_vfid_create(mlxsw_sp, n_vfid); | |
605 | if (err) { | |
606 | dev_err(dev, "Failed to create vFID=%d\n", n_vfid); | |
607 | return ERR_PTR(err); | |
608 | } | |
609 | ||
610 | vfid = kzalloc(sizeof(*vfid), GFP_KERNEL); | |
611 | if (!vfid) | |
612 | goto err_allocate_vfid; | |
613 | ||
614 | vfid->vfid = n_vfid; | |
615 | vfid->vid = vid; | |
616 | ||
617 | list_add(&vfid->list, &mlxsw_sp->port_vfids.list); | |
618 | set_bit(n_vfid, mlxsw_sp->port_vfids.mapped); | |
619 | ||
620 | return vfid; | |
621 | ||
622 | err_allocate_vfid: | |
623 | __mlxsw_sp_vfid_destroy(mlxsw_sp, n_vfid); | |
624 | return ERR_PTR(-ENOMEM); | |
625 | } | |
626 | ||
627 | static void mlxsw_sp_vfid_destroy(struct mlxsw_sp *mlxsw_sp, | |
628 | struct mlxsw_sp_vfid *vfid) | |
629 | { | |
630 | clear_bit(vfid->vfid, mlxsw_sp->port_vfids.mapped); | |
631 | list_del(&vfid->list); | |
632 | ||
633 | __mlxsw_sp_vfid_destroy(mlxsw_sp, vfid->vfid); | |
634 | ||
635 | kfree(vfid); | |
636 | } | |
637 | ||
638 | static struct mlxsw_sp_port * | |
639 | mlxsw_sp_port_vport_create(struct mlxsw_sp_port *mlxsw_sp_port, | |
640 | struct mlxsw_sp_vfid *vfid) | |
641 | { | |
642 | struct mlxsw_sp_port *mlxsw_sp_vport; | |
643 | ||
644 | mlxsw_sp_vport = kzalloc(sizeof(*mlxsw_sp_vport), GFP_KERNEL); | |
645 | if (!mlxsw_sp_vport) | |
646 | return NULL; | |
647 | ||
648 | /* dev will be set correctly after the VLAN device is linked | |
649 | * with the real device. In case of bridge SELF invocation, dev | |
650 | * will remain as is. | |
651 | */ | |
652 | mlxsw_sp_vport->dev = mlxsw_sp_port->dev; | |
653 | mlxsw_sp_vport->mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
654 | mlxsw_sp_vport->local_port = mlxsw_sp_port->local_port; | |
655 | mlxsw_sp_vport->stp_state = BR_STATE_FORWARDING; | |
272c4470 IS |
656 | mlxsw_sp_vport->lagged = mlxsw_sp_port->lagged; |
657 | mlxsw_sp_vport->lag_id = mlxsw_sp_port->lag_id; | |
7f71eb46 IS |
658 | mlxsw_sp_vport->vport.vfid = vfid; |
659 | mlxsw_sp_vport->vport.vid = vfid->vid; | |
660 | ||
661 | list_add(&mlxsw_sp_vport->vport.list, &mlxsw_sp_port->vports_list); | |
662 | ||
663 | return mlxsw_sp_vport; | |
664 | } | |
665 | ||
666 | static void mlxsw_sp_port_vport_destroy(struct mlxsw_sp_port *mlxsw_sp_vport) | |
667 | { | |
668 | list_del(&mlxsw_sp_vport->vport.list); | |
669 | kfree(mlxsw_sp_vport); | |
670 | } | |
671 | ||
56ade8fe JP |
672 | int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto, |
673 | u16 vid) | |
674 | { | |
675 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
676 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
7f71eb46 IS |
677 | struct mlxsw_sp_port *mlxsw_sp_vport; |
678 | struct mlxsw_sp_vfid *vfid; | |
56ade8fe JP |
679 | int err; |
680 | ||
681 | /* VLAN 0 is added to HW filter when device goes up, but it is | |
682 | * reserved in our case, so simply return. | |
683 | */ | |
684 | if (!vid) | |
685 | return 0; | |
686 | ||
7f71eb46 | 687 | if (mlxsw_sp_port_vport_find(mlxsw_sp_port, vid)) { |
56ade8fe JP |
688 | netdev_warn(dev, "VID=%d already configured\n", vid); |
689 | return 0; | |
690 | } | |
691 | ||
7f71eb46 IS |
692 | vfid = mlxsw_sp_vfid_find(mlxsw_sp, vid); |
693 | if (!vfid) { | |
694 | vfid = mlxsw_sp_vfid_create(mlxsw_sp, vid); | |
695 | if (IS_ERR(vfid)) { | |
696 | netdev_err(dev, "Failed to create vFID for VID=%d\n", | |
697 | vid); | |
698 | return PTR_ERR(vfid); | |
56ade8fe | 699 | } |
7f71eb46 | 700 | } |
56ade8fe | 701 | |
7f71eb46 IS |
702 | mlxsw_sp_vport = mlxsw_sp_port_vport_create(mlxsw_sp_port, vfid); |
703 | if (!mlxsw_sp_vport) { | |
704 | netdev_err(dev, "Failed to create vPort for VID=%d\n", vid); | |
705 | err = -ENOMEM; | |
706 | goto err_port_vport_create; | |
707 | } | |
708 | ||
709 | if (!vfid->nr_vports) { | |
710 | err = mlxsw_sp_vport_flood_set(mlxsw_sp_vport, vfid->vfid, | |
19ae6124 | 711 | true, false); |
56ade8fe | 712 | if (err) { |
7f71eb46 IS |
713 | netdev_err(dev, "Failed to setup flooding for vFID=%d\n", |
714 | vfid->vfid); | |
715 | goto err_vport_flood_set; | |
56ade8fe JP |
716 | } |
717 | } | |
718 | ||
56ade8fe JP |
719 | /* When adding the first VLAN interface on a bridged port we need to |
720 | * transition all the active 802.1Q bridge VLANs to use explicit | |
721 | * {Port, VID} to FID mappings and set the port's mode to Virtual mode. | |
722 | */ | |
7f71eb46 | 723 | if (list_is_singular(&mlxsw_sp_port->vports_list)) { |
56ade8fe JP |
724 | err = mlxsw_sp_port_vp_mode_trans(mlxsw_sp_port); |
725 | if (err) { | |
726 | netdev_err(dev, "Failed to set to Virtual mode\n"); | |
7f71eb46 | 727 | goto err_port_vp_mode_trans; |
56ade8fe JP |
728 | } |
729 | } | |
730 | ||
7f71eb46 | 731 | err = mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_vport, |
56ade8fe | 732 | MLXSW_REG_SVFA_MT_PORT_VID_TO_FID, |
7f71eb46 IS |
733 | true, |
734 | mlxsw_sp_vfid_to_fid(vfid->vfid), | |
735 | vid); | |
56ade8fe JP |
736 | if (err) { |
737 | netdev_err(dev, "Failed to map {Port, VID=%d} to vFID=%d\n", | |
7f71eb46 | 738 | vid, vfid->vfid); |
56ade8fe JP |
739 | goto err_port_vid_to_fid_set; |
740 | } | |
741 | ||
7f71eb46 | 742 | err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_vport, vid, false); |
56ade8fe JP |
743 | if (err) { |
744 | netdev_err(dev, "Failed to disable learning for VID=%d\n", vid); | |
745 | goto err_port_vid_learning_set; | |
746 | } | |
747 | ||
7f71eb46 | 748 | err = mlxsw_sp_port_vlan_set(mlxsw_sp_vport, vid, vid, true, false); |
56ade8fe JP |
749 | if (err) { |
750 | netdev_err(dev, "Failed to set VLAN membership for VID=%d\n", | |
751 | vid); | |
752 | goto err_port_add_vid; | |
753 | } | |
754 | ||
7f71eb46 | 755 | err = mlxsw_sp_port_stp_state_set(mlxsw_sp_vport, vid, |
56ade8fe JP |
756 | MLXSW_REG_SPMS_STATE_FORWARDING); |
757 | if (err) { | |
758 | netdev_err(dev, "Failed to set STP state for VID=%d\n", vid); | |
759 | goto err_port_stp_state_set; | |
760 | } | |
761 | ||
7f71eb46 | 762 | vfid->nr_vports++; |
56ade8fe JP |
763 | |
764 | return 0; | |
765 | ||
56ade8fe | 766 | err_port_stp_state_set: |
7f71eb46 | 767 | mlxsw_sp_port_vlan_set(mlxsw_sp_vport, vid, vid, false, false); |
56ade8fe | 768 | err_port_add_vid: |
7f71eb46 | 769 | mlxsw_sp_port_vid_learning_set(mlxsw_sp_vport, vid, true); |
56ade8fe | 770 | err_port_vid_learning_set: |
7f71eb46 | 771 | mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_vport, |
56ade8fe | 772 | MLXSW_REG_SVFA_MT_PORT_VID_TO_FID, false, |
7f71eb46 | 773 | mlxsw_sp_vfid_to_fid(vfid->vfid), vid); |
56ade8fe | 774 | err_port_vid_to_fid_set: |
7f71eb46 IS |
775 | if (list_is_singular(&mlxsw_sp_port->vports_list)) |
776 | mlxsw_sp_port_vlan_mode_trans(mlxsw_sp_port); | |
777 | err_port_vp_mode_trans: | |
778 | if (!vfid->nr_vports) | |
19ae6124 IS |
779 | mlxsw_sp_vport_flood_set(mlxsw_sp_vport, vfid->vfid, false, |
780 | false); | |
7f71eb46 IS |
781 | err_vport_flood_set: |
782 | mlxsw_sp_port_vport_destroy(mlxsw_sp_vport); | |
783 | err_port_vport_create: | |
784 | if (!vfid->nr_vports) | |
785 | mlxsw_sp_vfid_destroy(mlxsw_sp, vfid); | |
56ade8fe JP |
786 | return err; |
787 | } | |
788 | ||
789 | int mlxsw_sp_port_kill_vid(struct net_device *dev, | |
790 | __be16 __always_unused proto, u16 vid) | |
791 | { | |
792 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
7f71eb46 IS |
793 | struct mlxsw_sp_port *mlxsw_sp_vport; |
794 | struct mlxsw_sp_vfid *vfid; | |
56ade8fe JP |
795 | int err; |
796 | ||
797 | /* VLAN 0 is removed from HW filter when device goes down, but | |
798 | * it is reserved in our case, so simply return. | |
799 | */ | |
800 | if (!vid) | |
801 | return 0; | |
802 | ||
7f71eb46 IS |
803 | mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, vid); |
804 | if (!mlxsw_sp_vport) { | |
56ade8fe JP |
805 | netdev_warn(dev, "VID=%d does not exist\n", vid); |
806 | return 0; | |
807 | } | |
808 | ||
7f71eb46 IS |
809 | vfid = mlxsw_sp_vport->vport.vfid; |
810 | ||
811 | err = mlxsw_sp_port_stp_state_set(mlxsw_sp_vport, vid, | |
56ade8fe JP |
812 | MLXSW_REG_SPMS_STATE_DISCARDING); |
813 | if (err) { | |
814 | netdev_err(dev, "Failed to set STP state for VID=%d\n", vid); | |
815 | return err; | |
816 | } | |
817 | ||
7f71eb46 | 818 | err = mlxsw_sp_port_vlan_set(mlxsw_sp_vport, vid, vid, false, false); |
56ade8fe JP |
819 | if (err) { |
820 | netdev_err(dev, "Failed to set VLAN membership for VID=%d\n", | |
821 | vid); | |
822 | return err; | |
823 | } | |
824 | ||
7f71eb46 | 825 | err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_vport, vid, true); |
56ade8fe JP |
826 | if (err) { |
827 | netdev_err(dev, "Failed to enable learning for VID=%d\n", vid); | |
828 | return err; | |
829 | } | |
830 | ||
7f71eb46 | 831 | err = mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_vport, |
56ade8fe | 832 | MLXSW_REG_SVFA_MT_PORT_VID_TO_FID, |
7f71eb46 IS |
833 | false, |
834 | mlxsw_sp_vfid_to_fid(vfid->vfid), | |
56ade8fe JP |
835 | vid); |
836 | if (err) { | |
837 | netdev_err(dev, "Failed to invalidate {Port, VID=%d} to vFID=%d mapping\n", | |
7f71eb46 | 838 | vid, vfid->vfid); |
56ade8fe JP |
839 | return err; |
840 | } | |
841 | ||
842 | /* When removing the last VLAN interface on a bridged port we need to | |
843 | * transition all active 802.1Q bridge VLANs to use VID to FID | |
844 | * mappings and set port's mode to VLAN mode. | |
845 | */ | |
7f71eb46 | 846 | if (list_is_singular(&mlxsw_sp_port->vports_list)) { |
56ade8fe JP |
847 | err = mlxsw_sp_port_vlan_mode_trans(mlxsw_sp_port); |
848 | if (err) { | |
849 | netdev_err(dev, "Failed to set to VLAN mode\n"); | |
850 | return err; | |
851 | } | |
852 | } | |
853 | ||
7f71eb46 IS |
854 | vfid->nr_vports--; |
855 | mlxsw_sp_port_vport_destroy(mlxsw_sp_vport); | |
856 | ||
857 | /* Destroy the vFID if no vPorts are assigned to it anymore. */ | |
858 | if (!vfid->nr_vports) | |
859 | mlxsw_sp_vfid_destroy(mlxsw_sp_port->mlxsw_sp, vfid); | |
56ade8fe JP |
860 | |
861 | return 0; | |
862 | } | |
863 | ||
864 | static const struct net_device_ops mlxsw_sp_port_netdev_ops = { | |
865 | .ndo_open = mlxsw_sp_port_open, | |
866 | .ndo_stop = mlxsw_sp_port_stop, | |
867 | .ndo_start_xmit = mlxsw_sp_port_xmit, | |
c5b9b518 | 868 | .ndo_set_rx_mode = mlxsw_sp_set_rx_mode, |
56ade8fe JP |
869 | .ndo_set_mac_address = mlxsw_sp_port_set_mac_address, |
870 | .ndo_change_mtu = mlxsw_sp_port_change_mtu, | |
871 | .ndo_get_stats64 = mlxsw_sp_port_get_stats64, | |
872 | .ndo_vlan_rx_add_vid = mlxsw_sp_port_add_vid, | |
873 | .ndo_vlan_rx_kill_vid = mlxsw_sp_port_kill_vid, | |
874 | .ndo_fdb_add = switchdev_port_fdb_add, | |
875 | .ndo_fdb_del = switchdev_port_fdb_del, | |
876 | .ndo_fdb_dump = switchdev_port_fdb_dump, | |
877 | .ndo_bridge_setlink = switchdev_port_bridge_setlink, | |
878 | .ndo_bridge_getlink = switchdev_port_bridge_getlink, | |
879 | .ndo_bridge_dellink = switchdev_port_bridge_dellink, | |
880 | }; | |
881 | ||
882 | static void mlxsw_sp_port_get_drvinfo(struct net_device *dev, | |
883 | struct ethtool_drvinfo *drvinfo) | |
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 | strlcpy(drvinfo->driver, mlxsw_sp_driver_name, sizeof(drvinfo->driver)); | |
889 | strlcpy(drvinfo->version, mlxsw_sp_driver_version, | |
890 | sizeof(drvinfo->version)); | |
891 | snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), | |
892 | "%d.%d.%d", | |
893 | mlxsw_sp->bus_info->fw_rev.major, | |
894 | mlxsw_sp->bus_info->fw_rev.minor, | |
895 | mlxsw_sp->bus_info->fw_rev.subminor); | |
896 | strlcpy(drvinfo->bus_info, mlxsw_sp->bus_info->device_name, | |
897 | sizeof(drvinfo->bus_info)); | |
898 | } | |
899 | ||
900 | struct mlxsw_sp_port_hw_stats { | |
901 | char str[ETH_GSTRING_LEN]; | |
902 | u64 (*getter)(char *payload); | |
903 | }; | |
904 | ||
905 | static const struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_stats[] = { | |
906 | { | |
907 | .str = "a_frames_transmitted_ok", | |
908 | .getter = mlxsw_reg_ppcnt_a_frames_transmitted_ok_get, | |
909 | }, | |
910 | { | |
911 | .str = "a_frames_received_ok", | |
912 | .getter = mlxsw_reg_ppcnt_a_frames_received_ok_get, | |
913 | }, | |
914 | { | |
915 | .str = "a_frame_check_sequence_errors", | |
916 | .getter = mlxsw_reg_ppcnt_a_frame_check_sequence_errors_get, | |
917 | }, | |
918 | { | |
919 | .str = "a_alignment_errors", | |
920 | .getter = mlxsw_reg_ppcnt_a_alignment_errors_get, | |
921 | }, | |
922 | { | |
923 | .str = "a_octets_transmitted_ok", | |
924 | .getter = mlxsw_reg_ppcnt_a_octets_transmitted_ok_get, | |
925 | }, | |
926 | { | |
927 | .str = "a_octets_received_ok", | |
928 | .getter = mlxsw_reg_ppcnt_a_octets_received_ok_get, | |
929 | }, | |
930 | { | |
931 | .str = "a_multicast_frames_xmitted_ok", | |
932 | .getter = mlxsw_reg_ppcnt_a_multicast_frames_xmitted_ok_get, | |
933 | }, | |
934 | { | |
935 | .str = "a_broadcast_frames_xmitted_ok", | |
936 | .getter = mlxsw_reg_ppcnt_a_broadcast_frames_xmitted_ok_get, | |
937 | }, | |
938 | { | |
939 | .str = "a_multicast_frames_received_ok", | |
940 | .getter = mlxsw_reg_ppcnt_a_multicast_frames_received_ok_get, | |
941 | }, | |
942 | { | |
943 | .str = "a_broadcast_frames_received_ok", | |
944 | .getter = mlxsw_reg_ppcnt_a_broadcast_frames_received_ok_get, | |
945 | }, | |
946 | { | |
947 | .str = "a_in_range_length_errors", | |
948 | .getter = mlxsw_reg_ppcnt_a_in_range_length_errors_get, | |
949 | }, | |
950 | { | |
951 | .str = "a_out_of_range_length_field", | |
952 | .getter = mlxsw_reg_ppcnt_a_out_of_range_length_field_get, | |
953 | }, | |
954 | { | |
955 | .str = "a_frame_too_long_errors", | |
956 | .getter = mlxsw_reg_ppcnt_a_frame_too_long_errors_get, | |
957 | }, | |
958 | { | |
959 | .str = "a_symbol_error_during_carrier", | |
960 | .getter = mlxsw_reg_ppcnt_a_symbol_error_during_carrier_get, | |
961 | }, | |
962 | { | |
963 | .str = "a_mac_control_frames_transmitted", | |
964 | .getter = mlxsw_reg_ppcnt_a_mac_control_frames_transmitted_get, | |
965 | }, | |
966 | { | |
967 | .str = "a_mac_control_frames_received", | |
968 | .getter = mlxsw_reg_ppcnt_a_mac_control_frames_received_get, | |
969 | }, | |
970 | { | |
971 | .str = "a_unsupported_opcodes_received", | |
972 | .getter = mlxsw_reg_ppcnt_a_unsupported_opcodes_received_get, | |
973 | }, | |
974 | { | |
975 | .str = "a_pause_mac_ctrl_frames_received", | |
976 | .getter = mlxsw_reg_ppcnt_a_pause_mac_ctrl_frames_received_get, | |
977 | }, | |
978 | { | |
979 | .str = "a_pause_mac_ctrl_frames_xmitted", | |
980 | .getter = mlxsw_reg_ppcnt_a_pause_mac_ctrl_frames_transmitted_get, | |
981 | }, | |
982 | }; | |
983 | ||
984 | #define MLXSW_SP_PORT_HW_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_stats) | |
985 | ||
986 | static void mlxsw_sp_port_get_strings(struct net_device *dev, | |
987 | u32 stringset, u8 *data) | |
988 | { | |
989 | u8 *p = data; | |
990 | int i; | |
991 | ||
992 | switch (stringset) { | |
993 | case ETH_SS_STATS: | |
994 | for (i = 0; i < MLXSW_SP_PORT_HW_STATS_LEN; i++) { | |
995 | memcpy(p, mlxsw_sp_port_hw_stats[i].str, | |
996 | ETH_GSTRING_LEN); | |
997 | p += ETH_GSTRING_LEN; | |
998 | } | |
999 | break; | |
1000 | } | |
1001 | } | |
1002 | ||
3a66ee38 IS |
1003 | static int mlxsw_sp_port_set_phys_id(struct net_device *dev, |
1004 | enum ethtool_phys_id_state state) | |
1005 | { | |
1006 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
1007 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1008 | char mlcr_pl[MLXSW_REG_MLCR_LEN]; | |
1009 | bool active; | |
1010 | ||
1011 | switch (state) { | |
1012 | case ETHTOOL_ID_ACTIVE: | |
1013 | active = true; | |
1014 | break; | |
1015 | case ETHTOOL_ID_INACTIVE: | |
1016 | active = false; | |
1017 | break; | |
1018 | default: | |
1019 | return -EOPNOTSUPP; | |
1020 | } | |
1021 | ||
1022 | mlxsw_reg_mlcr_pack(mlcr_pl, mlxsw_sp_port->local_port, active); | |
1023 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mlcr), mlcr_pl); | |
1024 | } | |
1025 | ||
56ade8fe JP |
1026 | static void mlxsw_sp_port_get_stats(struct net_device *dev, |
1027 | struct ethtool_stats *stats, u64 *data) | |
1028 | { | |
1029 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
1030 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1031 | char ppcnt_pl[MLXSW_REG_PPCNT_LEN]; | |
1032 | int i; | |
1033 | int err; | |
1034 | ||
1035 | mlxsw_reg_ppcnt_pack(ppcnt_pl, mlxsw_sp_port->local_port); | |
1036 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ppcnt), ppcnt_pl); | |
1037 | for (i = 0; i < MLXSW_SP_PORT_HW_STATS_LEN; i++) | |
1038 | data[i] = !err ? mlxsw_sp_port_hw_stats[i].getter(ppcnt_pl) : 0; | |
1039 | } | |
1040 | ||
1041 | static int mlxsw_sp_port_get_sset_count(struct net_device *dev, int sset) | |
1042 | { | |
1043 | switch (sset) { | |
1044 | case ETH_SS_STATS: | |
1045 | return MLXSW_SP_PORT_HW_STATS_LEN; | |
1046 | default: | |
1047 | return -EOPNOTSUPP; | |
1048 | } | |
1049 | } | |
1050 | ||
1051 | struct mlxsw_sp_port_link_mode { | |
1052 | u32 mask; | |
1053 | u32 supported; | |
1054 | u32 advertised; | |
1055 | u32 speed; | |
1056 | }; | |
1057 | ||
1058 | static const struct mlxsw_sp_port_link_mode mlxsw_sp_port_link_mode[] = { | |
1059 | { | |
1060 | .mask = MLXSW_REG_PTYS_ETH_SPEED_100BASE_T, | |
1061 | .supported = SUPPORTED_100baseT_Full, | |
1062 | .advertised = ADVERTISED_100baseT_Full, | |
1063 | .speed = 100, | |
1064 | }, | |
1065 | { | |
1066 | .mask = MLXSW_REG_PTYS_ETH_SPEED_100BASE_TX, | |
1067 | .speed = 100, | |
1068 | }, | |
1069 | { | |
1070 | .mask = MLXSW_REG_PTYS_ETH_SPEED_SGMII | | |
1071 | MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX, | |
1072 | .supported = SUPPORTED_1000baseKX_Full, | |
1073 | .advertised = ADVERTISED_1000baseKX_Full, | |
1074 | .speed = 1000, | |
1075 | }, | |
1076 | { | |
1077 | .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_T, | |
1078 | .supported = SUPPORTED_10000baseT_Full, | |
1079 | .advertised = ADVERTISED_10000baseT_Full, | |
1080 | .speed = 10000, | |
1081 | }, | |
1082 | { | |
1083 | .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CX4 | | |
1084 | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4, | |
1085 | .supported = SUPPORTED_10000baseKX4_Full, | |
1086 | .advertised = ADVERTISED_10000baseKX4_Full, | |
1087 | .speed = 10000, | |
1088 | }, | |
1089 | { | |
1090 | .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR | | |
1091 | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR | | |
1092 | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR | | |
1093 | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_ER_LR, | |
1094 | .supported = SUPPORTED_10000baseKR_Full, | |
1095 | .advertised = ADVERTISED_10000baseKR_Full, | |
1096 | .speed = 10000, | |
1097 | }, | |
1098 | { | |
1099 | .mask = MLXSW_REG_PTYS_ETH_SPEED_20GBASE_KR2, | |
1100 | .supported = SUPPORTED_20000baseKR2_Full, | |
1101 | .advertised = ADVERTISED_20000baseKR2_Full, | |
1102 | .speed = 20000, | |
1103 | }, | |
1104 | { | |
1105 | .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4, | |
1106 | .supported = SUPPORTED_40000baseCR4_Full, | |
1107 | .advertised = ADVERTISED_40000baseCR4_Full, | |
1108 | .speed = 40000, | |
1109 | }, | |
1110 | { | |
1111 | .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4, | |
1112 | .supported = SUPPORTED_40000baseKR4_Full, | |
1113 | .advertised = ADVERTISED_40000baseKR4_Full, | |
1114 | .speed = 40000, | |
1115 | }, | |
1116 | { | |
1117 | .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4, | |
1118 | .supported = SUPPORTED_40000baseSR4_Full, | |
1119 | .advertised = ADVERTISED_40000baseSR4_Full, | |
1120 | .speed = 40000, | |
1121 | }, | |
1122 | { | |
1123 | .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_LR4_ER4, | |
1124 | .supported = SUPPORTED_40000baseLR4_Full, | |
1125 | .advertised = ADVERTISED_40000baseLR4_Full, | |
1126 | .speed = 40000, | |
1127 | }, | |
1128 | { | |
1129 | .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_CR | | |
1130 | MLXSW_REG_PTYS_ETH_SPEED_25GBASE_KR | | |
1131 | MLXSW_REG_PTYS_ETH_SPEED_25GBASE_SR, | |
1132 | .speed = 25000, | |
1133 | }, | |
1134 | { | |
1135 | .mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_KR4 | | |
1136 | MLXSW_REG_PTYS_ETH_SPEED_50GBASE_CR2 | | |
1137 | MLXSW_REG_PTYS_ETH_SPEED_50GBASE_KR2, | |
1138 | .speed = 50000, | |
1139 | }, | |
1140 | { | |
1141 | .mask = MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4, | |
1142 | .supported = SUPPORTED_56000baseKR4_Full, | |
1143 | .advertised = ADVERTISED_56000baseKR4_Full, | |
1144 | .speed = 56000, | |
1145 | }, | |
1146 | { | |
1147 | .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_CR4 | | |
1148 | MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4 | | |
1149 | MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4 | | |
1150 | MLXSW_REG_PTYS_ETH_SPEED_100GBASE_LR4_ER4, | |
1151 | .speed = 100000, | |
1152 | }, | |
1153 | }; | |
1154 | ||
1155 | #define MLXSW_SP_PORT_LINK_MODE_LEN ARRAY_SIZE(mlxsw_sp_port_link_mode) | |
1156 | ||
1157 | static u32 mlxsw_sp_from_ptys_supported_port(u32 ptys_eth_proto) | |
1158 | { | |
1159 | if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR | | |
1160 | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR | | |
1161 | MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4 | | |
1162 | MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4 | | |
1163 | MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4 | | |
1164 | MLXSW_REG_PTYS_ETH_SPEED_SGMII)) | |
1165 | return SUPPORTED_FIBRE; | |
1166 | ||
1167 | if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR | | |
1168 | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4 | | |
1169 | MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4 | | |
1170 | MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4 | | |
1171 | MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX)) | |
1172 | return SUPPORTED_Backplane; | |
1173 | return 0; | |
1174 | } | |
1175 | ||
1176 | static u32 mlxsw_sp_from_ptys_supported_link(u32 ptys_eth_proto) | |
1177 | { | |
1178 | u32 modes = 0; | |
1179 | int i; | |
1180 | ||
1181 | for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { | |
1182 | if (ptys_eth_proto & mlxsw_sp_port_link_mode[i].mask) | |
1183 | modes |= mlxsw_sp_port_link_mode[i].supported; | |
1184 | } | |
1185 | return modes; | |
1186 | } | |
1187 | ||
1188 | static u32 mlxsw_sp_from_ptys_advert_link(u32 ptys_eth_proto) | |
1189 | { | |
1190 | u32 modes = 0; | |
1191 | int i; | |
1192 | ||
1193 | for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { | |
1194 | if (ptys_eth_proto & mlxsw_sp_port_link_mode[i].mask) | |
1195 | modes |= mlxsw_sp_port_link_mode[i].advertised; | |
1196 | } | |
1197 | return modes; | |
1198 | } | |
1199 | ||
1200 | static void mlxsw_sp_from_ptys_speed_duplex(bool carrier_ok, u32 ptys_eth_proto, | |
1201 | struct ethtool_cmd *cmd) | |
1202 | { | |
1203 | u32 speed = SPEED_UNKNOWN; | |
1204 | u8 duplex = DUPLEX_UNKNOWN; | |
1205 | int i; | |
1206 | ||
1207 | if (!carrier_ok) | |
1208 | goto out; | |
1209 | ||
1210 | for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { | |
1211 | if (ptys_eth_proto & mlxsw_sp_port_link_mode[i].mask) { | |
1212 | speed = mlxsw_sp_port_link_mode[i].speed; | |
1213 | duplex = DUPLEX_FULL; | |
1214 | break; | |
1215 | } | |
1216 | } | |
1217 | out: | |
1218 | ethtool_cmd_speed_set(cmd, speed); | |
1219 | cmd->duplex = duplex; | |
1220 | } | |
1221 | ||
1222 | static u8 mlxsw_sp_port_connector_port(u32 ptys_eth_proto) | |
1223 | { | |
1224 | if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR | | |
1225 | MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4 | | |
1226 | MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4 | | |
1227 | MLXSW_REG_PTYS_ETH_SPEED_SGMII)) | |
1228 | return PORT_FIBRE; | |
1229 | ||
1230 | if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR | | |
1231 | MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4 | | |
1232 | MLXSW_REG_PTYS_ETH_SPEED_100GBASE_CR4)) | |
1233 | return PORT_DA; | |
1234 | ||
1235 | if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR | | |
1236 | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4 | | |
1237 | MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4 | | |
1238 | MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4)) | |
1239 | return PORT_NONE; | |
1240 | ||
1241 | return PORT_OTHER; | |
1242 | } | |
1243 | ||
1244 | static int mlxsw_sp_port_get_settings(struct net_device *dev, | |
1245 | struct ethtool_cmd *cmd) | |
1246 | { | |
1247 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
1248 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1249 | char ptys_pl[MLXSW_REG_PTYS_LEN]; | |
1250 | u32 eth_proto_cap; | |
1251 | u32 eth_proto_admin; | |
1252 | u32 eth_proto_oper; | |
1253 | int err; | |
1254 | ||
1255 | mlxsw_reg_ptys_pack(ptys_pl, mlxsw_sp_port->local_port, 0); | |
1256 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); | |
1257 | if (err) { | |
1258 | netdev_err(dev, "Failed to get proto"); | |
1259 | return err; | |
1260 | } | |
1261 | mlxsw_reg_ptys_unpack(ptys_pl, ð_proto_cap, | |
1262 | ð_proto_admin, ð_proto_oper); | |
1263 | ||
1264 | cmd->supported = mlxsw_sp_from_ptys_supported_port(eth_proto_cap) | | |
1265 | mlxsw_sp_from_ptys_supported_link(eth_proto_cap) | | |
1266 | SUPPORTED_Pause | SUPPORTED_Asym_Pause; | |
1267 | cmd->advertising = mlxsw_sp_from_ptys_advert_link(eth_proto_admin); | |
1268 | mlxsw_sp_from_ptys_speed_duplex(netif_carrier_ok(dev), | |
1269 | eth_proto_oper, cmd); | |
1270 | ||
1271 | eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap; | |
1272 | cmd->port = mlxsw_sp_port_connector_port(eth_proto_oper); | |
1273 | cmd->lp_advertising = mlxsw_sp_from_ptys_advert_link(eth_proto_oper); | |
1274 | ||
1275 | cmd->transceiver = XCVR_INTERNAL; | |
1276 | return 0; | |
1277 | } | |
1278 | ||
1279 | static u32 mlxsw_sp_to_ptys_advert_link(u32 advertising) | |
1280 | { | |
1281 | u32 ptys_proto = 0; | |
1282 | int i; | |
1283 | ||
1284 | for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { | |
1285 | if (advertising & mlxsw_sp_port_link_mode[i].advertised) | |
1286 | ptys_proto |= mlxsw_sp_port_link_mode[i].mask; | |
1287 | } | |
1288 | return ptys_proto; | |
1289 | } | |
1290 | ||
1291 | static u32 mlxsw_sp_to_ptys_speed(u32 speed) | |
1292 | { | |
1293 | u32 ptys_proto = 0; | |
1294 | int i; | |
1295 | ||
1296 | for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { | |
1297 | if (speed == mlxsw_sp_port_link_mode[i].speed) | |
1298 | ptys_proto |= mlxsw_sp_port_link_mode[i].mask; | |
1299 | } | |
1300 | return ptys_proto; | |
1301 | } | |
1302 | ||
18f1e70c IS |
1303 | static u32 mlxsw_sp_to_ptys_upper_speed(u32 upper_speed) |
1304 | { | |
1305 | u32 ptys_proto = 0; | |
1306 | int i; | |
1307 | ||
1308 | for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { | |
1309 | if (mlxsw_sp_port_link_mode[i].speed <= upper_speed) | |
1310 | ptys_proto |= mlxsw_sp_port_link_mode[i].mask; | |
1311 | } | |
1312 | return ptys_proto; | |
1313 | } | |
1314 | ||
56ade8fe JP |
1315 | static int mlxsw_sp_port_set_settings(struct net_device *dev, |
1316 | struct ethtool_cmd *cmd) | |
1317 | { | |
1318 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
1319 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1320 | char ptys_pl[MLXSW_REG_PTYS_LEN]; | |
1321 | u32 speed; | |
1322 | u32 eth_proto_new; | |
1323 | u32 eth_proto_cap; | |
1324 | u32 eth_proto_admin; | |
1325 | bool is_up; | |
1326 | int err; | |
1327 | ||
1328 | speed = ethtool_cmd_speed(cmd); | |
1329 | ||
1330 | eth_proto_new = cmd->autoneg == AUTONEG_ENABLE ? | |
1331 | mlxsw_sp_to_ptys_advert_link(cmd->advertising) : | |
1332 | mlxsw_sp_to_ptys_speed(speed); | |
1333 | ||
1334 | mlxsw_reg_ptys_pack(ptys_pl, mlxsw_sp_port->local_port, 0); | |
1335 | err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); | |
1336 | if (err) { | |
1337 | netdev_err(dev, "Failed to get proto"); | |
1338 | return err; | |
1339 | } | |
1340 | mlxsw_reg_ptys_unpack(ptys_pl, ð_proto_cap, ð_proto_admin, NULL); | |
1341 | ||
1342 | eth_proto_new = eth_proto_new & eth_proto_cap; | |
1343 | if (!eth_proto_new) { | |
1344 | netdev_err(dev, "Not supported proto admin requested"); | |
1345 | return -EINVAL; | |
1346 | } | |
1347 | if (eth_proto_new == eth_proto_admin) | |
1348 | return 0; | |
1349 | ||
1350 | mlxsw_reg_ptys_pack(ptys_pl, mlxsw_sp_port->local_port, eth_proto_new); | |
1351 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); | |
1352 | if (err) { | |
1353 | netdev_err(dev, "Failed to set proto admin"); | |
1354 | return err; | |
1355 | } | |
1356 | ||
1357 | err = mlxsw_sp_port_oper_status_get(mlxsw_sp_port, &is_up); | |
1358 | if (err) { | |
1359 | netdev_err(dev, "Failed to get oper status"); | |
1360 | return err; | |
1361 | } | |
1362 | if (!is_up) | |
1363 | return 0; | |
1364 | ||
1365 | err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); | |
1366 | if (err) { | |
1367 | netdev_err(dev, "Failed to set admin status"); | |
1368 | return err; | |
1369 | } | |
1370 | ||
1371 | err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true); | |
1372 | if (err) { | |
1373 | netdev_err(dev, "Failed to set admin status"); | |
1374 | return err; | |
1375 | } | |
1376 | ||
1377 | return 0; | |
1378 | } | |
1379 | ||
1380 | static const struct ethtool_ops mlxsw_sp_port_ethtool_ops = { | |
1381 | .get_drvinfo = mlxsw_sp_port_get_drvinfo, | |
1382 | .get_link = ethtool_op_get_link, | |
1383 | .get_strings = mlxsw_sp_port_get_strings, | |
3a66ee38 | 1384 | .set_phys_id = mlxsw_sp_port_set_phys_id, |
56ade8fe JP |
1385 | .get_ethtool_stats = mlxsw_sp_port_get_stats, |
1386 | .get_sset_count = mlxsw_sp_port_get_sset_count, | |
1387 | .get_settings = mlxsw_sp_port_get_settings, | |
1388 | .set_settings = mlxsw_sp_port_set_settings, | |
1389 | }; | |
1390 | ||
18f1e70c IS |
1391 | static int |
1392 | mlxsw_sp_port_speed_by_width_set(struct mlxsw_sp_port *mlxsw_sp_port, u8 width) | |
1393 | { | |
1394 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
1395 | u32 upper_speed = MLXSW_SP_PORT_BASE_SPEED * width; | |
1396 | char ptys_pl[MLXSW_REG_PTYS_LEN]; | |
1397 | u32 eth_proto_admin; | |
1398 | ||
1399 | eth_proto_admin = mlxsw_sp_to_ptys_upper_speed(upper_speed); | |
1400 | mlxsw_reg_ptys_pack(ptys_pl, mlxsw_sp_port->local_port, | |
1401 | eth_proto_admin); | |
1402 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); | |
1403 | } | |
1404 | ||
1405 | static int __mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port, | |
1406 | bool split, u8 module, u8 width) | |
56ade8fe | 1407 | { |
c4745500 | 1408 | struct devlink *devlink = priv_to_devlink(mlxsw_sp->core); |
56ade8fe | 1409 | struct mlxsw_sp_port *mlxsw_sp_port; |
c4745500 | 1410 | struct devlink_port *devlink_port; |
56ade8fe | 1411 | struct net_device *dev; |
bd40e9d6 | 1412 | size_t bytes; |
56ade8fe JP |
1413 | int err; |
1414 | ||
1415 | dev = alloc_etherdev(sizeof(struct mlxsw_sp_port)); | |
1416 | if (!dev) | |
1417 | return -ENOMEM; | |
1418 | mlxsw_sp_port = netdev_priv(dev); | |
1419 | mlxsw_sp_port->dev = dev; | |
1420 | mlxsw_sp_port->mlxsw_sp = mlxsw_sp; | |
1421 | mlxsw_sp_port->local_port = local_port; | |
18f1e70c | 1422 | mlxsw_sp_port->split = split; |
bd40e9d6 IS |
1423 | bytes = DIV_ROUND_UP(VLAN_N_VID, BITS_PER_BYTE); |
1424 | mlxsw_sp_port->active_vlans = kzalloc(bytes, GFP_KERNEL); | |
1425 | if (!mlxsw_sp_port->active_vlans) { | |
1426 | err = -ENOMEM; | |
1427 | goto err_port_active_vlans_alloc; | |
1428 | } | |
fc1273af ER |
1429 | mlxsw_sp_port->untagged_vlans = kzalloc(bytes, GFP_KERNEL); |
1430 | if (!mlxsw_sp_port->untagged_vlans) { | |
1431 | err = -ENOMEM; | |
1432 | goto err_port_untagged_vlans_alloc; | |
1433 | } | |
7f71eb46 | 1434 | INIT_LIST_HEAD(&mlxsw_sp_port->vports_list); |
56ade8fe JP |
1435 | |
1436 | mlxsw_sp_port->pcpu_stats = | |
1437 | netdev_alloc_pcpu_stats(struct mlxsw_sp_port_pcpu_stats); | |
1438 | if (!mlxsw_sp_port->pcpu_stats) { | |
1439 | err = -ENOMEM; | |
1440 | goto err_alloc_stats; | |
1441 | } | |
1442 | ||
1443 | dev->netdev_ops = &mlxsw_sp_port_netdev_ops; | |
1444 | dev->ethtool_ops = &mlxsw_sp_port_ethtool_ops; | |
1445 | ||
1446 | err = mlxsw_sp_port_dev_addr_init(mlxsw_sp_port); | |
1447 | if (err) { | |
1448 | dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unable to init port mac address\n", | |
1449 | mlxsw_sp_port->local_port); | |
1450 | goto err_dev_addr_init; | |
1451 | } | |
1452 | ||
1453 | netif_carrier_off(dev); | |
1454 | ||
1455 | dev->features |= NETIF_F_NETNS_LOCAL | NETIF_F_LLTX | NETIF_F_SG | | |
1456 | NETIF_F_HW_VLAN_CTAG_FILTER; | |
1457 | ||
1458 | /* Each packet needs to have a Tx header (metadata) on top all other | |
1459 | * headers. | |
1460 | */ | |
1461 | dev->hard_header_len += MLXSW_TXHDR_LEN; | |
1462 | ||
c4745500 | 1463 | devlink_port = &mlxsw_sp_port->devlink_port; |
18f1e70c IS |
1464 | if (mlxsw_sp_port->split) |
1465 | devlink_port_split_set(devlink_port, module); | |
c4745500 JP |
1466 | err = devlink_port_register(devlink, devlink_port, local_port); |
1467 | if (err) { | |
1468 | dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to register devlink port\n", | |
1469 | mlxsw_sp_port->local_port); | |
1470 | goto err_devlink_port_register; | |
1471 | } | |
1472 | ||
56ade8fe JP |
1473 | err = mlxsw_sp_port_system_port_mapping_set(mlxsw_sp_port); |
1474 | if (err) { | |
1475 | dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set system port mapping\n", | |
1476 | mlxsw_sp_port->local_port); | |
1477 | goto err_port_system_port_mapping_set; | |
1478 | } | |
1479 | ||
1480 | err = mlxsw_sp_port_swid_set(mlxsw_sp_port, 0); | |
1481 | if (err) { | |
1482 | dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set SWID\n", | |
1483 | mlxsw_sp_port->local_port); | |
1484 | goto err_port_swid_set; | |
1485 | } | |
1486 | ||
18f1e70c IS |
1487 | err = mlxsw_sp_port_speed_by_width_set(mlxsw_sp_port, width); |
1488 | if (err) { | |
1489 | dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to enable speeds\n", | |
1490 | mlxsw_sp_port->local_port); | |
1491 | goto err_port_speed_by_width_set; | |
1492 | } | |
1493 | ||
56ade8fe JP |
1494 | err = mlxsw_sp_port_mtu_set(mlxsw_sp_port, ETH_DATA_LEN); |
1495 | if (err) { | |
1496 | dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set MTU\n", | |
1497 | mlxsw_sp_port->local_port); | |
1498 | goto err_port_mtu_set; | |
1499 | } | |
1500 | ||
1501 | err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); | |
1502 | if (err) | |
1503 | goto err_port_admin_status_set; | |
1504 | ||
1505 | err = mlxsw_sp_port_buffers_init(mlxsw_sp_port); | |
1506 | if (err) { | |
1507 | dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize buffers\n", | |
1508 | mlxsw_sp_port->local_port); | |
1509 | goto err_port_buffers_init; | |
1510 | } | |
1511 | ||
1512 | mlxsw_sp_port_switchdev_init(mlxsw_sp_port); | |
1513 | err = register_netdev(dev); | |
1514 | if (err) { | |
1515 | dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to register netdev\n", | |
1516 | mlxsw_sp_port->local_port); | |
1517 | goto err_register_netdev; | |
1518 | } | |
1519 | ||
c4745500 JP |
1520 | devlink_port_type_eth_set(devlink_port, dev); |
1521 | ||
56ade8fe JP |
1522 | err = mlxsw_sp_port_vlan_init(mlxsw_sp_port); |
1523 | if (err) | |
1524 | goto err_port_vlan_init; | |
1525 | ||
1526 | mlxsw_sp->ports[local_port] = mlxsw_sp_port; | |
1527 | return 0; | |
1528 | ||
1529 | err_port_vlan_init: | |
1530 | unregister_netdev(dev); | |
1531 | err_register_netdev: | |
1532 | err_port_buffers_init: | |
1533 | err_port_admin_status_set: | |
1534 | err_port_mtu_set: | |
18f1e70c | 1535 | err_port_speed_by_width_set: |
56ade8fe JP |
1536 | err_port_swid_set: |
1537 | err_port_system_port_mapping_set: | |
c4745500 JP |
1538 | devlink_port_unregister(&mlxsw_sp_port->devlink_port); |
1539 | err_devlink_port_register: | |
56ade8fe JP |
1540 | err_dev_addr_init: |
1541 | free_percpu(mlxsw_sp_port->pcpu_stats); | |
1542 | err_alloc_stats: | |
fc1273af ER |
1543 | kfree(mlxsw_sp_port->untagged_vlans); |
1544 | err_port_untagged_vlans_alloc: | |
bd40e9d6 IS |
1545 | kfree(mlxsw_sp_port->active_vlans); |
1546 | err_port_active_vlans_alloc: | |
56ade8fe JP |
1547 | free_netdev(dev); |
1548 | return err; | |
1549 | } | |
1550 | ||
18f1e70c IS |
1551 | static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port, |
1552 | bool split, u8 module, u8 width, u8 lane) | |
1553 | { | |
1554 | int err; | |
1555 | ||
1556 | err = mlxsw_sp_port_module_map(mlxsw_sp, local_port, module, width, | |
1557 | lane); | |
1558 | if (err) | |
1559 | return err; | |
1560 | ||
1561 | err = __mlxsw_sp_port_create(mlxsw_sp, local_port, split, module, | |
1562 | width); | |
1563 | if (err) | |
1564 | goto err_port_create; | |
1565 | ||
1566 | return 0; | |
1567 | ||
1568 | err_port_create: | |
1569 | mlxsw_sp_port_module_unmap(mlxsw_sp, local_port); | |
1570 | return err; | |
1571 | } | |
1572 | ||
7f71eb46 | 1573 | static void mlxsw_sp_port_vports_fini(struct mlxsw_sp_port *mlxsw_sp_port) |
56ade8fe | 1574 | { |
7f71eb46 IS |
1575 | struct net_device *dev = mlxsw_sp_port->dev; |
1576 | struct mlxsw_sp_port *mlxsw_sp_vport, *tmp; | |
56ade8fe | 1577 | |
7f71eb46 IS |
1578 | list_for_each_entry_safe(mlxsw_sp_vport, tmp, |
1579 | &mlxsw_sp_port->vports_list, vport.list) { | |
1580 | u16 vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport); | |
1581 | ||
1582 | /* vPorts created for VLAN devices should already be gone | |
1583 | * by now, since we unregistered the port netdev. | |
1584 | */ | |
1585 | WARN_ON(is_vlan_dev(mlxsw_sp_vport->dev)); | |
1586 | mlxsw_sp_port_kill_vid(dev, 0, vid); | |
1587 | } | |
56ade8fe JP |
1588 | } |
1589 | ||
1590 | static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port) | |
1591 | { | |
1592 | struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port]; | |
c4745500 | 1593 | struct devlink_port *devlink_port; |
56ade8fe JP |
1594 | |
1595 | if (!mlxsw_sp_port) | |
1596 | return; | |
a133318c | 1597 | mlxsw_sp->ports[local_port] = NULL; |
c4745500 JP |
1598 | devlink_port = &mlxsw_sp_port->devlink_port; |
1599 | devlink_port_type_clear(devlink_port); | |
56ade8fe | 1600 | unregister_netdev(mlxsw_sp_port->dev); /* This calls ndo_stop */ |
c4745500 | 1601 | devlink_port_unregister(devlink_port); |
7f71eb46 | 1602 | mlxsw_sp_port_vports_fini(mlxsw_sp_port); |
56ade8fe | 1603 | mlxsw_sp_port_switchdev_fini(mlxsw_sp_port); |
3e9b27b8 IS |
1604 | mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT); |
1605 | mlxsw_sp_port_module_unmap(mlxsw_sp, mlxsw_sp_port->local_port); | |
56ade8fe | 1606 | free_percpu(mlxsw_sp_port->pcpu_stats); |
fc1273af | 1607 | kfree(mlxsw_sp_port->untagged_vlans); |
bd40e9d6 | 1608 | kfree(mlxsw_sp_port->active_vlans); |
56ade8fe JP |
1609 | free_netdev(mlxsw_sp_port->dev); |
1610 | } | |
1611 | ||
1612 | static void mlxsw_sp_ports_remove(struct mlxsw_sp *mlxsw_sp) | |
1613 | { | |
1614 | int i; | |
1615 | ||
1616 | for (i = 1; i < MLXSW_PORT_MAX_PORTS; i++) | |
1617 | mlxsw_sp_port_remove(mlxsw_sp, i); | |
1618 | kfree(mlxsw_sp->ports); | |
1619 | } | |
1620 | ||
1621 | static int mlxsw_sp_ports_create(struct mlxsw_sp *mlxsw_sp) | |
1622 | { | |
1623 | size_t alloc_size; | |
558c2d5e | 1624 | u8 module, width; |
56ade8fe JP |
1625 | int i; |
1626 | int err; | |
1627 | ||
1628 | alloc_size = sizeof(struct mlxsw_sp_port *) * MLXSW_PORT_MAX_PORTS; | |
1629 | mlxsw_sp->ports = kzalloc(alloc_size, GFP_KERNEL); | |
1630 | if (!mlxsw_sp->ports) | |
1631 | return -ENOMEM; | |
1632 | ||
1633 | for (i = 1; i < MLXSW_PORT_MAX_PORTS; i++) { | |
558c2d5e IS |
1634 | err = mlxsw_sp_port_module_info_get(mlxsw_sp, i, &module, |
1635 | &width); | |
1636 | if (err) | |
1637 | goto err_port_module_info_get; | |
1638 | if (!width) | |
1639 | continue; | |
1640 | mlxsw_sp->port_to_module[i] = module; | |
18f1e70c | 1641 | err = __mlxsw_sp_port_create(mlxsw_sp, i, false, module, width); |
56ade8fe JP |
1642 | if (err) |
1643 | goto err_port_create; | |
1644 | } | |
1645 | return 0; | |
1646 | ||
1647 | err_port_create: | |
558c2d5e | 1648 | err_port_module_info_get: |
56ade8fe JP |
1649 | for (i--; i >= 1; i--) |
1650 | mlxsw_sp_port_remove(mlxsw_sp, i); | |
1651 | kfree(mlxsw_sp->ports); | |
1652 | return err; | |
1653 | } | |
1654 | ||
18f1e70c IS |
1655 | static u8 mlxsw_sp_cluster_base_port_get(u8 local_port) |
1656 | { | |
1657 | u8 offset = (local_port - 1) % MLXSW_SP_PORTS_PER_CLUSTER_MAX; | |
1658 | ||
1659 | return local_port - offset; | |
1660 | } | |
1661 | ||
1662 | static int mlxsw_sp_port_split(void *priv, u8 local_port, unsigned int count) | |
1663 | { | |
1664 | struct mlxsw_sp *mlxsw_sp = priv; | |
1665 | struct mlxsw_sp_port *mlxsw_sp_port; | |
1666 | u8 width = MLXSW_PORT_MODULE_MAX_WIDTH / count; | |
1667 | u8 module, cur_width, base_port; | |
1668 | int i; | |
1669 | int err; | |
1670 | ||
1671 | mlxsw_sp_port = mlxsw_sp->ports[local_port]; | |
1672 | if (!mlxsw_sp_port) { | |
1673 | dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n", | |
1674 | local_port); | |
1675 | return -EINVAL; | |
1676 | } | |
1677 | ||
1678 | if (count != 2 && count != 4) { | |
1679 | netdev_err(mlxsw_sp_port->dev, "Port can only be split into 2 or 4 ports\n"); | |
1680 | return -EINVAL; | |
1681 | } | |
1682 | ||
1683 | err = mlxsw_sp_port_module_info_get(mlxsw_sp, local_port, &module, | |
1684 | &cur_width); | |
1685 | if (err) { | |
1686 | netdev_err(mlxsw_sp_port->dev, "Failed to get port's width\n"); | |
1687 | return err; | |
1688 | } | |
1689 | ||
1690 | if (cur_width != MLXSW_PORT_MODULE_MAX_WIDTH) { | |
1691 | netdev_err(mlxsw_sp_port->dev, "Port cannot be split further\n"); | |
1692 | return -EINVAL; | |
1693 | } | |
1694 | ||
1695 | /* Make sure we have enough slave (even) ports for the split. */ | |
1696 | if (count == 2) { | |
1697 | base_port = local_port; | |
1698 | if (mlxsw_sp->ports[base_port + 1]) { | |
1699 | netdev_err(mlxsw_sp_port->dev, "Invalid split configuration\n"); | |
1700 | return -EINVAL; | |
1701 | } | |
1702 | } else { | |
1703 | base_port = mlxsw_sp_cluster_base_port_get(local_port); | |
1704 | if (mlxsw_sp->ports[base_port + 1] || | |
1705 | mlxsw_sp->ports[base_port + 3]) { | |
1706 | netdev_err(mlxsw_sp_port->dev, "Invalid split configuration\n"); | |
1707 | return -EINVAL; | |
1708 | } | |
1709 | } | |
1710 | ||
1711 | for (i = 0; i < count; i++) | |
1712 | mlxsw_sp_port_remove(mlxsw_sp, base_port + i); | |
1713 | ||
1714 | for (i = 0; i < count; i++) { | |
1715 | err = mlxsw_sp_port_create(mlxsw_sp, base_port + i, true, | |
1716 | module, width, i * width); | |
1717 | if (err) { | |
1718 | dev_err(mlxsw_sp->bus_info->dev, "Failed to create split port\n"); | |
1719 | goto err_port_create; | |
1720 | } | |
1721 | } | |
1722 | ||
1723 | return 0; | |
1724 | ||
1725 | err_port_create: | |
1726 | for (i--; i >= 0; i--) | |
1727 | mlxsw_sp_port_remove(mlxsw_sp, base_port + i); | |
1728 | for (i = 0; i < count / 2; i++) { | |
1729 | module = mlxsw_sp->port_to_module[base_port + i * 2]; | |
1730 | mlxsw_sp_port_create(mlxsw_sp, base_port + i * 2, false, | |
1731 | module, MLXSW_PORT_MODULE_MAX_WIDTH, 0); | |
1732 | } | |
1733 | return err; | |
1734 | } | |
1735 | ||
1736 | static int mlxsw_sp_port_unsplit(void *priv, u8 local_port) | |
1737 | { | |
1738 | struct mlxsw_sp *mlxsw_sp = priv; | |
1739 | struct mlxsw_sp_port *mlxsw_sp_port; | |
1740 | u8 module, cur_width, base_port; | |
1741 | unsigned int count; | |
1742 | int i; | |
1743 | int err; | |
1744 | ||
1745 | mlxsw_sp_port = mlxsw_sp->ports[local_port]; | |
1746 | if (!mlxsw_sp_port) { | |
1747 | dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n", | |
1748 | local_port); | |
1749 | return -EINVAL; | |
1750 | } | |
1751 | ||
1752 | if (!mlxsw_sp_port->split) { | |
1753 | netdev_err(mlxsw_sp_port->dev, "Port wasn't split\n"); | |
1754 | return -EINVAL; | |
1755 | } | |
1756 | ||
1757 | err = mlxsw_sp_port_module_info_get(mlxsw_sp, local_port, &module, | |
1758 | &cur_width); | |
1759 | if (err) { | |
1760 | netdev_err(mlxsw_sp_port->dev, "Failed to get port's width\n"); | |
1761 | return err; | |
1762 | } | |
1763 | count = cur_width == 1 ? 4 : 2; | |
1764 | ||
1765 | base_port = mlxsw_sp_cluster_base_port_get(local_port); | |
1766 | ||
1767 | /* Determine which ports to remove. */ | |
1768 | if (count == 2 && local_port >= base_port + 2) | |
1769 | base_port = base_port + 2; | |
1770 | ||
1771 | for (i = 0; i < count; i++) | |
1772 | mlxsw_sp_port_remove(mlxsw_sp, base_port + i); | |
1773 | ||
1774 | for (i = 0; i < count / 2; i++) { | |
1775 | module = mlxsw_sp->port_to_module[base_port + i * 2]; | |
1776 | err = mlxsw_sp_port_create(mlxsw_sp, base_port + i * 2, false, | |
1777 | module, MLXSW_PORT_MODULE_MAX_WIDTH, | |
1778 | 0); | |
1779 | if (err) | |
1780 | dev_err(mlxsw_sp->bus_info->dev, "Failed to reinstantiate port\n"); | |
1781 | } | |
1782 | ||
1783 | return 0; | |
1784 | } | |
1785 | ||
56ade8fe JP |
1786 | static void mlxsw_sp_pude_event_func(const struct mlxsw_reg_info *reg, |
1787 | char *pude_pl, void *priv) | |
1788 | { | |
1789 | struct mlxsw_sp *mlxsw_sp = priv; | |
1790 | struct mlxsw_sp_port *mlxsw_sp_port; | |
1791 | enum mlxsw_reg_pude_oper_status status; | |
1792 | u8 local_port; | |
1793 | ||
1794 | local_port = mlxsw_reg_pude_local_port_get(pude_pl); | |
1795 | mlxsw_sp_port = mlxsw_sp->ports[local_port]; | |
1796 | if (!mlxsw_sp_port) { | |
1797 | dev_warn(mlxsw_sp->bus_info->dev, "Port %d: Link event received for non-existent port\n", | |
1798 | local_port); | |
1799 | return; | |
1800 | } | |
1801 | ||
1802 | status = mlxsw_reg_pude_oper_status_get(pude_pl); | |
1803 | if (status == MLXSW_PORT_OPER_STATUS_UP) { | |
1804 | netdev_info(mlxsw_sp_port->dev, "link up\n"); | |
1805 | netif_carrier_on(mlxsw_sp_port->dev); | |
1806 | } else { | |
1807 | netdev_info(mlxsw_sp_port->dev, "link down\n"); | |
1808 | netif_carrier_off(mlxsw_sp_port->dev); | |
1809 | } | |
1810 | } | |
1811 | ||
1812 | static struct mlxsw_event_listener mlxsw_sp_pude_event = { | |
1813 | .func = mlxsw_sp_pude_event_func, | |
1814 | .trap_id = MLXSW_TRAP_ID_PUDE, | |
1815 | }; | |
1816 | ||
1817 | static int mlxsw_sp_event_register(struct mlxsw_sp *mlxsw_sp, | |
1818 | enum mlxsw_event_trap_id trap_id) | |
1819 | { | |
1820 | struct mlxsw_event_listener *el; | |
1821 | char hpkt_pl[MLXSW_REG_HPKT_LEN]; | |
1822 | int err; | |
1823 | ||
1824 | switch (trap_id) { | |
1825 | case MLXSW_TRAP_ID_PUDE: | |
1826 | el = &mlxsw_sp_pude_event; | |
1827 | break; | |
1828 | } | |
1829 | err = mlxsw_core_event_listener_register(mlxsw_sp->core, el, mlxsw_sp); | |
1830 | if (err) | |
1831 | return err; | |
1832 | ||
1833 | mlxsw_reg_hpkt_pack(hpkt_pl, MLXSW_REG_HPKT_ACTION_FORWARD, trap_id); | |
1834 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(hpkt), hpkt_pl); | |
1835 | if (err) | |
1836 | goto err_event_trap_set; | |
1837 | ||
1838 | return 0; | |
1839 | ||
1840 | err_event_trap_set: | |
1841 | mlxsw_core_event_listener_unregister(mlxsw_sp->core, el, mlxsw_sp); | |
1842 | return err; | |
1843 | } | |
1844 | ||
1845 | static void mlxsw_sp_event_unregister(struct mlxsw_sp *mlxsw_sp, | |
1846 | enum mlxsw_event_trap_id trap_id) | |
1847 | { | |
1848 | struct mlxsw_event_listener *el; | |
1849 | ||
1850 | switch (trap_id) { | |
1851 | case MLXSW_TRAP_ID_PUDE: | |
1852 | el = &mlxsw_sp_pude_event; | |
1853 | break; | |
1854 | } | |
1855 | mlxsw_core_event_listener_unregister(mlxsw_sp->core, el, mlxsw_sp); | |
1856 | } | |
1857 | ||
1858 | static void mlxsw_sp_rx_listener_func(struct sk_buff *skb, u8 local_port, | |
1859 | void *priv) | |
1860 | { | |
1861 | struct mlxsw_sp *mlxsw_sp = priv; | |
1862 | struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port]; | |
1863 | struct mlxsw_sp_port_pcpu_stats *pcpu_stats; | |
1864 | ||
1865 | if (unlikely(!mlxsw_sp_port)) { | |
1866 | dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: skb received for non-existent port\n", | |
1867 | local_port); | |
1868 | return; | |
1869 | } | |
1870 | ||
1871 | skb->dev = mlxsw_sp_port->dev; | |
1872 | ||
1873 | pcpu_stats = this_cpu_ptr(mlxsw_sp_port->pcpu_stats); | |
1874 | u64_stats_update_begin(&pcpu_stats->syncp); | |
1875 | pcpu_stats->rx_packets++; | |
1876 | pcpu_stats->rx_bytes += skb->len; | |
1877 | u64_stats_update_end(&pcpu_stats->syncp); | |
1878 | ||
1879 | skb->protocol = eth_type_trans(skb, skb->dev); | |
1880 | netif_receive_skb(skb); | |
1881 | } | |
1882 | ||
1883 | static const struct mlxsw_rx_listener mlxsw_sp_rx_listener[] = { | |
1884 | { | |
1885 | .func = mlxsw_sp_rx_listener_func, | |
1886 | .local_port = MLXSW_PORT_DONT_CARE, | |
1887 | .trap_id = MLXSW_TRAP_ID_FDB_MC, | |
1888 | }, | |
1889 | /* Traps for specific L2 packet types, not trapped as FDB MC */ | |
1890 | { | |
1891 | .func = mlxsw_sp_rx_listener_func, | |
1892 | .local_port = MLXSW_PORT_DONT_CARE, | |
1893 | .trap_id = MLXSW_TRAP_ID_STP, | |
1894 | }, | |
1895 | { | |
1896 | .func = mlxsw_sp_rx_listener_func, | |
1897 | .local_port = MLXSW_PORT_DONT_CARE, | |
1898 | .trap_id = MLXSW_TRAP_ID_LACP, | |
1899 | }, | |
1900 | { | |
1901 | .func = mlxsw_sp_rx_listener_func, | |
1902 | .local_port = MLXSW_PORT_DONT_CARE, | |
1903 | .trap_id = MLXSW_TRAP_ID_EAPOL, | |
1904 | }, | |
1905 | { | |
1906 | .func = mlxsw_sp_rx_listener_func, | |
1907 | .local_port = MLXSW_PORT_DONT_CARE, | |
1908 | .trap_id = MLXSW_TRAP_ID_LLDP, | |
1909 | }, | |
1910 | { | |
1911 | .func = mlxsw_sp_rx_listener_func, | |
1912 | .local_port = MLXSW_PORT_DONT_CARE, | |
1913 | .trap_id = MLXSW_TRAP_ID_MMRP, | |
1914 | }, | |
1915 | { | |
1916 | .func = mlxsw_sp_rx_listener_func, | |
1917 | .local_port = MLXSW_PORT_DONT_CARE, | |
1918 | .trap_id = MLXSW_TRAP_ID_MVRP, | |
1919 | }, | |
1920 | { | |
1921 | .func = mlxsw_sp_rx_listener_func, | |
1922 | .local_port = MLXSW_PORT_DONT_CARE, | |
1923 | .trap_id = MLXSW_TRAP_ID_RPVST, | |
1924 | }, | |
1925 | { | |
1926 | .func = mlxsw_sp_rx_listener_func, | |
1927 | .local_port = MLXSW_PORT_DONT_CARE, | |
1928 | .trap_id = MLXSW_TRAP_ID_DHCP, | |
1929 | }, | |
1930 | { | |
1931 | .func = mlxsw_sp_rx_listener_func, | |
1932 | .local_port = MLXSW_PORT_DONT_CARE, | |
1933 | .trap_id = MLXSW_TRAP_ID_IGMP_QUERY, | |
1934 | }, | |
1935 | { | |
1936 | .func = mlxsw_sp_rx_listener_func, | |
1937 | .local_port = MLXSW_PORT_DONT_CARE, | |
1938 | .trap_id = MLXSW_TRAP_ID_IGMP_V1_REPORT, | |
1939 | }, | |
1940 | { | |
1941 | .func = mlxsw_sp_rx_listener_func, | |
1942 | .local_port = MLXSW_PORT_DONT_CARE, | |
1943 | .trap_id = MLXSW_TRAP_ID_IGMP_V2_REPORT, | |
1944 | }, | |
1945 | { | |
1946 | .func = mlxsw_sp_rx_listener_func, | |
1947 | .local_port = MLXSW_PORT_DONT_CARE, | |
1948 | .trap_id = MLXSW_TRAP_ID_IGMP_V2_LEAVE, | |
1949 | }, | |
1950 | { | |
1951 | .func = mlxsw_sp_rx_listener_func, | |
1952 | .local_port = MLXSW_PORT_DONT_CARE, | |
1953 | .trap_id = MLXSW_TRAP_ID_IGMP_V3_REPORT, | |
1954 | }, | |
1955 | }; | |
1956 | ||
1957 | static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp) | |
1958 | { | |
1959 | char htgt_pl[MLXSW_REG_HTGT_LEN]; | |
1960 | char hpkt_pl[MLXSW_REG_HPKT_LEN]; | |
1961 | int i; | |
1962 | int err; | |
1963 | ||
1964 | mlxsw_reg_htgt_pack(htgt_pl, MLXSW_REG_HTGT_TRAP_GROUP_RX); | |
1965 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(htgt), htgt_pl); | |
1966 | if (err) | |
1967 | return err; | |
1968 | ||
1969 | mlxsw_reg_htgt_pack(htgt_pl, MLXSW_REG_HTGT_TRAP_GROUP_CTRL); | |
1970 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(htgt), htgt_pl); | |
1971 | if (err) | |
1972 | return err; | |
1973 | ||
1974 | for (i = 0; i < ARRAY_SIZE(mlxsw_sp_rx_listener); i++) { | |
1975 | err = mlxsw_core_rx_listener_register(mlxsw_sp->core, | |
1976 | &mlxsw_sp_rx_listener[i], | |
1977 | mlxsw_sp); | |
1978 | if (err) | |
1979 | goto err_rx_listener_register; | |
1980 | ||
1981 | mlxsw_reg_hpkt_pack(hpkt_pl, MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU, | |
1982 | mlxsw_sp_rx_listener[i].trap_id); | |
1983 | err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(hpkt), hpkt_pl); | |
1984 | if (err) | |
1985 | goto err_rx_trap_set; | |
1986 | } | |
1987 | return 0; | |
1988 | ||
1989 | err_rx_trap_set: | |
1990 | mlxsw_core_rx_listener_unregister(mlxsw_sp->core, | |
1991 | &mlxsw_sp_rx_listener[i], | |
1992 | mlxsw_sp); | |
1993 | err_rx_listener_register: | |
1994 | for (i--; i >= 0; i--) { | |
1995 | mlxsw_reg_hpkt_pack(hpkt_pl, MLXSW_REG_HPKT_ACTION_FORWARD, | |
1996 | mlxsw_sp_rx_listener[i].trap_id); | |
1997 | mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(hpkt), hpkt_pl); | |
1998 | ||
1999 | mlxsw_core_rx_listener_unregister(mlxsw_sp->core, | |
2000 | &mlxsw_sp_rx_listener[i], | |
2001 | mlxsw_sp); | |
2002 | } | |
2003 | return err; | |
2004 | } | |
2005 | ||
2006 | static void mlxsw_sp_traps_fini(struct mlxsw_sp *mlxsw_sp) | |
2007 | { | |
2008 | char hpkt_pl[MLXSW_REG_HPKT_LEN]; | |
2009 | int i; | |
2010 | ||
2011 | for (i = 0; i < ARRAY_SIZE(mlxsw_sp_rx_listener); i++) { | |
2012 | mlxsw_reg_hpkt_pack(hpkt_pl, MLXSW_REG_HPKT_ACTION_FORWARD, | |
2013 | mlxsw_sp_rx_listener[i].trap_id); | |
2014 | mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(hpkt), hpkt_pl); | |
2015 | ||
2016 | mlxsw_core_rx_listener_unregister(mlxsw_sp->core, | |
2017 | &mlxsw_sp_rx_listener[i], | |
2018 | mlxsw_sp); | |
2019 | } | |
2020 | } | |
2021 | ||
2022 | static int __mlxsw_sp_flood_init(struct mlxsw_core *mlxsw_core, | |
2023 | enum mlxsw_reg_sfgc_type type, | |
2024 | enum mlxsw_reg_sfgc_bridge_type bridge_type) | |
2025 | { | |
2026 | enum mlxsw_flood_table_type table_type; | |
2027 | enum mlxsw_sp_flood_table flood_table; | |
2028 | char sfgc_pl[MLXSW_REG_SFGC_LEN]; | |
2029 | ||
19ae6124 | 2030 | if (bridge_type == MLXSW_REG_SFGC_BRIDGE_TYPE_VFID) |
56ade8fe | 2031 | table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID; |
19ae6124 | 2032 | else |
56ade8fe | 2033 | table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFEST; |
19ae6124 IS |
2034 | |
2035 | if (type == MLXSW_REG_SFGC_TYPE_UNKNOWN_UNICAST) | |
2036 | flood_table = MLXSW_SP_FLOOD_TABLE_UC; | |
2037 | else | |
2038 | flood_table = MLXSW_SP_FLOOD_TABLE_BM; | |
56ade8fe JP |
2039 | |
2040 | mlxsw_reg_sfgc_pack(sfgc_pl, type, bridge_type, table_type, | |
2041 | flood_table); | |
2042 | return mlxsw_reg_write(mlxsw_core, MLXSW_REG(sfgc), sfgc_pl); | |
2043 | } | |
2044 | ||
2045 | static int mlxsw_sp_flood_init(struct mlxsw_sp *mlxsw_sp) | |
2046 | { | |
2047 | int type, err; | |
2048 | ||
56ade8fe JP |
2049 | for (type = 0; type < MLXSW_REG_SFGC_TYPE_MAX; type++) { |
2050 | if (type == MLXSW_REG_SFGC_TYPE_RESERVED) | |
2051 | continue; | |
2052 | ||
2053 | err = __mlxsw_sp_flood_init(mlxsw_sp->core, type, | |
2054 | MLXSW_REG_SFGC_BRIDGE_TYPE_VFID); | |
2055 | if (err) | |
2056 | return err; | |
56ade8fe JP |
2057 | |
2058 | err = __mlxsw_sp_flood_init(mlxsw_sp->core, type, | |
2059 | MLXSW_REG_SFGC_BRIDGE_TYPE_1Q_FID); | |
2060 | if (err) | |
2061 | return err; | |
2062 | } | |
2063 | ||
2064 | return 0; | |
2065 | } | |
2066 | ||
0d65fc13 JP |
2067 | static int mlxsw_sp_lag_init(struct mlxsw_sp *mlxsw_sp) |
2068 | { | |
2069 | char slcr_pl[MLXSW_REG_SLCR_LEN]; | |
2070 | ||
2071 | mlxsw_reg_slcr_pack(slcr_pl, MLXSW_REG_SLCR_LAG_HASH_SMAC | | |
2072 | MLXSW_REG_SLCR_LAG_HASH_DMAC | | |
2073 | MLXSW_REG_SLCR_LAG_HASH_ETHERTYPE | | |
2074 | MLXSW_REG_SLCR_LAG_HASH_VLANID | | |
2075 | MLXSW_REG_SLCR_LAG_HASH_SIP | | |
2076 | MLXSW_REG_SLCR_LAG_HASH_DIP | | |
2077 | MLXSW_REG_SLCR_LAG_HASH_SPORT | | |
2078 | MLXSW_REG_SLCR_LAG_HASH_DPORT | | |
2079 | MLXSW_REG_SLCR_LAG_HASH_IPPROTO); | |
2080 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcr), slcr_pl); | |
2081 | } | |
2082 | ||
56ade8fe JP |
2083 | static int mlxsw_sp_init(void *priv, struct mlxsw_core *mlxsw_core, |
2084 | const struct mlxsw_bus_info *mlxsw_bus_info) | |
2085 | { | |
2086 | struct mlxsw_sp *mlxsw_sp = priv; | |
2087 | int err; | |
2088 | ||
2089 | mlxsw_sp->core = mlxsw_core; | |
2090 | mlxsw_sp->bus_info = mlxsw_bus_info; | |
7f71eb46 | 2091 | INIT_LIST_HEAD(&mlxsw_sp->port_vfids.list); |
26f0e7fb | 2092 | INIT_LIST_HEAD(&mlxsw_sp->br_vfids.list); |
3a49b4fd | 2093 | INIT_LIST_HEAD(&mlxsw_sp->br_mids.list); |
56ade8fe JP |
2094 | |
2095 | err = mlxsw_sp_base_mac_get(mlxsw_sp); | |
2096 | if (err) { | |
2097 | dev_err(mlxsw_sp->bus_info->dev, "Failed to get base mac\n"); | |
2098 | return err; | |
2099 | } | |
2100 | ||
2101 | err = mlxsw_sp_ports_create(mlxsw_sp); | |
2102 | if (err) { | |
2103 | dev_err(mlxsw_sp->bus_info->dev, "Failed to create ports\n"); | |
7f71eb46 | 2104 | return err; |
56ade8fe JP |
2105 | } |
2106 | ||
2107 | err = mlxsw_sp_event_register(mlxsw_sp, MLXSW_TRAP_ID_PUDE); | |
2108 | if (err) { | |
2109 | dev_err(mlxsw_sp->bus_info->dev, "Failed to register for PUDE events\n"); | |
2110 | goto err_event_register; | |
2111 | } | |
2112 | ||
2113 | err = mlxsw_sp_traps_init(mlxsw_sp); | |
2114 | if (err) { | |
2115 | dev_err(mlxsw_sp->bus_info->dev, "Failed to set traps for RX\n"); | |
2116 | goto err_rx_listener_register; | |
2117 | } | |
2118 | ||
2119 | err = mlxsw_sp_flood_init(mlxsw_sp); | |
2120 | if (err) { | |
2121 | dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize flood tables\n"); | |
2122 | goto err_flood_init; | |
2123 | } | |
2124 | ||
2125 | err = mlxsw_sp_buffers_init(mlxsw_sp); | |
2126 | if (err) { | |
2127 | dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize buffers\n"); | |
2128 | goto err_buffers_init; | |
2129 | } | |
2130 | ||
0d65fc13 JP |
2131 | err = mlxsw_sp_lag_init(mlxsw_sp); |
2132 | if (err) { | |
2133 | dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize LAG\n"); | |
2134 | goto err_lag_init; | |
2135 | } | |
2136 | ||
56ade8fe JP |
2137 | err = mlxsw_sp_switchdev_init(mlxsw_sp); |
2138 | if (err) { | |
2139 | dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize switchdev\n"); | |
2140 | goto err_switchdev_init; | |
2141 | } | |
2142 | ||
2143 | return 0; | |
2144 | ||
2145 | err_switchdev_init: | |
0d65fc13 | 2146 | err_lag_init: |
56ade8fe JP |
2147 | err_buffers_init: |
2148 | err_flood_init: | |
2149 | mlxsw_sp_traps_fini(mlxsw_sp); | |
2150 | err_rx_listener_register: | |
2151 | mlxsw_sp_event_unregister(mlxsw_sp, MLXSW_TRAP_ID_PUDE); | |
2152 | err_event_register: | |
2153 | mlxsw_sp_ports_remove(mlxsw_sp); | |
56ade8fe JP |
2154 | return err; |
2155 | } | |
2156 | ||
2157 | static void mlxsw_sp_fini(void *priv) | |
2158 | { | |
2159 | struct mlxsw_sp *mlxsw_sp = priv; | |
2160 | ||
2161 | mlxsw_sp_switchdev_fini(mlxsw_sp); | |
2162 | mlxsw_sp_traps_fini(mlxsw_sp); | |
2163 | mlxsw_sp_event_unregister(mlxsw_sp, MLXSW_TRAP_ID_PUDE); | |
2164 | mlxsw_sp_ports_remove(mlxsw_sp); | |
56ade8fe JP |
2165 | } |
2166 | ||
2167 | static struct mlxsw_config_profile mlxsw_sp_config_profile = { | |
2168 | .used_max_vepa_channels = 1, | |
2169 | .max_vepa_channels = 0, | |
2170 | .used_max_lag = 1, | |
0d65fc13 | 2171 | .max_lag = MLXSW_SP_LAG_MAX, |
56ade8fe | 2172 | .used_max_port_per_lag = 1, |
0d65fc13 | 2173 | .max_port_per_lag = MLXSW_SP_PORT_PER_LAG_MAX, |
56ade8fe | 2174 | .used_max_mid = 1, |
53ae6283 | 2175 | .max_mid = MLXSW_SP_MID_MAX, |
56ade8fe JP |
2176 | .used_max_pgt = 1, |
2177 | .max_pgt = 0, | |
2178 | .used_max_system_port = 1, | |
2179 | .max_system_port = 64, | |
2180 | .used_max_vlan_groups = 1, | |
2181 | .max_vlan_groups = 127, | |
2182 | .used_max_regions = 1, | |
2183 | .max_regions = 400, | |
2184 | .used_flood_tables = 1, | |
2185 | .used_flood_mode = 1, | |
2186 | .flood_mode = 3, | |
2187 | .max_fid_offset_flood_tables = 2, | |
2188 | .fid_offset_flood_table_size = VLAN_N_VID - 1, | |
19ae6124 IS |
2189 | .max_fid_flood_tables = 2, |
2190 | .fid_flood_table_size = MLXSW_SP_VFID_MAX, | |
56ade8fe JP |
2191 | .used_max_ib_mc = 1, |
2192 | .max_ib_mc = 0, | |
2193 | .used_max_pkey = 1, | |
2194 | .max_pkey = 0, | |
2195 | .swid_config = { | |
2196 | { | |
2197 | .used_type = 1, | |
2198 | .type = MLXSW_PORT_SWID_TYPE_ETH, | |
2199 | } | |
2200 | }, | |
2201 | }; | |
2202 | ||
2203 | static struct mlxsw_driver mlxsw_sp_driver = { | |
2204 | .kind = MLXSW_DEVICE_KIND_SPECTRUM, | |
2205 | .owner = THIS_MODULE, | |
2206 | .priv_size = sizeof(struct mlxsw_sp), | |
2207 | .init = mlxsw_sp_init, | |
2208 | .fini = mlxsw_sp_fini, | |
18f1e70c IS |
2209 | .port_split = mlxsw_sp_port_split, |
2210 | .port_unsplit = mlxsw_sp_port_unsplit, | |
56ade8fe JP |
2211 | .txhdr_construct = mlxsw_sp_txhdr_construct, |
2212 | .txhdr_len = MLXSW_TXHDR_LEN, | |
2213 | .profile = &mlxsw_sp_config_profile, | |
2214 | }; | |
2215 | ||
039c49a6 IS |
2216 | static int |
2217 | mlxsw_sp_port_fdb_flush_by_port(const struct mlxsw_sp_port *mlxsw_sp_port) | |
2218 | { | |
2219 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
2220 | char sfdf_pl[MLXSW_REG_SFDF_LEN]; | |
2221 | ||
2222 | mlxsw_reg_sfdf_pack(sfdf_pl, MLXSW_REG_SFDF_FLUSH_PER_PORT); | |
2223 | mlxsw_reg_sfdf_system_port_set(sfdf_pl, mlxsw_sp_port->local_port); | |
2224 | ||
2225 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdf), sfdf_pl); | |
2226 | } | |
2227 | ||
2228 | static int | |
2229 | mlxsw_sp_port_fdb_flush_by_port_fid(const struct mlxsw_sp_port *mlxsw_sp_port, | |
2230 | u16 fid) | |
2231 | { | |
2232 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
2233 | char sfdf_pl[MLXSW_REG_SFDF_LEN]; | |
2234 | ||
2235 | mlxsw_reg_sfdf_pack(sfdf_pl, MLXSW_REG_SFDF_FLUSH_PER_PORT_AND_FID); | |
2236 | mlxsw_reg_sfdf_fid_set(sfdf_pl, fid); | |
2237 | mlxsw_reg_sfdf_port_fid_system_port_set(sfdf_pl, | |
2238 | mlxsw_sp_port->local_port); | |
2239 | ||
2240 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdf), sfdf_pl); | |
2241 | } | |
2242 | ||
2243 | static int | |
2244 | mlxsw_sp_port_fdb_flush_by_lag_id(const struct mlxsw_sp_port *mlxsw_sp_port) | |
2245 | { | |
2246 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
2247 | char sfdf_pl[MLXSW_REG_SFDF_LEN]; | |
2248 | ||
2249 | mlxsw_reg_sfdf_pack(sfdf_pl, MLXSW_REG_SFDF_FLUSH_PER_LAG); | |
2250 | mlxsw_reg_sfdf_lag_id_set(sfdf_pl, mlxsw_sp_port->lag_id); | |
2251 | ||
2252 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdf), sfdf_pl); | |
2253 | } | |
2254 | ||
2255 | static int | |
2256 | mlxsw_sp_port_fdb_flush_by_lag_id_fid(const struct mlxsw_sp_port *mlxsw_sp_port, | |
2257 | u16 fid) | |
2258 | { | |
2259 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
2260 | char sfdf_pl[MLXSW_REG_SFDF_LEN]; | |
2261 | ||
2262 | mlxsw_reg_sfdf_pack(sfdf_pl, MLXSW_REG_SFDF_FLUSH_PER_LAG_AND_FID); | |
2263 | mlxsw_reg_sfdf_fid_set(sfdf_pl, fid); | |
2264 | mlxsw_reg_sfdf_lag_fid_lag_id_set(sfdf_pl, mlxsw_sp_port->lag_id); | |
2265 | ||
2266 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdf), sfdf_pl); | |
2267 | } | |
2268 | ||
2269 | static int | |
2270 | __mlxsw_sp_port_fdb_flush(const struct mlxsw_sp_port *mlxsw_sp_port) | |
2271 | { | |
2272 | int err, last_err = 0; | |
2273 | u16 vid; | |
2274 | ||
2275 | for (vid = 1; vid < VLAN_N_VID - 1; vid++) { | |
2276 | err = mlxsw_sp_port_fdb_flush_by_port_fid(mlxsw_sp_port, vid); | |
2277 | if (err) | |
2278 | last_err = err; | |
2279 | } | |
2280 | ||
2281 | return last_err; | |
2282 | } | |
2283 | ||
2284 | static int | |
2285 | __mlxsw_sp_port_fdb_flush_lagged(const struct mlxsw_sp_port *mlxsw_sp_port) | |
2286 | { | |
2287 | int err, last_err = 0; | |
2288 | u16 vid; | |
2289 | ||
2290 | for (vid = 1; vid < VLAN_N_VID - 1; vid++) { | |
2291 | err = mlxsw_sp_port_fdb_flush_by_lag_id_fid(mlxsw_sp_port, vid); | |
2292 | if (err) | |
2293 | last_err = err; | |
2294 | } | |
2295 | ||
2296 | return last_err; | |
2297 | } | |
2298 | ||
2299 | static int mlxsw_sp_port_fdb_flush(struct mlxsw_sp_port *mlxsw_sp_port) | |
2300 | { | |
2301 | if (!list_empty(&mlxsw_sp_port->vports_list)) | |
2302 | if (mlxsw_sp_port->lagged) | |
2303 | return __mlxsw_sp_port_fdb_flush_lagged(mlxsw_sp_port); | |
2304 | else | |
2305 | return __mlxsw_sp_port_fdb_flush(mlxsw_sp_port); | |
2306 | else | |
2307 | if (mlxsw_sp_port->lagged) | |
2308 | return mlxsw_sp_port_fdb_flush_by_lag_id(mlxsw_sp_port); | |
2309 | else | |
2310 | return mlxsw_sp_port_fdb_flush_by_port(mlxsw_sp_port); | |
2311 | } | |
2312 | ||
2313 | static int mlxsw_sp_vport_fdb_flush(struct mlxsw_sp_port *mlxsw_sp_vport) | |
2314 | { | |
2315 | u16 vfid = mlxsw_sp_vport_vfid_get(mlxsw_sp_vport); | |
2316 | u16 fid = mlxsw_sp_vfid_to_fid(vfid); | |
2317 | ||
2318 | if (mlxsw_sp_vport->lagged) | |
2319 | return mlxsw_sp_port_fdb_flush_by_lag_id_fid(mlxsw_sp_vport, | |
2320 | fid); | |
2321 | else | |
2322 | return mlxsw_sp_port_fdb_flush_by_port_fid(mlxsw_sp_vport, fid); | |
2323 | } | |
2324 | ||
56ade8fe JP |
2325 | static bool mlxsw_sp_port_dev_check(const struct net_device *dev) |
2326 | { | |
2327 | return dev->netdev_ops == &mlxsw_sp_port_netdev_ops; | |
2328 | } | |
2329 | ||
2330 | static int mlxsw_sp_port_bridge_join(struct mlxsw_sp_port *mlxsw_sp_port) | |
2331 | { | |
2332 | struct net_device *dev = mlxsw_sp_port->dev; | |
2333 | int err; | |
2334 | ||
2335 | /* When port is not bridged untagged packets are tagged with | |
2336 | * PVID=VID=1, thereby creating an implicit VLAN interface in | |
2337 | * the device. Remove it and let bridge code take care of its | |
2338 | * own VLANs. | |
2339 | */ | |
2340 | err = mlxsw_sp_port_kill_vid(dev, 0, 1); | |
6c72a3d0 IS |
2341 | if (err) |
2342 | return err; | |
56ade8fe | 2343 | |
6c72a3d0 IS |
2344 | mlxsw_sp_port->learning = 1; |
2345 | mlxsw_sp_port->learning_sync = 1; | |
2346 | mlxsw_sp_port->uc_flood = 1; | |
2347 | mlxsw_sp_port->bridged = 1; | |
2348 | ||
2349 | return 0; | |
56ade8fe JP |
2350 | } |
2351 | ||
039c49a6 IS |
2352 | static int mlxsw_sp_port_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_port, |
2353 | bool flush_fdb) | |
56ade8fe JP |
2354 | { |
2355 | struct net_device *dev = mlxsw_sp_port->dev; | |
5a8f4525 | 2356 | |
039c49a6 IS |
2357 | if (flush_fdb && mlxsw_sp_port_fdb_flush(mlxsw_sp_port)) |
2358 | netdev_err(mlxsw_sp_port->dev, "Failed to flush FDB\n"); | |
2359 | ||
28a01d2d IS |
2360 | mlxsw_sp_port_pvid_set(mlxsw_sp_port, 1); |
2361 | ||
6c72a3d0 IS |
2362 | mlxsw_sp_port->learning = 0; |
2363 | mlxsw_sp_port->learning_sync = 0; | |
2364 | mlxsw_sp_port->uc_flood = 0; | |
5a8f4525 | 2365 | mlxsw_sp_port->bridged = 0; |
56ade8fe JP |
2366 | |
2367 | /* Add implicit VLAN interface in the device, so that untagged | |
2368 | * packets will be classified to the default vFID. | |
2369 | */ | |
5a8f4525 | 2370 | return mlxsw_sp_port_add_vid(dev, 0, 1); |
56ade8fe JP |
2371 | } |
2372 | ||
2373 | static bool mlxsw_sp_master_bridge_check(struct mlxsw_sp *mlxsw_sp, | |
2374 | struct net_device *br_dev) | |
2375 | { | |
2376 | return !mlxsw_sp->master_bridge.dev || | |
2377 | mlxsw_sp->master_bridge.dev == br_dev; | |
2378 | } | |
2379 | ||
2380 | static void mlxsw_sp_master_bridge_inc(struct mlxsw_sp *mlxsw_sp, | |
2381 | struct net_device *br_dev) | |
2382 | { | |
2383 | mlxsw_sp->master_bridge.dev = br_dev; | |
2384 | mlxsw_sp->master_bridge.ref_count++; | |
2385 | } | |
2386 | ||
2387 | static void mlxsw_sp_master_bridge_dec(struct mlxsw_sp *mlxsw_sp, | |
2388 | struct net_device *br_dev) | |
2389 | { | |
2390 | if (--mlxsw_sp->master_bridge.ref_count == 0) | |
2391 | mlxsw_sp->master_bridge.dev = NULL; | |
2392 | } | |
2393 | ||
0d65fc13 JP |
2394 | static int mlxsw_sp_lag_create(struct mlxsw_sp *mlxsw_sp, u16 lag_id) |
2395 | { | |
2396 | char sldr_pl[MLXSW_REG_SLDR_LEN]; | |
2397 | ||
2398 | mlxsw_reg_sldr_lag_create_pack(sldr_pl, lag_id); | |
2399 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); | |
2400 | } | |
2401 | ||
2402 | static int mlxsw_sp_lag_destroy(struct mlxsw_sp *mlxsw_sp, u16 lag_id) | |
2403 | { | |
2404 | char sldr_pl[MLXSW_REG_SLDR_LEN]; | |
2405 | ||
2406 | mlxsw_reg_sldr_lag_destroy_pack(sldr_pl, lag_id); | |
2407 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); | |
2408 | } | |
2409 | ||
2410 | static int mlxsw_sp_lag_col_port_add(struct mlxsw_sp_port *mlxsw_sp_port, | |
2411 | u16 lag_id, u8 port_index) | |
2412 | { | |
2413 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
2414 | char slcor_pl[MLXSW_REG_SLCOR_LEN]; | |
2415 | ||
2416 | mlxsw_reg_slcor_port_add_pack(slcor_pl, mlxsw_sp_port->local_port, | |
2417 | lag_id, port_index); | |
2418 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); | |
2419 | } | |
2420 | ||
2421 | static int mlxsw_sp_lag_col_port_remove(struct mlxsw_sp_port *mlxsw_sp_port, | |
2422 | u16 lag_id) | |
2423 | { | |
2424 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
2425 | char slcor_pl[MLXSW_REG_SLCOR_LEN]; | |
2426 | ||
2427 | mlxsw_reg_slcor_port_remove_pack(slcor_pl, mlxsw_sp_port->local_port, | |
2428 | lag_id); | |
2429 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); | |
2430 | } | |
2431 | ||
2432 | static int mlxsw_sp_lag_col_port_enable(struct mlxsw_sp_port *mlxsw_sp_port, | |
2433 | u16 lag_id) | |
2434 | { | |
2435 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
2436 | char slcor_pl[MLXSW_REG_SLCOR_LEN]; | |
2437 | ||
2438 | mlxsw_reg_slcor_col_enable_pack(slcor_pl, mlxsw_sp_port->local_port, | |
2439 | lag_id); | |
2440 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); | |
2441 | } | |
2442 | ||
2443 | static int mlxsw_sp_lag_col_port_disable(struct mlxsw_sp_port *mlxsw_sp_port, | |
2444 | u16 lag_id) | |
2445 | { | |
2446 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
2447 | char slcor_pl[MLXSW_REG_SLCOR_LEN]; | |
2448 | ||
2449 | mlxsw_reg_slcor_col_disable_pack(slcor_pl, mlxsw_sp_port->local_port, | |
2450 | lag_id); | |
2451 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); | |
2452 | } | |
2453 | ||
2454 | static int mlxsw_sp_lag_index_get(struct mlxsw_sp *mlxsw_sp, | |
2455 | struct net_device *lag_dev, | |
2456 | u16 *p_lag_id) | |
2457 | { | |
2458 | struct mlxsw_sp_upper *lag; | |
2459 | int free_lag_id = -1; | |
2460 | int i; | |
2461 | ||
2462 | for (i = 0; i < MLXSW_SP_LAG_MAX; i++) { | |
2463 | lag = mlxsw_sp_lag_get(mlxsw_sp, i); | |
2464 | if (lag->ref_count) { | |
2465 | if (lag->dev == lag_dev) { | |
2466 | *p_lag_id = i; | |
2467 | return 0; | |
2468 | } | |
2469 | } else if (free_lag_id < 0) { | |
2470 | free_lag_id = i; | |
2471 | } | |
2472 | } | |
2473 | if (free_lag_id < 0) | |
2474 | return -EBUSY; | |
2475 | *p_lag_id = free_lag_id; | |
2476 | return 0; | |
2477 | } | |
2478 | ||
2479 | static bool | |
2480 | mlxsw_sp_master_lag_check(struct mlxsw_sp *mlxsw_sp, | |
2481 | struct net_device *lag_dev, | |
2482 | struct netdev_lag_upper_info *lag_upper_info) | |
2483 | { | |
2484 | u16 lag_id; | |
2485 | ||
2486 | if (mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id) != 0) | |
2487 | return false; | |
2488 | if (lag_upper_info->tx_type != NETDEV_LAG_TX_TYPE_HASH) | |
2489 | return false; | |
2490 | return true; | |
2491 | } | |
2492 | ||
2493 | static int mlxsw_sp_port_lag_index_get(struct mlxsw_sp *mlxsw_sp, | |
2494 | u16 lag_id, u8 *p_port_index) | |
2495 | { | |
2496 | int i; | |
2497 | ||
2498 | for (i = 0; i < MLXSW_SP_PORT_PER_LAG_MAX; i++) { | |
2499 | if (!mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i)) { | |
2500 | *p_port_index = i; | |
2501 | return 0; | |
2502 | } | |
2503 | } | |
2504 | return -EBUSY; | |
2505 | } | |
2506 | ||
2507 | static int mlxsw_sp_port_lag_join(struct mlxsw_sp_port *mlxsw_sp_port, | |
2508 | struct net_device *lag_dev) | |
2509 | { | |
2510 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
2511 | struct mlxsw_sp_upper *lag; | |
2512 | u16 lag_id; | |
2513 | u8 port_index; | |
2514 | int err; | |
2515 | ||
2516 | err = mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id); | |
2517 | if (err) | |
2518 | return err; | |
2519 | lag = mlxsw_sp_lag_get(mlxsw_sp, lag_id); | |
2520 | if (!lag->ref_count) { | |
2521 | err = mlxsw_sp_lag_create(mlxsw_sp, lag_id); | |
2522 | if (err) | |
2523 | return err; | |
2524 | lag->dev = lag_dev; | |
2525 | } | |
2526 | ||
2527 | err = mlxsw_sp_port_lag_index_get(mlxsw_sp, lag_id, &port_index); | |
2528 | if (err) | |
2529 | return err; | |
2530 | err = mlxsw_sp_lag_col_port_add(mlxsw_sp_port, lag_id, port_index); | |
2531 | if (err) | |
2532 | goto err_col_port_add; | |
2533 | err = mlxsw_sp_lag_col_port_enable(mlxsw_sp_port, lag_id); | |
2534 | if (err) | |
2535 | goto err_col_port_enable; | |
2536 | ||
2537 | mlxsw_core_lag_mapping_set(mlxsw_sp->core, lag_id, port_index, | |
2538 | mlxsw_sp_port->local_port); | |
2539 | mlxsw_sp_port->lag_id = lag_id; | |
2540 | mlxsw_sp_port->lagged = 1; | |
2541 | lag->ref_count++; | |
2542 | return 0; | |
2543 | ||
2544 | err_col_port_add: | |
2545 | if (!lag->ref_count) | |
2546 | mlxsw_sp_lag_destroy(mlxsw_sp, lag_id); | |
2547 | err_col_port_enable: | |
2548 | mlxsw_sp_lag_col_port_remove(mlxsw_sp_port, lag_id); | |
2549 | return err; | |
2550 | } | |
2551 | ||
4dc236c3 | 2552 | static int mlxsw_sp_vport_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_vport, |
039c49a6 IS |
2553 | struct net_device *br_dev, |
2554 | bool flush_fdb); | |
4dc236c3 | 2555 | |
0d65fc13 JP |
2556 | static int mlxsw_sp_port_lag_leave(struct mlxsw_sp_port *mlxsw_sp_port, |
2557 | struct net_device *lag_dev) | |
2558 | { | |
2559 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
4dc236c3 | 2560 | struct mlxsw_sp_port *mlxsw_sp_vport; |
0d65fc13 JP |
2561 | struct mlxsw_sp_upper *lag; |
2562 | u16 lag_id = mlxsw_sp_port->lag_id; | |
2563 | int err; | |
2564 | ||
2565 | if (!mlxsw_sp_port->lagged) | |
2566 | return 0; | |
2567 | lag = mlxsw_sp_lag_get(mlxsw_sp, lag_id); | |
2568 | WARN_ON(lag->ref_count == 0); | |
2569 | ||
2570 | err = mlxsw_sp_lag_col_port_disable(mlxsw_sp_port, lag_id); | |
2571 | if (err) | |
2572 | return err; | |
82a06429 | 2573 | err = mlxsw_sp_lag_col_port_remove(mlxsw_sp_port, lag_id); |
0d65fc13 JP |
2574 | if (err) |
2575 | return err; | |
2576 | ||
4dc236c3 IS |
2577 | /* In case we leave a LAG device that has bridges built on top, |
2578 | * then their teardown sequence is never issued and we need to | |
2579 | * invoke the necessary cleanup routines ourselves. | |
2580 | */ | |
2581 | list_for_each_entry(mlxsw_sp_vport, &mlxsw_sp_port->vports_list, | |
2582 | vport.list) { | |
2583 | struct net_device *br_dev; | |
2584 | ||
2585 | if (!mlxsw_sp_vport->bridged) | |
2586 | continue; | |
2587 | ||
2588 | br_dev = mlxsw_sp_vport_br_get(mlxsw_sp_vport); | |
039c49a6 | 2589 | mlxsw_sp_vport_bridge_leave(mlxsw_sp_vport, br_dev, false); |
4dc236c3 IS |
2590 | } |
2591 | ||
2592 | if (mlxsw_sp_port->bridged) { | |
2593 | mlxsw_sp_port_active_vlans_del(mlxsw_sp_port); | |
039c49a6 | 2594 | mlxsw_sp_port_bridge_leave(mlxsw_sp_port, false); |
912b1c89 | 2595 | mlxsw_sp_master_bridge_dec(mlxsw_sp, NULL); |
4dc236c3 IS |
2596 | } |
2597 | ||
0d65fc13 | 2598 | if (lag->ref_count == 1) { |
039c49a6 IS |
2599 | if (mlxsw_sp_port_fdb_flush_by_lag_id(mlxsw_sp_port)) |
2600 | netdev_err(mlxsw_sp_port->dev, "Failed to flush FDB\n"); | |
0d65fc13 JP |
2601 | err = mlxsw_sp_lag_destroy(mlxsw_sp, lag_id); |
2602 | if (err) | |
2603 | return err; | |
2604 | } | |
2605 | ||
2606 | mlxsw_core_lag_mapping_clear(mlxsw_sp->core, lag_id, | |
2607 | mlxsw_sp_port->local_port); | |
2608 | mlxsw_sp_port->lagged = 0; | |
2609 | lag->ref_count--; | |
2610 | return 0; | |
2611 | } | |
2612 | ||
74581206 JP |
2613 | static int mlxsw_sp_lag_dist_port_add(struct mlxsw_sp_port *mlxsw_sp_port, |
2614 | u16 lag_id) | |
2615 | { | |
2616 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
2617 | char sldr_pl[MLXSW_REG_SLDR_LEN]; | |
2618 | ||
2619 | mlxsw_reg_sldr_lag_add_port_pack(sldr_pl, lag_id, | |
2620 | mlxsw_sp_port->local_port); | |
2621 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); | |
2622 | } | |
2623 | ||
2624 | static int mlxsw_sp_lag_dist_port_remove(struct mlxsw_sp_port *mlxsw_sp_port, | |
2625 | u16 lag_id) | |
2626 | { | |
2627 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
2628 | char sldr_pl[MLXSW_REG_SLDR_LEN]; | |
2629 | ||
2630 | mlxsw_reg_sldr_lag_remove_port_pack(sldr_pl, lag_id, | |
2631 | mlxsw_sp_port->local_port); | |
2632 | return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); | |
2633 | } | |
2634 | ||
2635 | static int mlxsw_sp_port_lag_tx_en_set(struct mlxsw_sp_port *mlxsw_sp_port, | |
2636 | bool lag_tx_enabled) | |
2637 | { | |
2638 | if (lag_tx_enabled) | |
2639 | return mlxsw_sp_lag_dist_port_add(mlxsw_sp_port, | |
2640 | mlxsw_sp_port->lag_id); | |
2641 | else | |
2642 | return mlxsw_sp_lag_dist_port_remove(mlxsw_sp_port, | |
2643 | mlxsw_sp_port->lag_id); | |
2644 | } | |
2645 | ||
2646 | static int mlxsw_sp_port_lag_changed(struct mlxsw_sp_port *mlxsw_sp_port, | |
2647 | struct netdev_lag_lower_state_info *info) | |
2648 | { | |
2649 | return mlxsw_sp_port_lag_tx_en_set(mlxsw_sp_port, info->tx_enabled); | |
2650 | } | |
2651 | ||
9589a7b5 IS |
2652 | static int mlxsw_sp_port_vlan_link(struct mlxsw_sp_port *mlxsw_sp_port, |
2653 | struct net_device *vlan_dev) | |
2654 | { | |
2655 | struct mlxsw_sp_port *mlxsw_sp_vport; | |
2656 | u16 vid = vlan_dev_vlan_id(vlan_dev); | |
2657 | ||
2658 | mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, vid); | |
2659 | if (!mlxsw_sp_vport) { | |
2660 | WARN_ON(!mlxsw_sp_vport); | |
2661 | return -EINVAL; | |
2662 | } | |
2663 | ||
2664 | mlxsw_sp_vport->dev = vlan_dev; | |
2665 | ||
2666 | return 0; | |
2667 | } | |
2668 | ||
2669 | static int mlxsw_sp_port_vlan_unlink(struct mlxsw_sp_port *mlxsw_sp_port, | |
2670 | struct net_device *vlan_dev) | |
2671 | { | |
2672 | struct mlxsw_sp_port *mlxsw_sp_vport; | |
2673 | u16 vid = vlan_dev_vlan_id(vlan_dev); | |
2674 | ||
2675 | mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, vid); | |
2676 | if (!mlxsw_sp_vport) { | |
2677 | WARN_ON(!mlxsw_sp_vport); | |
2678 | return -EINVAL; | |
2679 | } | |
2680 | ||
26f0e7fb IS |
2681 | /* When removing a VLAN device while still bridged we should first |
2682 | * remove it from the bridge, as we receive the bridge's notification | |
2683 | * when the vPort is already gone. | |
2684 | */ | |
2685 | if (mlxsw_sp_vport->bridged) { | |
2686 | struct net_device *br_dev; | |
2687 | ||
2688 | br_dev = mlxsw_sp_vport_br_get(mlxsw_sp_vport); | |
039c49a6 | 2689 | mlxsw_sp_vport_bridge_leave(mlxsw_sp_vport, br_dev, true); |
26f0e7fb IS |
2690 | } |
2691 | ||
9589a7b5 IS |
2692 | mlxsw_sp_vport->dev = mlxsw_sp_port->dev; |
2693 | ||
2694 | return 0; | |
2695 | } | |
2696 | ||
74581206 JP |
2697 | static int mlxsw_sp_netdevice_port_upper_event(struct net_device *dev, |
2698 | unsigned long event, void *ptr) | |
56ade8fe | 2699 | { |
56ade8fe JP |
2700 | struct netdev_notifier_changeupper_info *info; |
2701 | struct mlxsw_sp_port *mlxsw_sp_port; | |
2702 | struct net_device *upper_dev; | |
2703 | struct mlxsw_sp *mlxsw_sp; | |
2704 | int err; | |
2705 | ||
56ade8fe JP |
2706 | mlxsw_sp_port = netdev_priv(dev); |
2707 | mlxsw_sp = mlxsw_sp_port->mlxsw_sp; | |
2708 | info = ptr; | |
2709 | ||
2710 | switch (event) { | |
2711 | case NETDEV_PRECHANGEUPPER: | |
2712 | upper_dev = info->upper_dev; | |
0d65fc13 JP |
2713 | if (!info->master || !info->linking) |
2714 | break; | |
56ade8fe | 2715 | /* HW limitation forbids to put ports to multiple bridges. */ |
0d65fc13 | 2716 | if (netif_is_bridge_master(upper_dev) && |
56ade8fe JP |
2717 | !mlxsw_sp_master_bridge_check(mlxsw_sp, upper_dev)) |
2718 | return NOTIFY_BAD; | |
0d65fc13 JP |
2719 | if (netif_is_lag_master(upper_dev) && |
2720 | !mlxsw_sp_master_lag_check(mlxsw_sp, upper_dev, | |
2721 | info->upper_info)) | |
2722 | return NOTIFY_BAD; | |
56ade8fe JP |
2723 | break; |
2724 | case NETDEV_CHANGEUPPER: | |
2725 | upper_dev = info->upper_dev; | |
9589a7b5 IS |
2726 | if (is_vlan_dev(upper_dev)) { |
2727 | if (info->linking) { | |
2728 | err = mlxsw_sp_port_vlan_link(mlxsw_sp_port, | |
2729 | upper_dev); | |
2730 | if (err) { | |
2731 | netdev_err(dev, "Failed to link VLAN device\n"); | |
2732 | return NOTIFY_BAD; | |
2733 | } | |
2734 | } else { | |
2735 | err = mlxsw_sp_port_vlan_unlink(mlxsw_sp_port, | |
2736 | upper_dev); | |
2737 | if (err) { | |
2738 | netdev_err(dev, "Failed to unlink VLAN device\n"); | |
2739 | return NOTIFY_BAD; | |
2740 | } | |
2741 | } | |
2742 | } else if (netif_is_bridge_master(upper_dev)) { | |
56ade8fe JP |
2743 | if (info->linking) { |
2744 | err = mlxsw_sp_port_bridge_join(mlxsw_sp_port); | |
78124078 | 2745 | if (err) { |
56ade8fe | 2746 | netdev_err(dev, "Failed to join bridge\n"); |
78124078 IS |
2747 | return NOTIFY_BAD; |
2748 | } | |
56ade8fe | 2749 | mlxsw_sp_master_bridge_inc(mlxsw_sp, upper_dev); |
56ade8fe | 2750 | } else { |
039c49a6 IS |
2751 | err = mlxsw_sp_port_bridge_leave(mlxsw_sp_port, |
2752 | true); | |
56ade8fe | 2753 | mlxsw_sp_master_bridge_dec(mlxsw_sp, upper_dev); |
78124078 IS |
2754 | if (err) { |
2755 | netdev_err(dev, "Failed to leave bridge\n"); | |
2756 | return NOTIFY_BAD; | |
2757 | } | |
56ade8fe | 2758 | } |
0d65fc13 JP |
2759 | } else if (netif_is_lag_master(upper_dev)) { |
2760 | if (info->linking) { | |
2761 | err = mlxsw_sp_port_lag_join(mlxsw_sp_port, | |
2762 | upper_dev); | |
2763 | if (err) { | |
2764 | netdev_err(dev, "Failed to join link aggregation\n"); | |
2765 | return NOTIFY_BAD; | |
2766 | } | |
2767 | } else { | |
2768 | err = mlxsw_sp_port_lag_leave(mlxsw_sp_port, | |
2769 | upper_dev); | |
2770 | if (err) { | |
2771 | netdev_err(dev, "Failed to leave link aggregation\n"); | |
2772 | return NOTIFY_BAD; | |
2773 | } | |
2774 | } | |
56ade8fe JP |
2775 | } |
2776 | break; | |
2777 | } | |
2778 | ||
2779 | return NOTIFY_DONE; | |
2780 | } | |
2781 | ||
74581206 JP |
2782 | static int mlxsw_sp_netdevice_port_lower_event(struct net_device *dev, |
2783 | unsigned long event, void *ptr) | |
2784 | { | |
2785 | struct netdev_notifier_changelowerstate_info *info; | |
2786 | struct mlxsw_sp_port *mlxsw_sp_port; | |
2787 | int err; | |
2788 | ||
2789 | mlxsw_sp_port = netdev_priv(dev); | |
2790 | info = ptr; | |
2791 | ||
2792 | switch (event) { | |
2793 | case NETDEV_CHANGELOWERSTATE: | |
2794 | if (netif_is_lag_port(dev) && mlxsw_sp_port->lagged) { | |
2795 | err = mlxsw_sp_port_lag_changed(mlxsw_sp_port, | |
2796 | info->lower_state_info); | |
2797 | if (err) | |
2798 | netdev_err(dev, "Failed to reflect link aggregation lower state change\n"); | |
2799 | } | |
2800 | break; | |
2801 | } | |
2802 | ||
2803 | return NOTIFY_DONE; | |
2804 | } | |
2805 | ||
2806 | static int mlxsw_sp_netdevice_port_event(struct net_device *dev, | |
2807 | unsigned long event, void *ptr) | |
2808 | { | |
2809 | switch (event) { | |
2810 | case NETDEV_PRECHANGEUPPER: | |
2811 | case NETDEV_CHANGEUPPER: | |
2812 | return mlxsw_sp_netdevice_port_upper_event(dev, event, ptr); | |
2813 | case NETDEV_CHANGELOWERSTATE: | |
2814 | return mlxsw_sp_netdevice_port_lower_event(dev, event, ptr); | |
2815 | } | |
2816 | ||
2817 | return NOTIFY_DONE; | |
2818 | } | |
2819 | ||
0d65fc13 JP |
2820 | static int mlxsw_sp_netdevice_lag_event(struct net_device *lag_dev, |
2821 | unsigned long event, void *ptr) | |
2822 | { | |
2823 | struct net_device *dev; | |
2824 | struct list_head *iter; | |
2825 | int ret; | |
2826 | ||
2827 | netdev_for_each_lower_dev(lag_dev, dev, iter) { | |
2828 | if (mlxsw_sp_port_dev_check(dev)) { | |
2829 | ret = mlxsw_sp_netdevice_port_event(dev, event, ptr); | |
2830 | if (ret == NOTIFY_BAD) | |
2831 | return ret; | |
2832 | } | |
2833 | } | |
2834 | ||
2835 | return NOTIFY_DONE; | |
2836 | } | |
2837 | ||
26f0e7fb IS |
2838 | static struct mlxsw_sp_vfid * |
2839 | mlxsw_sp_br_vfid_find(const struct mlxsw_sp *mlxsw_sp, | |
2840 | const struct net_device *br_dev) | |
2841 | { | |
2842 | struct mlxsw_sp_vfid *vfid; | |
2843 | ||
2844 | list_for_each_entry(vfid, &mlxsw_sp->br_vfids.list, list) { | |
2845 | if (vfid->br_dev == br_dev) | |
2846 | return vfid; | |
2847 | } | |
2848 | ||
2849 | return NULL; | |
2850 | } | |
2851 | ||
2852 | static u16 mlxsw_sp_vfid_to_br_vfid(u16 vfid) | |
2853 | { | |
2854 | return vfid - MLXSW_SP_VFID_PORT_MAX; | |
2855 | } | |
2856 | ||
2857 | static u16 mlxsw_sp_br_vfid_to_vfid(u16 br_vfid) | |
2858 | { | |
2859 | return MLXSW_SP_VFID_PORT_MAX + br_vfid; | |
2860 | } | |
2861 | ||
2862 | static u16 mlxsw_sp_avail_br_vfid_get(const struct mlxsw_sp *mlxsw_sp) | |
2863 | { | |
2864 | return find_first_zero_bit(mlxsw_sp->br_vfids.mapped, | |
2865 | MLXSW_SP_VFID_BR_MAX); | |
2866 | } | |
2867 | ||
2868 | static struct mlxsw_sp_vfid *mlxsw_sp_br_vfid_create(struct mlxsw_sp *mlxsw_sp, | |
2869 | struct net_device *br_dev) | |
2870 | { | |
2871 | struct device *dev = mlxsw_sp->bus_info->dev; | |
2872 | struct mlxsw_sp_vfid *vfid; | |
2873 | u16 n_vfid; | |
2874 | int err; | |
2875 | ||
2876 | n_vfid = mlxsw_sp_br_vfid_to_vfid(mlxsw_sp_avail_br_vfid_get(mlxsw_sp)); | |
2877 | if (n_vfid == MLXSW_SP_VFID_MAX) { | |
2878 | dev_err(dev, "No available vFIDs\n"); | |
2879 | return ERR_PTR(-ERANGE); | |
2880 | } | |
2881 | ||
2882 | err = __mlxsw_sp_vfid_create(mlxsw_sp, n_vfid); | |
2883 | if (err) { | |
2884 | dev_err(dev, "Failed to create vFID=%d\n", n_vfid); | |
2885 | return ERR_PTR(err); | |
2886 | } | |
2887 | ||
2888 | vfid = kzalloc(sizeof(*vfid), GFP_KERNEL); | |
2889 | if (!vfid) | |
2890 | goto err_allocate_vfid; | |
2891 | ||
2892 | vfid->vfid = n_vfid; | |
2893 | vfid->br_dev = br_dev; | |
2894 | ||
2895 | list_add(&vfid->list, &mlxsw_sp->br_vfids.list); | |
2896 | set_bit(mlxsw_sp_vfid_to_br_vfid(n_vfid), mlxsw_sp->br_vfids.mapped); | |
2897 | ||
2898 | return vfid; | |
2899 | ||
2900 | err_allocate_vfid: | |
2901 | __mlxsw_sp_vfid_destroy(mlxsw_sp, n_vfid); | |
2902 | return ERR_PTR(-ENOMEM); | |
2903 | } | |
2904 | ||
2905 | static void mlxsw_sp_br_vfid_destroy(struct mlxsw_sp *mlxsw_sp, | |
2906 | struct mlxsw_sp_vfid *vfid) | |
2907 | { | |
2908 | u16 br_vfid = mlxsw_sp_vfid_to_br_vfid(vfid->vfid); | |
2909 | ||
2910 | clear_bit(br_vfid, mlxsw_sp->br_vfids.mapped); | |
2911 | list_del(&vfid->list); | |
2912 | ||
2913 | __mlxsw_sp_vfid_destroy(mlxsw_sp, vfid->vfid); | |
2914 | ||
2915 | kfree(vfid); | |
2916 | } | |
2917 | ||
2918 | static int mlxsw_sp_vport_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_vport, | |
039c49a6 IS |
2919 | struct net_device *br_dev, |
2920 | bool flush_fdb) | |
26f0e7fb IS |
2921 | { |
2922 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_vport->mlxsw_sp; | |
2923 | u16 vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport); | |
2924 | struct net_device *dev = mlxsw_sp_vport->dev; | |
2925 | struct mlxsw_sp_vfid *vfid, *new_vfid; | |
2926 | int err; | |
2927 | ||
2928 | vfid = mlxsw_sp_br_vfid_find(mlxsw_sp, br_dev); | |
2929 | if (!vfid) { | |
2930 | WARN_ON(!vfid); | |
2931 | return -EINVAL; | |
2932 | } | |
2933 | ||
2934 | /* We need a vFID to go back to after leaving the bridge's vFID. */ | |
2935 | new_vfid = mlxsw_sp_vfid_find(mlxsw_sp, vid); | |
2936 | if (!new_vfid) { | |
2937 | new_vfid = mlxsw_sp_vfid_create(mlxsw_sp, vid); | |
2938 | if (IS_ERR(new_vfid)) { | |
2939 | netdev_err(dev, "Failed to create vFID for VID=%d\n", | |
2940 | vid); | |
2941 | return PTR_ERR(new_vfid); | |
2942 | } | |
2943 | } | |
2944 | ||
2945 | /* Invalidate existing {Port, VID} to vFID mapping and create a new | |
2946 | * one for the new vFID. | |
2947 | */ | |
2948 | err = mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_vport, | |
2949 | MLXSW_REG_SVFA_MT_PORT_VID_TO_FID, | |
2950 | false, | |
2951 | mlxsw_sp_vfid_to_fid(vfid->vfid), | |
2952 | vid); | |
2953 | if (err) { | |
2954 | netdev_err(dev, "Failed to invalidate {Port, VID} to vFID=%d mapping\n", | |
2955 | vfid->vfid); | |
2956 | goto err_port_vid_to_fid_invalidate; | |
2957 | } | |
2958 | ||
2959 | err = mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_vport, | |
2960 | MLXSW_REG_SVFA_MT_PORT_VID_TO_FID, | |
2961 | true, | |
2962 | mlxsw_sp_vfid_to_fid(new_vfid->vfid), | |
2963 | vid); | |
2964 | if (err) { | |
2965 | netdev_err(dev, "Failed to map {Port, VID} to vFID=%d\n", | |
2966 | new_vfid->vfid); | |
2967 | goto err_port_vid_to_fid_validate; | |
2968 | } | |
2969 | ||
2970 | err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_vport, vid, false); | |
2971 | if (err) { | |
2972 | netdev_err(dev, "Failed to disable learning\n"); | |
2973 | goto err_port_vid_learning_set; | |
2974 | } | |
2975 | ||
2976 | err = mlxsw_sp_vport_flood_set(mlxsw_sp_vport, vfid->vfid, false, | |
2977 | false); | |
2978 | if (err) { | |
2979 | netdev_err(dev, "Failed clear to clear flooding\n"); | |
2980 | goto err_vport_flood_set; | |
2981 | } | |
2982 | ||
6a9863a6 IS |
2983 | err = mlxsw_sp_port_stp_state_set(mlxsw_sp_vport, vid, |
2984 | MLXSW_REG_SPMS_STATE_FORWARDING); | |
2985 | if (err) { | |
2986 | netdev_err(dev, "Failed to set STP state\n"); | |
2987 | goto err_port_stp_state_set; | |
2988 | } | |
2989 | ||
039c49a6 IS |
2990 | if (flush_fdb && mlxsw_sp_vport_fdb_flush(mlxsw_sp_vport)) |
2991 | netdev_err(dev, "Failed to flush FDB\n"); | |
2992 | ||
26f0e7fb IS |
2993 | /* Switch between the vFIDs and destroy the old one if needed. */ |
2994 | new_vfid->nr_vports++; | |
2995 | mlxsw_sp_vport->vport.vfid = new_vfid; | |
2996 | vfid->nr_vports--; | |
2997 | if (!vfid->nr_vports) | |
2998 | mlxsw_sp_br_vfid_destroy(mlxsw_sp, vfid); | |
2999 | ||
3000 | mlxsw_sp_vport->learning = 0; | |
3001 | mlxsw_sp_vport->learning_sync = 0; | |
3002 | mlxsw_sp_vport->uc_flood = 0; | |
3003 | mlxsw_sp_vport->bridged = 0; | |
3004 | ||
3005 | return 0; | |
3006 | ||
6a9863a6 | 3007 | err_port_stp_state_set: |
26f0e7fb IS |
3008 | err_vport_flood_set: |
3009 | err_port_vid_learning_set: | |
3010 | err_port_vid_to_fid_validate: | |
3011 | err_port_vid_to_fid_invalidate: | |
3012 | /* Rollback vFID only if new. */ | |
3013 | if (!new_vfid->nr_vports) | |
3014 | mlxsw_sp_vfid_destroy(mlxsw_sp, new_vfid); | |
3015 | return err; | |
3016 | } | |
3017 | ||
3018 | static int mlxsw_sp_vport_bridge_join(struct mlxsw_sp_port *mlxsw_sp_vport, | |
3019 | struct net_device *br_dev) | |
3020 | { | |
3021 | struct mlxsw_sp_vfid *old_vfid = mlxsw_sp_vport->vport.vfid; | |
3022 | struct mlxsw_sp *mlxsw_sp = mlxsw_sp_vport->mlxsw_sp; | |
3023 | u16 vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport); | |
3024 | struct net_device *dev = mlxsw_sp_vport->dev; | |
3025 | struct mlxsw_sp_vfid *vfid; | |
3026 | int err; | |
3027 | ||
3028 | vfid = mlxsw_sp_br_vfid_find(mlxsw_sp, br_dev); | |
3029 | if (!vfid) { | |
3030 | vfid = mlxsw_sp_br_vfid_create(mlxsw_sp, br_dev); | |
3031 | if (IS_ERR(vfid)) { | |
3032 | netdev_err(dev, "Failed to create bridge vFID\n"); | |
3033 | return PTR_ERR(vfid); | |
3034 | } | |
3035 | } | |
3036 | ||
3037 | err = mlxsw_sp_vport_flood_set(mlxsw_sp_vport, vfid->vfid, true, false); | |
3038 | if (err) { | |
3039 | netdev_err(dev, "Failed to setup flooding for vFID=%d\n", | |
3040 | vfid->vfid); | |
3041 | goto err_port_flood_set; | |
3042 | } | |
3043 | ||
3044 | err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_vport, vid, true); | |
3045 | if (err) { | |
3046 | netdev_err(dev, "Failed to enable learning\n"); | |
3047 | goto err_port_vid_learning_set; | |
3048 | } | |
3049 | ||
3050 | /* We need to invalidate existing {Port, VID} to vFID mapping and | |
3051 | * create a new one for the bridge's vFID. | |
3052 | */ | |
3053 | err = mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_vport, | |
3054 | MLXSW_REG_SVFA_MT_PORT_VID_TO_FID, | |
3055 | false, | |
3056 | mlxsw_sp_vfid_to_fid(old_vfid->vfid), | |
3057 | vid); | |
3058 | if (err) { | |
3059 | netdev_err(dev, "Failed to invalidate {Port, VID} to vFID=%d mapping\n", | |
3060 | old_vfid->vfid); | |
3061 | goto err_port_vid_to_fid_invalidate; | |
3062 | } | |
3063 | ||
3064 | err = mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_vport, | |
3065 | MLXSW_REG_SVFA_MT_PORT_VID_TO_FID, | |
3066 | true, | |
3067 | mlxsw_sp_vfid_to_fid(vfid->vfid), | |
3068 | vid); | |
3069 | if (err) { | |
3070 | netdev_err(dev, "Failed to map {Port, VID} to vFID=%d\n", | |
3071 | vfid->vfid); | |
3072 | goto err_port_vid_to_fid_validate; | |
3073 | } | |
3074 | ||
3075 | /* Switch between the vFIDs and destroy the old one if needed. */ | |
3076 | vfid->nr_vports++; | |
3077 | mlxsw_sp_vport->vport.vfid = vfid; | |
3078 | old_vfid->nr_vports--; | |
3079 | if (!old_vfid->nr_vports) | |
3080 | mlxsw_sp_vfid_destroy(mlxsw_sp, old_vfid); | |
3081 | ||
3082 | mlxsw_sp_vport->learning = 1; | |
3083 | mlxsw_sp_vport->learning_sync = 1; | |
3084 | mlxsw_sp_vport->uc_flood = 1; | |
3085 | mlxsw_sp_vport->bridged = 1; | |
3086 | ||
3087 | return 0; | |
3088 | ||
3089 | err_port_vid_to_fid_validate: | |
3090 | mlxsw_sp_port_vid_to_fid_set(mlxsw_sp_vport, | |
3091 | MLXSW_REG_SVFA_MT_PORT_VID_TO_FID, false, | |
3092 | mlxsw_sp_vfid_to_fid(old_vfid->vfid), vid); | |
3093 | err_port_vid_to_fid_invalidate: | |
3094 | mlxsw_sp_port_vid_learning_set(mlxsw_sp_vport, vid, false); | |
3095 | err_port_vid_learning_set: | |
3096 | mlxsw_sp_vport_flood_set(mlxsw_sp_vport, vfid->vfid, false, false); | |
3097 | err_port_flood_set: | |
3098 | if (!vfid->nr_vports) | |
3099 | mlxsw_sp_br_vfid_destroy(mlxsw_sp, vfid); | |
3100 | return err; | |
3101 | } | |
3102 | ||
3103 | static bool | |
3104 | mlxsw_sp_port_master_bridge_check(const struct mlxsw_sp_port *mlxsw_sp_port, | |
3105 | const struct net_device *br_dev) | |
3106 | { | |
3107 | struct mlxsw_sp_port *mlxsw_sp_vport; | |
3108 | ||
3109 | list_for_each_entry(mlxsw_sp_vport, &mlxsw_sp_port->vports_list, | |
3110 | vport.list) { | |
3111 | if (mlxsw_sp_vport_br_get(mlxsw_sp_vport) == br_dev) | |
3112 | return false; | |
3113 | } | |
3114 | ||
3115 | return true; | |
3116 | } | |
3117 | ||
3118 | static int mlxsw_sp_netdevice_vport_event(struct net_device *dev, | |
3119 | unsigned long event, void *ptr, | |
3120 | u16 vid) | |
3121 | { | |
3122 | struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); | |
3123 | struct netdev_notifier_changeupper_info *info = ptr; | |
3124 | struct mlxsw_sp_port *mlxsw_sp_vport; | |
3125 | struct net_device *upper_dev; | |
3126 | int err; | |
3127 | ||
3128 | mlxsw_sp_vport = mlxsw_sp_port_vport_find(mlxsw_sp_port, vid); | |
3129 | ||
3130 | switch (event) { | |
3131 | case NETDEV_PRECHANGEUPPER: | |
3132 | upper_dev = info->upper_dev; | |
3133 | if (!info->master || !info->linking) | |
3134 | break; | |
3135 | if (!netif_is_bridge_master(upper_dev)) | |
3136 | return NOTIFY_BAD; | |
3137 | /* We can't have multiple VLAN interfaces configured on | |
3138 | * the same port and being members in the same bridge. | |
3139 | */ | |
3140 | if (!mlxsw_sp_port_master_bridge_check(mlxsw_sp_port, | |
3141 | upper_dev)) | |
3142 | return NOTIFY_BAD; | |
3143 | break; | |
3144 | case NETDEV_CHANGEUPPER: | |
3145 | upper_dev = info->upper_dev; | |
3146 | if (!info->master) | |
3147 | break; | |
3148 | if (info->linking) { | |
3149 | if (!mlxsw_sp_vport) { | |
3150 | WARN_ON(!mlxsw_sp_vport); | |
3151 | return NOTIFY_BAD; | |
3152 | } | |
3153 | err = mlxsw_sp_vport_bridge_join(mlxsw_sp_vport, | |
3154 | upper_dev); | |
3155 | if (err) { | |
3156 | netdev_err(dev, "Failed to join bridge\n"); | |
3157 | return NOTIFY_BAD; | |
3158 | } | |
3159 | } else { | |
3160 | /* We ignore bridge's unlinking notifications if vPort | |
3161 | * is gone, since we already left the bridge when the | |
3162 | * VLAN device was unlinked from the real device. | |
3163 | */ | |
3164 | if (!mlxsw_sp_vport) | |
3165 | return NOTIFY_DONE; | |
3166 | err = mlxsw_sp_vport_bridge_leave(mlxsw_sp_vport, | |
039c49a6 | 3167 | upper_dev, true); |
26f0e7fb IS |
3168 | if (err) { |
3169 | netdev_err(dev, "Failed to leave bridge\n"); | |
3170 | return NOTIFY_BAD; | |
3171 | } | |
3172 | } | |
3173 | } | |
3174 | ||
3175 | return NOTIFY_DONE; | |
3176 | } | |
3177 | ||
272c4470 IS |
3178 | static int mlxsw_sp_netdevice_lag_vport_event(struct net_device *lag_dev, |
3179 | unsigned long event, void *ptr, | |
3180 | u16 vid) | |
3181 | { | |
3182 | struct net_device *dev; | |
3183 | struct list_head *iter; | |
3184 | int ret; | |
3185 | ||
3186 | netdev_for_each_lower_dev(lag_dev, dev, iter) { | |
3187 | if (mlxsw_sp_port_dev_check(dev)) { | |
3188 | ret = mlxsw_sp_netdevice_vport_event(dev, event, ptr, | |
3189 | vid); | |
3190 | if (ret == NOTIFY_BAD) | |
3191 | return ret; | |
3192 | } | |
3193 | } | |
3194 | ||
3195 | return NOTIFY_DONE; | |
3196 | } | |
3197 | ||
26f0e7fb IS |
3198 | static int mlxsw_sp_netdevice_vlan_event(struct net_device *vlan_dev, |
3199 | unsigned long event, void *ptr) | |
3200 | { | |
3201 | struct net_device *real_dev = vlan_dev_real_dev(vlan_dev); | |
3202 | u16 vid = vlan_dev_vlan_id(vlan_dev); | |
3203 | ||
272c4470 IS |
3204 | if (mlxsw_sp_port_dev_check(real_dev)) |
3205 | return mlxsw_sp_netdevice_vport_event(real_dev, event, ptr, | |
3206 | vid); | |
3207 | else if (netif_is_lag_master(real_dev)) | |
3208 | return mlxsw_sp_netdevice_lag_vport_event(real_dev, event, ptr, | |
3209 | vid); | |
26f0e7fb | 3210 | |
272c4470 | 3211 | return NOTIFY_DONE; |
26f0e7fb IS |
3212 | } |
3213 | ||
0d65fc13 JP |
3214 | static int mlxsw_sp_netdevice_event(struct notifier_block *unused, |
3215 | unsigned long event, void *ptr) | |
3216 | { | |
3217 | struct net_device *dev = netdev_notifier_info_to_dev(ptr); | |
3218 | ||
3219 | if (mlxsw_sp_port_dev_check(dev)) | |
3220 | return mlxsw_sp_netdevice_port_event(dev, event, ptr); | |
3221 | ||
3222 | if (netif_is_lag_master(dev)) | |
3223 | return mlxsw_sp_netdevice_lag_event(dev, event, ptr); | |
3224 | ||
26f0e7fb IS |
3225 | if (is_vlan_dev(dev)) |
3226 | return mlxsw_sp_netdevice_vlan_event(dev, event, ptr); | |
3227 | ||
0d65fc13 JP |
3228 | return NOTIFY_DONE; |
3229 | } | |
3230 | ||
56ade8fe JP |
3231 | static struct notifier_block mlxsw_sp_netdevice_nb __read_mostly = { |
3232 | .notifier_call = mlxsw_sp_netdevice_event, | |
3233 | }; | |
3234 | ||
3235 | static int __init mlxsw_sp_module_init(void) | |
3236 | { | |
3237 | int err; | |
3238 | ||
3239 | register_netdevice_notifier(&mlxsw_sp_netdevice_nb); | |
3240 | err = mlxsw_core_driver_register(&mlxsw_sp_driver); | |
3241 | if (err) | |
3242 | goto err_core_driver_register; | |
3243 | return 0; | |
3244 | ||
3245 | err_core_driver_register: | |
3246 | unregister_netdevice_notifier(&mlxsw_sp_netdevice_nb); | |
3247 | return err; | |
3248 | } | |
3249 | ||
3250 | static void __exit mlxsw_sp_module_exit(void) | |
3251 | { | |
3252 | mlxsw_core_driver_unregister(&mlxsw_sp_driver); | |
3253 | unregister_netdevice_notifier(&mlxsw_sp_netdevice_nb); | |
3254 | } | |
3255 | ||
3256 | module_init(mlxsw_sp_module_init); | |
3257 | module_exit(mlxsw_sp_module_exit); | |
3258 | ||
3259 | MODULE_LICENSE("Dual BSD/GPL"); | |
3260 | MODULE_AUTHOR("Jiri Pirko <jiri@mellanox.com>"); | |
3261 | MODULE_DESCRIPTION("Mellanox Spectrum driver"); | |
3262 | MODULE_MLXSW_DRIVER_ALIAS(MLXSW_DEVICE_KIND_SPECTRUM); |