Commit | Line | Data |
---|---|---|
91da11f8 LB |
1 | /* |
2 | * net/dsa/slave.c - Slave device handling | |
e84665c9 | 3 | * Copyright (c) 2008-2009 Marvell Semiconductor |
91da11f8 LB |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | */ | |
10 | ||
11 | #include <linux/list.h> | |
df02c6ff | 12 | #include <linux/etherdevice.h> |
b73adef6 | 13 | #include <linux/netdevice.h> |
91da11f8 | 14 | #include <linux/phy.h> |
a2820543 | 15 | #include <linux/phy_fixed.h> |
0d8bcdd3 FF |
16 | #include <linux/of_net.h> |
17 | #include <linux/of_mdio.h> | |
7f854420 | 18 | #include <linux/mdio.h> |
b73adef6 | 19 | #include <net/rtnetlink.h> |
98237d43 | 20 | #include <net/switchdev.h> |
b73adef6 | 21 | #include <linux/if_bridge.h> |
04ff53f9 | 22 | #include <linux/netpoll.h> |
91da11f8 LB |
23 | #include "dsa_priv.h" |
24 | ||
25 | /* slave mii_bus handling ***************************************************/ | |
26 | static int dsa_slave_phy_read(struct mii_bus *bus, int addr, int reg) | |
27 | { | |
28 | struct dsa_switch *ds = bus->priv; | |
29 | ||
0d8bcdd3 | 30 | if (ds->phys_mii_mask & (1 << addr)) |
9d490b4e | 31 | return ds->ops->phy_read(ds, addr, reg); |
91da11f8 LB |
32 | |
33 | return 0xffff; | |
34 | } | |
35 | ||
36 | static int dsa_slave_phy_write(struct mii_bus *bus, int addr, int reg, u16 val) | |
37 | { | |
38 | struct dsa_switch *ds = bus->priv; | |
39 | ||
0d8bcdd3 | 40 | if (ds->phys_mii_mask & (1 << addr)) |
9d490b4e | 41 | return ds->ops->phy_write(ds, addr, reg, val); |
91da11f8 LB |
42 | |
43 | return 0; | |
44 | } | |
45 | ||
46 | void dsa_slave_mii_bus_init(struct dsa_switch *ds) | |
47 | { | |
48 | ds->slave_mii_bus->priv = (void *)ds; | |
49 | ds->slave_mii_bus->name = "dsa slave smi"; | |
50 | ds->slave_mii_bus->read = dsa_slave_phy_read; | |
51 | ds->slave_mii_bus->write = dsa_slave_phy_write; | |
0b7b498d FF |
52 | snprintf(ds->slave_mii_bus->id, MII_BUS_ID_SIZE, "dsa-%d.%d", |
53 | ds->dst->tree, ds->index); | |
c33063d6 | 54 | ds->slave_mii_bus->parent = ds->dev; |
24df8986 | 55 | ds->slave_mii_bus->phy_mask = ~ds->phys_mii_mask; |
91da11f8 LB |
56 | } |
57 | ||
58 | ||
59 | /* slave device handling ****************************************************/ | |
abd2be00 | 60 | static int dsa_slave_get_iflink(const struct net_device *dev) |
c0840801 LB |
61 | { |
62 | struct dsa_slave_priv *p = netdev_priv(dev); | |
c0840801 | 63 | |
abd2be00 | 64 | return p->parent->dst->master_netdev->ifindex; |
c0840801 LB |
65 | } |
66 | ||
b73adef6 FF |
67 | static inline bool dsa_port_is_bridged(struct dsa_slave_priv *p) |
68 | { | |
69 | return !!p->bridge_dev; | |
70 | } | |
71 | ||
91da11f8 LB |
72 | static int dsa_slave_open(struct net_device *dev) |
73 | { | |
df02c6ff | 74 | struct dsa_slave_priv *p = netdev_priv(dev); |
e84665c9 | 75 | struct net_device *master = p->parent->dst->master_netdev; |
b2f2af21 | 76 | struct dsa_switch *ds = p->parent; |
b73adef6 FF |
77 | u8 stp_state = dsa_port_is_bridged(p) ? |
78 | BR_STATE_BLOCKING : BR_STATE_FORWARDING; | |
df02c6ff LB |
79 | int err; |
80 | ||
81 | if (!(master->flags & IFF_UP)) | |
82 | return -ENETDOWN; | |
83 | ||
8feedbb4 | 84 | if (!ether_addr_equal(dev->dev_addr, master->dev_addr)) { |
a748ee24 | 85 | err = dev_uc_add(master, dev->dev_addr); |
df02c6ff LB |
86 | if (err < 0) |
87 | goto out; | |
88 | } | |
89 | ||
90 | if (dev->flags & IFF_ALLMULTI) { | |
91 | err = dev_set_allmulti(master, 1); | |
92 | if (err < 0) | |
93 | goto del_unicast; | |
94 | } | |
95 | if (dev->flags & IFF_PROMISC) { | |
96 | err = dev_set_promiscuity(master, 1); | |
97 | if (err < 0) | |
98 | goto clear_allmulti; | |
99 | } | |
100 | ||
9d490b4e VD |
101 | if (ds->ops->port_enable) { |
102 | err = ds->ops->port_enable(ds, p->port, p->phy); | |
b2f2af21 FF |
103 | if (err) |
104 | goto clear_promisc; | |
105 | } | |
106 | ||
9d490b4e VD |
107 | if (ds->ops->port_stp_state_set) |
108 | ds->ops->port_stp_state_set(ds, p->port, stp_state); | |
b73adef6 | 109 | |
f7f1de51 FF |
110 | if (p->phy) |
111 | phy_start(p->phy); | |
112 | ||
91da11f8 | 113 | return 0; |
df02c6ff | 114 | |
b2f2af21 FF |
115 | clear_promisc: |
116 | if (dev->flags & IFF_PROMISC) | |
4fdeddfe | 117 | dev_set_promiscuity(master, -1); |
df02c6ff LB |
118 | clear_allmulti: |
119 | if (dev->flags & IFF_ALLMULTI) | |
120 | dev_set_allmulti(master, -1); | |
121 | del_unicast: | |
8feedbb4 | 122 | if (!ether_addr_equal(dev->dev_addr, master->dev_addr)) |
a748ee24 | 123 | dev_uc_del(master, dev->dev_addr); |
df02c6ff LB |
124 | out: |
125 | return err; | |
91da11f8 LB |
126 | } |
127 | ||
128 | static int dsa_slave_close(struct net_device *dev) | |
129 | { | |
df02c6ff | 130 | struct dsa_slave_priv *p = netdev_priv(dev); |
e84665c9 | 131 | struct net_device *master = p->parent->dst->master_netdev; |
b2f2af21 | 132 | struct dsa_switch *ds = p->parent; |
df02c6ff | 133 | |
f7f1de51 FF |
134 | if (p->phy) |
135 | phy_stop(p->phy); | |
136 | ||
df02c6ff | 137 | dev_mc_unsync(master, dev); |
a748ee24 | 138 | dev_uc_unsync(master, dev); |
df02c6ff LB |
139 | if (dev->flags & IFF_ALLMULTI) |
140 | dev_set_allmulti(master, -1); | |
141 | if (dev->flags & IFF_PROMISC) | |
142 | dev_set_promiscuity(master, -1); | |
143 | ||
8feedbb4 | 144 | if (!ether_addr_equal(dev->dev_addr, master->dev_addr)) |
a748ee24 | 145 | dev_uc_del(master, dev->dev_addr); |
df02c6ff | 146 | |
9d490b4e VD |
147 | if (ds->ops->port_disable) |
148 | ds->ops->port_disable(ds, p->port, p->phy); | |
b2f2af21 | 149 | |
9d490b4e VD |
150 | if (ds->ops->port_stp_state_set) |
151 | ds->ops->port_stp_state_set(ds, p->port, BR_STATE_DISABLED); | |
b73adef6 | 152 | |
91da11f8 LB |
153 | return 0; |
154 | } | |
155 | ||
156 | static void dsa_slave_change_rx_flags(struct net_device *dev, int change) | |
157 | { | |
158 | struct dsa_slave_priv *p = netdev_priv(dev); | |
e84665c9 | 159 | struct net_device *master = p->parent->dst->master_netdev; |
91da11f8 LB |
160 | |
161 | if (change & IFF_ALLMULTI) | |
162 | dev_set_allmulti(master, dev->flags & IFF_ALLMULTI ? 1 : -1); | |
163 | if (change & IFF_PROMISC) | |
164 | dev_set_promiscuity(master, dev->flags & IFF_PROMISC ? 1 : -1); | |
165 | } | |
166 | ||
167 | static void dsa_slave_set_rx_mode(struct net_device *dev) | |
168 | { | |
169 | struct dsa_slave_priv *p = netdev_priv(dev); | |
e84665c9 | 170 | struct net_device *master = p->parent->dst->master_netdev; |
91da11f8 LB |
171 | |
172 | dev_mc_sync(master, dev); | |
a748ee24 | 173 | dev_uc_sync(master, dev); |
91da11f8 LB |
174 | } |
175 | ||
df02c6ff | 176 | static int dsa_slave_set_mac_address(struct net_device *dev, void *a) |
91da11f8 | 177 | { |
df02c6ff | 178 | struct dsa_slave_priv *p = netdev_priv(dev); |
e84665c9 | 179 | struct net_device *master = p->parent->dst->master_netdev; |
df02c6ff LB |
180 | struct sockaddr *addr = a; |
181 | int err; | |
182 | ||
183 | if (!is_valid_ether_addr(addr->sa_data)) | |
184 | return -EADDRNOTAVAIL; | |
185 | ||
186 | if (!(dev->flags & IFF_UP)) | |
187 | goto out; | |
188 | ||
8feedbb4 | 189 | if (!ether_addr_equal(addr->sa_data, master->dev_addr)) { |
a748ee24 | 190 | err = dev_uc_add(master, addr->sa_data); |
df02c6ff LB |
191 | if (err < 0) |
192 | return err; | |
193 | } | |
194 | ||
8feedbb4 | 195 | if (!ether_addr_equal(dev->dev_addr, master->dev_addr)) |
a748ee24 | 196 | dev_uc_del(master, dev->dev_addr); |
df02c6ff LB |
197 | |
198 | out: | |
d08f161a | 199 | ether_addr_copy(dev->dev_addr, addr->sa_data); |
91da11f8 LB |
200 | |
201 | return 0; | |
202 | } | |
203 | ||
11149536 | 204 | static int dsa_slave_port_vlan_add(struct net_device *dev, |
8f24f309 | 205 | const struct switchdev_obj_port_vlan *vlan, |
f8db8348 | 206 | struct switchdev_trans *trans) |
11149536 | 207 | { |
11149536 VD |
208 | struct dsa_slave_priv *p = netdev_priv(dev); |
209 | struct dsa_switch *ds = p->parent; | |
11149536 | 210 | |
79a62eb2 | 211 | if (switchdev_trans_ph_prepare(trans)) { |
9d490b4e | 212 | if (!ds->ops->port_vlan_prepare || !ds->ops->port_vlan_add) |
11149536 VD |
213 | return -EOPNOTSUPP; |
214 | ||
9d490b4e | 215 | return ds->ops->port_vlan_prepare(ds, p->port, vlan, trans); |
11149536 VD |
216 | } |
217 | ||
9d490b4e | 218 | ds->ops->port_vlan_add(ds, p->port, vlan, trans); |
4d5770b3 | 219 | |
11149536 VD |
220 | return 0; |
221 | } | |
222 | ||
223 | static int dsa_slave_port_vlan_del(struct net_device *dev, | |
8f24f309 | 224 | const struct switchdev_obj_port_vlan *vlan) |
11149536 | 225 | { |
11149536 VD |
226 | struct dsa_slave_priv *p = netdev_priv(dev); |
227 | struct dsa_switch *ds = p->parent; | |
11149536 | 228 | |
9d490b4e | 229 | if (!ds->ops->port_vlan_del) |
11149536 VD |
230 | return -EOPNOTSUPP; |
231 | ||
9d490b4e | 232 | return ds->ops->port_vlan_del(ds, p->port, vlan); |
11149536 VD |
233 | } |
234 | ||
235 | static int dsa_slave_port_vlan_dump(struct net_device *dev, | |
8f24f309 | 236 | struct switchdev_obj_port_vlan *vlan, |
648b4a99 | 237 | switchdev_obj_dump_cb_t *cb) |
11149536 | 238 | { |
11149536 VD |
239 | struct dsa_slave_priv *p = netdev_priv(dev); |
240 | struct dsa_switch *ds = p->parent; | |
11149536 | 241 | |
9d490b4e VD |
242 | if (ds->ops->port_vlan_dump) |
243 | return ds->ops->port_vlan_dump(ds, p->port, vlan, cb); | |
65aebfc0 | 244 | |
477b1845 | 245 | return -EOPNOTSUPP; |
11149536 VD |
246 | } |
247 | ||
ba14d9eb | 248 | static int dsa_slave_port_fdb_add(struct net_device *dev, |
52ba57cf | 249 | const struct switchdev_obj_port_fdb *fdb, |
f8db8348 | 250 | struct switchdev_trans *trans) |
cdf09697 DM |
251 | { |
252 | struct dsa_slave_priv *p = netdev_priv(dev); | |
253 | struct dsa_switch *ds = p->parent; | |
146a3206 | 254 | |
8497aa61 | 255 | if (switchdev_trans_ph_prepare(trans)) { |
9d490b4e | 256 | if (!ds->ops->port_fdb_prepare || !ds->ops->port_fdb_add) |
8497aa61 | 257 | return -EOPNOTSUPP; |
cdf09697 | 258 | |
9d490b4e | 259 | return ds->ops->port_fdb_prepare(ds, p->port, fdb, trans); |
8497aa61 VD |
260 | } |
261 | ||
9d490b4e | 262 | ds->ops->port_fdb_add(ds, p->port, fdb, trans); |
cdf09697 | 263 | |
8497aa61 | 264 | return 0; |
cdf09697 DM |
265 | } |
266 | ||
ba14d9eb | 267 | static int dsa_slave_port_fdb_del(struct net_device *dev, |
52ba57cf | 268 | const struct switchdev_obj_port_fdb *fdb) |
cdf09697 DM |
269 | { |
270 | struct dsa_slave_priv *p = netdev_priv(dev); | |
271 | struct dsa_switch *ds = p->parent; | |
272 | int ret = -EOPNOTSUPP; | |
273 | ||
9d490b4e VD |
274 | if (ds->ops->port_fdb_del) |
275 | ret = ds->ops->port_fdb_del(ds, p->port, fdb); | |
cdf09697 DM |
276 | |
277 | return ret; | |
278 | } | |
279 | ||
ba14d9eb | 280 | static int dsa_slave_port_fdb_dump(struct net_device *dev, |
52ba57cf | 281 | struct switchdev_obj_port_fdb *fdb, |
648b4a99 | 282 | switchdev_obj_dump_cb_t *cb) |
cdf09697 DM |
283 | { |
284 | struct dsa_slave_priv *p = netdev_priv(dev); | |
285 | struct dsa_switch *ds = p->parent; | |
cdf09697 | 286 | |
9d490b4e VD |
287 | if (ds->ops->port_fdb_dump) |
288 | return ds->ops->port_fdb_dump(ds, p->port, fdb, cb); | |
ea70ba98 | 289 | |
1a49a2fb | 290 | return -EOPNOTSUPP; |
cdf09697 DM |
291 | } |
292 | ||
8df30255 VD |
293 | static int dsa_slave_port_mdb_add(struct net_device *dev, |
294 | const struct switchdev_obj_port_mdb *mdb, | |
295 | struct switchdev_trans *trans) | |
296 | { | |
297 | struct dsa_slave_priv *p = netdev_priv(dev); | |
298 | struct dsa_switch *ds = p->parent; | |
299 | ||
300 | if (switchdev_trans_ph_prepare(trans)) { | |
301 | if (!ds->ops->port_mdb_prepare || !ds->ops->port_mdb_add) | |
302 | return -EOPNOTSUPP; | |
303 | ||
304 | return ds->ops->port_mdb_prepare(ds, p->port, mdb, trans); | |
305 | } | |
306 | ||
307 | ds->ops->port_mdb_add(ds, p->port, mdb, trans); | |
308 | ||
309 | return 0; | |
310 | } | |
311 | ||
312 | static int dsa_slave_port_mdb_del(struct net_device *dev, | |
313 | const struct switchdev_obj_port_mdb *mdb) | |
314 | { | |
315 | struct dsa_slave_priv *p = netdev_priv(dev); | |
316 | struct dsa_switch *ds = p->parent; | |
317 | ||
318 | if (ds->ops->port_mdb_del) | |
319 | return ds->ops->port_mdb_del(ds, p->port, mdb); | |
320 | ||
321 | return -EOPNOTSUPP; | |
322 | } | |
323 | ||
324 | static int dsa_slave_port_mdb_dump(struct net_device *dev, | |
325 | struct switchdev_obj_port_mdb *mdb, | |
326 | switchdev_obj_dump_cb_t *cb) | |
327 | { | |
328 | struct dsa_slave_priv *p = netdev_priv(dev); | |
329 | struct dsa_switch *ds = p->parent; | |
330 | ||
331 | if (ds->ops->port_mdb_dump) | |
332 | return ds->ops->port_mdb_dump(ds, p->port, mdb, cb); | |
333 | ||
334 | return -EOPNOTSUPP; | |
335 | } | |
336 | ||
91da11f8 LB |
337 | static int dsa_slave_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
338 | { | |
339 | struct dsa_slave_priv *p = netdev_priv(dev); | |
91da11f8 LB |
340 | |
341 | if (p->phy != NULL) | |
28b04113 | 342 | return phy_mii_ioctl(p->phy, ifr, cmd); |
91da11f8 LB |
343 | |
344 | return -EOPNOTSUPP; | |
345 | } | |
346 | ||
43c44a9f VD |
347 | static int dsa_slave_stp_state_set(struct net_device *dev, |
348 | const struct switchdev_attr *attr, | |
349 | struct switchdev_trans *trans) | |
b73adef6 FF |
350 | { |
351 | struct dsa_slave_priv *p = netdev_priv(dev); | |
352 | struct dsa_switch *ds = p->parent; | |
b73adef6 | 353 | |
43c44a9f | 354 | if (switchdev_trans_ph_prepare(trans)) |
9d490b4e | 355 | return ds->ops->port_stp_state_set ? 0 : -EOPNOTSUPP; |
b73adef6 | 356 | |
9d490b4e | 357 | ds->ops->port_stp_state_set(ds, p->port, attr->u.stp_state); |
43c44a9f VD |
358 | |
359 | return 0; | |
b73adef6 FF |
360 | } |
361 | ||
fb2dabad VD |
362 | static int dsa_slave_vlan_filtering(struct net_device *dev, |
363 | const struct switchdev_attr *attr, | |
364 | struct switchdev_trans *trans) | |
365 | { | |
366 | struct dsa_slave_priv *p = netdev_priv(dev); | |
367 | struct dsa_switch *ds = p->parent; | |
368 | ||
369 | /* bridge skips -EOPNOTSUPP, so skip the prepare phase */ | |
370 | if (switchdev_trans_ph_prepare(trans)) | |
371 | return 0; | |
372 | ||
9d490b4e VD |
373 | if (ds->ops->port_vlan_filtering) |
374 | return ds->ops->port_vlan_filtering(ds, p->port, | |
fb2dabad VD |
375 | attr->u.vlan_filtering); |
376 | ||
377 | return 0; | |
378 | } | |
379 | ||
34a79f63 VD |
380 | static int dsa_fastest_ageing_time(struct dsa_switch *ds, |
381 | unsigned int ageing_time) | |
382 | { | |
383 | int i; | |
384 | ||
385 | for (i = 0; i < DSA_MAX_PORTS; ++i) { | |
386 | struct dsa_port *dp = &ds->ports[i]; | |
387 | ||
388 | if (dp && dp->ageing_time && dp->ageing_time < ageing_time) | |
389 | ageing_time = dp->ageing_time; | |
390 | } | |
391 | ||
392 | return ageing_time; | |
393 | } | |
394 | ||
395 | static int dsa_slave_ageing_time(struct net_device *dev, | |
396 | const struct switchdev_attr *attr, | |
397 | struct switchdev_trans *trans) | |
398 | { | |
399 | struct dsa_slave_priv *p = netdev_priv(dev); | |
400 | struct dsa_switch *ds = p->parent; | |
401 | unsigned long ageing_jiffies = clock_t_to_jiffies(attr->u.ageing_time); | |
402 | unsigned int ageing_time = jiffies_to_msecs(ageing_jiffies); | |
403 | ||
404 | /* bridge skips -EOPNOTSUPP, so skip the prepare phase */ | |
405 | if (switchdev_trans_ph_prepare(trans)) | |
406 | return 0; | |
407 | ||
408 | /* Keep the fastest ageing time in case of multiple bridges */ | |
409 | ds->ports[p->port].ageing_time = ageing_time; | |
410 | ageing_time = dsa_fastest_ageing_time(ds, ageing_time); | |
411 | ||
9d490b4e VD |
412 | if (ds->ops->set_ageing_time) |
413 | return ds->ops->set_ageing_time(ds, ageing_time); | |
34a79f63 VD |
414 | |
415 | return 0; | |
416 | } | |
417 | ||
35636062 | 418 | static int dsa_slave_port_attr_set(struct net_device *dev, |
f7fadf30 | 419 | const struct switchdev_attr *attr, |
7ea6eb3f | 420 | struct switchdev_trans *trans) |
35636062 | 421 | { |
b8d866ac | 422 | int ret; |
35636062 SF |
423 | |
424 | switch (attr->id) { | |
1f868398 | 425 | case SWITCHDEV_ATTR_ID_PORT_STP_STATE: |
43c44a9f | 426 | ret = dsa_slave_stp_state_set(dev, attr, trans); |
35636062 | 427 | break; |
fb2dabad VD |
428 | case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING: |
429 | ret = dsa_slave_vlan_filtering(dev, attr, trans); | |
430 | break; | |
34a79f63 VD |
431 | case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME: |
432 | ret = dsa_slave_ageing_time(dev, attr, trans); | |
433 | break; | |
35636062 SF |
434 | default: |
435 | ret = -EOPNOTSUPP; | |
436 | break; | |
437 | } | |
438 | ||
439 | return ret; | |
440 | } | |
441 | ||
ba14d9eb | 442 | static int dsa_slave_port_obj_add(struct net_device *dev, |
648b4a99 | 443 | const struct switchdev_obj *obj, |
7ea6eb3f | 444 | struct switchdev_trans *trans) |
ba14d9eb VD |
445 | { |
446 | int err; | |
447 | ||
448 | /* For the prepare phase, ensure the full set of changes is feasable in | |
449 | * one go in order to signal a failure properly. If an operation is not | |
450 | * supported, return -EOPNOTSUPP. | |
451 | */ | |
452 | ||
9e8f4a54 | 453 | switch (obj->id) { |
57d80838 | 454 | case SWITCHDEV_OBJ_ID_PORT_FDB: |
648b4a99 JP |
455 | err = dsa_slave_port_fdb_add(dev, |
456 | SWITCHDEV_OBJ_PORT_FDB(obj), | |
457 | trans); | |
ba14d9eb | 458 | break; |
8df30255 VD |
459 | case SWITCHDEV_OBJ_ID_PORT_MDB: |
460 | err = dsa_slave_port_mdb_add(dev, SWITCHDEV_OBJ_PORT_MDB(obj), | |
461 | trans); | |
462 | break; | |
57d80838 | 463 | case SWITCHDEV_OBJ_ID_PORT_VLAN: |
648b4a99 JP |
464 | err = dsa_slave_port_vlan_add(dev, |
465 | SWITCHDEV_OBJ_PORT_VLAN(obj), | |
466 | trans); | |
11149536 | 467 | break; |
ba14d9eb VD |
468 | default: |
469 | err = -EOPNOTSUPP; | |
470 | break; | |
471 | } | |
472 | ||
473 | return err; | |
474 | } | |
475 | ||
476 | static int dsa_slave_port_obj_del(struct net_device *dev, | |
648b4a99 | 477 | const struct switchdev_obj *obj) |
ba14d9eb VD |
478 | { |
479 | int err; | |
480 | ||
9e8f4a54 | 481 | switch (obj->id) { |
57d80838 | 482 | case SWITCHDEV_OBJ_ID_PORT_FDB: |
648b4a99 JP |
483 | err = dsa_slave_port_fdb_del(dev, |
484 | SWITCHDEV_OBJ_PORT_FDB(obj)); | |
ba14d9eb | 485 | break; |
8df30255 VD |
486 | case SWITCHDEV_OBJ_ID_PORT_MDB: |
487 | err = dsa_slave_port_mdb_del(dev, SWITCHDEV_OBJ_PORT_MDB(obj)); | |
488 | break; | |
57d80838 | 489 | case SWITCHDEV_OBJ_ID_PORT_VLAN: |
648b4a99 JP |
490 | err = dsa_slave_port_vlan_del(dev, |
491 | SWITCHDEV_OBJ_PORT_VLAN(obj)); | |
11149536 | 492 | break; |
ba14d9eb VD |
493 | default: |
494 | err = -EOPNOTSUPP; | |
495 | break; | |
496 | } | |
497 | ||
498 | return err; | |
499 | } | |
500 | ||
501 | static int dsa_slave_port_obj_dump(struct net_device *dev, | |
648b4a99 JP |
502 | struct switchdev_obj *obj, |
503 | switchdev_obj_dump_cb_t *cb) | |
ba14d9eb VD |
504 | { |
505 | int err; | |
506 | ||
9e8f4a54 | 507 | switch (obj->id) { |
57d80838 | 508 | case SWITCHDEV_OBJ_ID_PORT_FDB: |
648b4a99 JP |
509 | err = dsa_slave_port_fdb_dump(dev, |
510 | SWITCHDEV_OBJ_PORT_FDB(obj), | |
511 | cb); | |
ba14d9eb | 512 | break; |
8df30255 VD |
513 | case SWITCHDEV_OBJ_ID_PORT_MDB: |
514 | err = dsa_slave_port_mdb_dump(dev, SWITCHDEV_OBJ_PORT_MDB(obj), | |
515 | cb); | |
516 | break; | |
57d80838 | 517 | case SWITCHDEV_OBJ_ID_PORT_VLAN: |
648b4a99 JP |
518 | err = dsa_slave_port_vlan_dump(dev, |
519 | SWITCHDEV_OBJ_PORT_VLAN(obj), | |
520 | cb); | |
11149536 | 521 | break; |
ba14d9eb VD |
522 | default: |
523 | err = -EOPNOTSUPP; | |
524 | break; | |
525 | } | |
526 | ||
527 | return err; | |
528 | } | |
529 | ||
b73adef6 FF |
530 | static int dsa_slave_bridge_port_join(struct net_device *dev, |
531 | struct net_device *br) | |
532 | { | |
533 | struct dsa_slave_priv *p = netdev_priv(dev); | |
534 | struct dsa_switch *ds = p->parent; | |
535 | int ret = -EOPNOTSUPP; | |
536 | ||
537 | p->bridge_dev = br; | |
538 | ||
9d490b4e VD |
539 | if (ds->ops->port_bridge_join) |
540 | ret = ds->ops->port_bridge_join(ds, p->port, br); | |
b73adef6 | 541 | |
6debb68a | 542 | return ret == -EOPNOTSUPP ? 0 : ret; |
b73adef6 FF |
543 | } |
544 | ||
16bfa702 | 545 | static void dsa_slave_bridge_port_leave(struct net_device *dev) |
b73adef6 FF |
546 | { |
547 | struct dsa_slave_priv *p = netdev_priv(dev); | |
548 | struct dsa_switch *ds = p->parent; | |
b73adef6 FF |
549 | |
550 | ||
9d490b4e VD |
551 | if (ds->ops->port_bridge_leave) |
552 | ds->ops->port_bridge_leave(ds, p->port); | |
b73adef6 FF |
553 | |
554 | p->bridge_dev = NULL; | |
555 | ||
556 | /* Port left the bridge, put in BR_STATE_DISABLED by the bridge layer, | |
557 | * so allow it to be in BR_STATE_FORWARDING to be kept functional | |
558 | */ | |
9d490b4e VD |
559 | if (ds->ops->port_stp_state_set) |
560 | ds->ops->port_stp_state_set(ds, p->port, BR_STATE_FORWARDING); | |
b73adef6 FF |
561 | } |
562 | ||
f8e20a9f SF |
563 | static int dsa_slave_port_attr_get(struct net_device *dev, |
564 | struct switchdev_attr *attr) | |
b73adef6 FF |
565 | { |
566 | struct dsa_slave_priv *p = netdev_priv(dev); | |
567 | struct dsa_switch *ds = p->parent; | |
568 | ||
f8e20a9f | 569 | switch (attr->id) { |
1f868398 | 570 | case SWITCHDEV_ATTR_ID_PORT_PARENT_ID: |
42275bd8 SF |
571 | attr->u.ppid.id_len = sizeof(ds->index); |
572 | memcpy(&attr->u.ppid.id, &ds->index, attr->u.ppid.id_len); | |
f8e20a9f SF |
573 | break; |
574 | default: | |
575 | return -EOPNOTSUPP; | |
576 | } | |
b73adef6 FF |
577 | |
578 | return 0; | |
579 | } | |
580 | ||
04ff53f9 FF |
581 | static inline netdev_tx_t dsa_netpoll_send_skb(struct dsa_slave_priv *p, |
582 | struct sk_buff *skb) | |
583 | { | |
584 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
585 | if (p->netpoll) | |
586 | netpoll_send_skb(p->netpoll, skb); | |
587 | #else | |
588 | BUG(); | |
589 | #endif | |
590 | return NETDEV_TX_OK; | |
591 | } | |
592 | ||
3e8a72d1 FF |
593 | static netdev_tx_t dsa_slave_xmit(struct sk_buff *skb, struct net_device *dev) |
594 | { | |
595 | struct dsa_slave_priv *p = netdev_priv(dev); | |
4ed70ce9 | 596 | struct sk_buff *nskb; |
3e8a72d1 | 597 | |
4ed70ce9 FF |
598 | dev->stats.tx_packets++; |
599 | dev->stats.tx_bytes += skb->len; | |
3e8a72d1 | 600 | |
4ed70ce9 FF |
601 | /* Transmit function may have to reallocate the original SKB */ |
602 | nskb = p->xmit(skb, dev); | |
603 | if (!nskb) | |
604 | return NETDEV_TX_OK; | |
5aed85ce | 605 | |
04ff53f9 FF |
606 | /* SKB for netpoll still need to be mangled with the protocol-specific |
607 | * tag to be successfully transmitted | |
608 | */ | |
609 | if (unlikely(netpoll_tx_running(dev))) | |
610 | return dsa_netpoll_send_skb(p, nskb); | |
611 | ||
4ed70ce9 FF |
612 | /* Queue the SKB for transmission on the parent interface, but |
613 | * do not modify its EtherType | |
614 | */ | |
615 | nskb->dev = p->parent->dst->master_netdev; | |
616 | dev_queue_xmit(nskb); | |
5aed85ce FF |
617 | |
618 | return NETDEV_TX_OK; | |
619 | } | |
620 | ||
91da11f8 LB |
621 | /* ethtool operations *******************************************************/ |
622 | static int | |
623 | dsa_slave_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
624 | { | |
625 | struct dsa_slave_priv *p = netdev_priv(dev); | |
626 | int err; | |
627 | ||
628 | err = -EOPNOTSUPP; | |
629 | if (p->phy != NULL) { | |
630 | err = phy_read_status(p->phy); | |
631 | if (err == 0) | |
632 | err = phy_ethtool_gset(p->phy, cmd); | |
633 | } | |
634 | ||
635 | return err; | |
636 | } | |
637 | ||
638 | static int | |
639 | dsa_slave_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
640 | { | |
641 | struct dsa_slave_priv *p = netdev_priv(dev); | |
642 | ||
643 | if (p->phy != NULL) | |
644 | return phy_ethtool_sset(p->phy, cmd); | |
645 | ||
646 | return -EOPNOTSUPP; | |
647 | } | |
648 | ||
649 | static void dsa_slave_get_drvinfo(struct net_device *dev, | |
650 | struct ethtool_drvinfo *drvinfo) | |
651 | { | |
7826d43f JP |
652 | strlcpy(drvinfo->driver, "dsa", sizeof(drvinfo->driver)); |
653 | strlcpy(drvinfo->version, dsa_driver_version, sizeof(drvinfo->version)); | |
654 | strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version)); | |
655 | strlcpy(drvinfo->bus_info, "platform", sizeof(drvinfo->bus_info)); | |
91da11f8 LB |
656 | } |
657 | ||
3d762a0f GR |
658 | static int dsa_slave_get_regs_len(struct net_device *dev) |
659 | { | |
660 | struct dsa_slave_priv *p = netdev_priv(dev); | |
661 | struct dsa_switch *ds = p->parent; | |
662 | ||
9d490b4e VD |
663 | if (ds->ops->get_regs_len) |
664 | return ds->ops->get_regs_len(ds, p->port); | |
3d762a0f GR |
665 | |
666 | return -EOPNOTSUPP; | |
667 | } | |
668 | ||
669 | static void | |
670 | dsa_slave_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p) | |
671 | { | |
672 | struct dsa_slave_priv *p = netdev_priv(dev); | |
673 | struct dsa_switch *ds = p->parent; | |
674 | ||
9d490b4e VD |
675 | if (ds->ops->get_regs) |
676 | ds->ops->get_regs(ds, p->port, regs, _p); | |
3d762a0f GR |
677 | } |
678 | ||
91da11f8 LB |
679 | static int dsa_slave_nway_reset(struct net_device *dev) |
680 | { | |
681 | struct dsa_slave_priv *p = netdev_priv(dev); | |
682 | ||
683 | if (p->phy != NULL) | |
684 | return genphy_restart_aneg(p->phy); | |
685 | ||
686 | return -EOPNOTSUPP; | |
687 | } | |
688 | ||
689 | static u32 dsa_slave_get_link(struct net_device *dev) | |
690 | { | |
691 | struct dsa_slave_priv *p = netdev_priv(dev); | |
692 | ||
693 | if (p->phy != NULL) { | |
694 | genphy_update_link(p->phy); | |
695 | return p->phy->link; | |
696 | } | |
697 | ||
698 | return -EOPNOTSUPP; | |
699 | } | |
700 | ||
6793abb4 GR |
701 | static int dsa_slave_get_eeprom_len(struct net_device *dev) |
702 | { | |
703 | struct dsa_slave_priv *p = netdev_priv(dev); | |
704 | struct dsa_switch *ds = p->parent; | |
705 | ||
0e576044 | 706 | if (ds->cd && ds->cd->eeprom_len) |
ff04955c | 707 | return ds->cd->eeprom_len; |
6793abb4 | 708 | |
9d490b4e VD |
709 | if (ds->ops->get_eeprom_len) |
710 | return ds->ops->get_eeprom_len(ds); | |
6793abb4 GR |
711 | |
712 | return 0; | |
713 | } | |
714 | ||
715 | static int dsa_slave_get_eeprom(struct net_device *dev, | |
716 | struct ethtool_eeprom *eeprom, u8 *data) | |
717 | { | |
718 | struct dsa_slave_priv *p = netdev_priv(dev); | |
719 | struct dsa_switch *ds = p->parent; | |
720 | ||
9d490b4e VD |
721 | if (ds->ops->get_eeprom) |
722 | return ds->ops->get_eeprom(ds, eeprom, data); | |
6793abb4 GR |
723 | |
724 | return -EOPNOTSUPP; | |
725 | } | |
726 | ||
727 | static int dsa_slave_set_eeprom(struct net_device *dev, | |
728 | struct ethtool_eeprom *eeprom, u8 *data) | |
729 | { | |
730 | struct dsa_slave_priv *p = netdev_priv(dev); | |
731 | struct dsa_switch *ds = p->parent; | |
732 | ||
9d490b4e VD |
733 | if (ds->ops->set_eeprom) |
734 | return ds->ops->set_eeprom(ds, eeprom, data); | |
6793abb4 GR |
735 | |
736 | return -EOPNOTSUPP; | |
737 | } | |
738 | ||
91da11f8 LB |
739 | static void dsa_slave_get_strings(struct net_device *dev, |
740 | uint32_t stringset, uint8_t *data) | |
741 | { | |
742 | struct dsa_slave_priv *p = netdev_priv(dev); | |
743 | struct dsa_switch *ds = p->parent; | |
744 | ||
745 | if (stringset == ETH_SS_STATS) { | |
746 | int len = ETH_GSTRING_LEN; | |
747 | ||
748 | strncpy(data, "tx_packets", len); | |
749 | strncpy(data + len, "tx_bytes", len); | |
750 | strncpy(data + 2 * len, "rx_packets", len); | |
751 | strncpy(data + 3 * len, "rx_bytes", len); | |
9d490b4e VD |
752 | if (ds->ops->get_strings) |
753 | ds->ops->get_strings(ds, p->port, data + 4 * len); | |
91da11f8 LB |
754 | } |
755 | } | |
756 | ||
badf3ada FF |
757 | static void dsa_cpu_port_get_ethtool_stats(struct net_device *dev, |
758 | struct ethtool_stats *stats, | |
759 | uint64_t *data) | |
760 | { | |
761 | struct dsa_switch_tree *dst = dev->dsa_ptr; | |
762 | struct dsa_switch *ds = dst->ds[0]; | |
763 | s8 cpu_port = dst->cpu_port; | |
764 | int count = 0; | |
765 | ||
766 | if (dst->master_ethtool_ops.get_sset_count) { | |
767 | count = dst->master_ethtool_ops.get_sset_count(dev, | |
768 | ETH_SS_STATS); | |
769 | dst->master_ethtool_ops.get_ethtool_stats(dev, stats, data); | |
770 | } | |
771 | ||
9d490b4e VD |
772 | if (ds->ops->get_ethtool_stats) |
773 | ds->ops->get_ethtool_stats(ds, cpu_port, data + count); | |
badf3ada FF |
774 | } |
775 | ||
776 | static int dsa_cpu_port_get_sset_count(struct net_device *dev, int sset) | |
777 | { | |
778 | struct dsa_switch_tree *dst = dev->dsa_ptr; | |
779 | struct dsa_switch *ds = dst->ds[0]; | |
780 | int count = 0; | |
781 | ||
782 | if (dst->master_ethtool_ops.get_sset_count) | |
783 | count += dst->master_ethtool_ops.get_sset_count(dev, sset); | |
784 | ||
9d490b4e VD |
785 | if (sset == ETH_SS_STATS && ds->ops->get_sset_count) |
786 | count += ds->ops->get_sset_count(ds); | |
badf3ada FF |
787 | |
788 | return count; | |
789 | } | |
790 | ||
791 | static void dsa_cpu_port_get_strings(struct net_device *dev, | |
792 | uint32_t stringset, uint8_t *data) | |
793 | { | |
794 | struct dsa_switch_tree *dst = dev->dsa_ptr; | |
795 | struct dsa_switch *ds = dst->ds[0]; | |
796 | s8 cpu_port = dst->cpu_port; | |
797 | int len = ETH_GSTRING_LEN; | |
798 | int mcount = 0, count; | |
799 | unsigned int i; | |
800 | uint8_t pfx[4]; | |
801 | uint8_t *ndata; | |
802 | ||
803 | snprintf(pfx, sizeof(pfx), "p%.2d", cpu_port); | |
804 | /* We do not want to be NULL-terminated, since this is a prefix */ | |
805 | pfx[sizeof(pfx) - 1] = '_'; | |
806 | ||
807 | if (dst->master_ethtool_ops.get_sset_count) { | |
808 | mcount = dst->master_ethtool_ops.get_sset_count(dev, | |
809 | ETH_SS_STATS); | |
810 | dst->master_ethtool_ops.get_strings(dev, stringset, data); | |
811 | } | |
812 | ||
9d490b4e | 813 | if (stringset == ETH_SS_STATS && ds->ops->get_strings) { |
badf3ada FF |
814 | ndata = data + mcount * len; |
815 | /* This function copies ETH_GSTRINGS_LEN bytes, we will mangle | |
816 | * the output after to prepend our CPU port prefix we | |
817 | * constructed earlier | |
818 | */ | |
9d490b4e VD |
819 | ds->ops->get_strings(ds, cpu_port, ndata); |
820 | count = ds->ops->get_sset_count(ds); | |
badf3ada FF |
821 | for (i = 0; i < count; i++) { |
822 | memmove(ndata + (i * len + sizeof(pfx)), | |
823 | ndata + i * len, len - sizeof(pfx)); | |
824 | memcpy(ndata + i * len, pfx, sizeof(pfx)); | |
825 | } | |
826 | } | |
827 | } | |
828 | ||
91da11f8 LB |
829 | static void dsa_slave_get_ethtool_stats(struct net_device *dev, |
830 | struct ethtool_stats *stats, | |
831 | uint64_t *data) | |
832 | { | |
833 | struct dsa_slave_priv *p = netdev_priv(dev); | |
834 | struct dsa_switch *ds = p->parent; | |
835 | ||
46e7b8d8 VD |
836 | data[0] = dev->stats.tx_packets; |
837 | data[1] = dev->stats.tx_bytes; | |
838 | data[2] = dev->stats.rx_packets; | |
839 | data[3] = dev->stats.rx_bytes; | |
9d490b4e VD |
840 | if (ds->ops->get_ethtool_stats) |
841 | ds->ops->get_ethtool_stats(ds, p->port, data + 4); | |
91da11f8 LB |
842 | } |
843 | ||
844 | static int dsa_slave_get_sset_count(struct net_device *dev, int sset) | |
845 | { | |
846 | struct dsa_slave_priv *p = netdev_priv(dev); | |
847 | struct dsa_switch *ds = p->parent; | |
848 | ||
849 | if (sset == ETH_SS_STATS) { | |
850 | int count; | |
851 | ||
852 | count = 4; | |
9d490b4e VD |
853 | if (ds->ops->get_sset_count) |
854 | count += ds->ops->get_sset_count(ds); | |
91da11f8 LB |
855 | |
856 | return count; | |
857 | } | |
858 | ||
859 | return -EOPNOTSUPP; | |
860 | } | |
861 | ||
19e57c4e FF |
862 | static void dsa_slave_get_wol(struct net_device *dev, struct ethtool_wolinfo *w) |
863 | { | |
864 | struct dsa_slave_priv *p = netdev_priv(dev); | |
865 | struct dsa_switch *ds = p->parent; | |
866 | ||
9d490b4e VD |
867 | if (ds->ops->get_wol) |
868 | ds->ops->get_wol(ds, p->port, w); | |
19e57c4e FF |
869 | } |
870 | ||
871 | static int dsa_slave_set_wol(struct net_device *dev, struct ethtool_wolinfo *w) | |
872 | { | |
873 | struct dsa_slave_priv *p = netdev_priv(dev); | |
874 | struct dsa_switch *ds = p->parent; | |
875 | int ret = -EOPNOTSUPP; | |
876 | ||
9d490b4e VD |
877 | if (ds->ops->set_wol) |
878 | ret = ds->ops->set_wol(ds, p->port, w); | |
19e57c4e FF |
879 | |
880 | return ret; | |
881 | } | |
882 | ||
7905288f FF |
883 | static int dsa_slave_set_eee(struct net_device *dev, struct ethtool_eee *e) |
884 | { | |
885 | struct dsa_slave_priv *p = netdev_priv(dev); | |
886 | struct dsa_switch *ds = p->parent; | |
887 | int ret; | |
888 | ||
9d490b4e | 889 | if (!ds->ops->set_eee) |
7905288f FF |
890 | return -EOPNOTSUPP; |
891 | ||
9d490b4e | 892 | ret = ds->ops->set_eee(ds, p->port, p->phy, e); |
7905288f FF |
893 | if (ret) |
894 | return ret; | |
895 | ||
896 | if (p->phy) | |
897 | ret = phy_ethtool_set_eee(p->phy, e); | |
898 | ||
899 | return ret; | |
900 | } | |
901 | ||
902 | static int dsa_slave_get_eee(struct net_device *dev, struct ethtool_eee *e) | |
903 | { | |
904 | struct dsa_slave_priv *p = netdev_priv(dev); | |
905 | struct dsa_switch *ds = p->parent; | |
906 | int ret; | |
907 | ||
9d490b4e | 908 | if (!ds->ops->get_eee) |
7905288f FF |
909 | return -EOPNOTSUPP; |
910 | ||
9d490b4e | 911 | ret = ds->ops->get_eee(ds, p->port, e); |
7905288f FF |
912 | if (ret) |
913 | return ret; | |
914 | ||
915 | if (p->phy) | |
916 | ret = phy_ethtool_get_eee(p->phy, e); | |
917 | ||
918 | return ret; | |
919 | } | |
920 | ||
04ff53f9 FF |
921 | #ifdef CONFIG_NET_POLL_CONTROLLER |
922 | static int dsa_slave_netpoll_setup(struct net_device *dev, | |
923 | struct netpoll_info *ni) | |
924 | { | |
925 | struct dsa_slave_priv *p = netdev_priv(dev); | |
926 | struct dsa_switch *ds = p->parent; | |
927 | struct net_device *master = ds->dst->master_netdev; | |
928 | struct netpoll *netpoll; | |
929 | int err = 0; | |
930 | ||
931 | netpoll = kzalloc(sizeof(*netpoll), GFP_KERNEL); | |
932 | if (!netpoll) | |
933 | return -ENOMEM; | |
934 | ||
935 | err = __netpoll_setup(netpoll, master); | |
936 | if (err) { | |
937 | kfree(netpoll); | |
938 | goto out; | |
939 | } | |
940 | ||
941 | p->netpoll = netpoll; | |
942 | out: | |
943 | return err; | |
944 | } | |
945 | ||
946 | static void dsa_slave_netpoll_cleanup(struct net_device *dev) | |
947 | { | |
948 | struct dsa_slave_priv *p = netdev_priv(dev); | |
949 | struct netpoll *netpoll = p->netpoll; | |
950 | ||
951 | if (!netpoll) | |
952 | return; | |
953 | ||
954 | p->netpoll = NULL; | |
955 | ||
956 | __netpoll_free_async(netpoll); | |
957 | } | |
958 | ||
959 | static void dsa_slave_poll_controller(struct net_device *dev) | |
960 | { | |
961 | } | |
962 | #endif | |
963 | ||
af42192c FF |
964 | void dsa_cpu_port_ethtool_init(struct ethtool_ops *ops) |
965 | { | |
966 | ops->get_sset_count = dsa_cpu_port_get_sset_count; | |
967 | ops->get_ethtool_stats = dsa_cpu_port_get_ethtool_stats; | |
968 | ops->get_strings = dsa_cpu_port_get_strings; | |
969 | } | |
970 | ||
91da11f8 LB |
971 | static const struct ethtool_ops dsa_slave_ethtool_ops = { |
972 | .get_settings = dsa_slave_get_settings, | |
973 | .set_settings = dsa_slave_set_settings, | |
974 | .get_drvinfo = dsa_slave_get_drvinfo, | |
3d762a0f GR |
975 | .get_regs_len = dsa_slave_get_regs_len, |
976 | .get_regs = dsa_slave_get_regs, | |
91da11f8 LB |
977 | .nway_reset = dsa_slave_nway_reset, |
978 | .get_link = dsa_slave_get_link, | |
6793abb4 GR |
979 | .get_eeprom_len = dsa_slave_get_eeprom_len, |
980 | .get_eeprom = dsa_slave_get_eeprom, | |
981 | .set_eeprom = dsa_slave_set_eeprom, | |
91da11f8 LB |
982 | .get_strings = dsa_slave_get_strings, |
983 | .get_ethtool_stats = dsa_slave_get_ethtool_stats, | |
984 | .get_sset_count = dsa_slave_get_sset_count, | |
19e57c4e FF |
985 | .set_wol = dsa_slave_set_wol, |
986 | .get_wol = dsa_slave_get_wol, | |
7905288f FF |
987 | .set_eee = dsa_slave_set_eee, |
988 | .get_eee = dsa_slave_get_eee, | |
91da11f8 LB |
989 | }; |
990 | ||
3e8a72d1 | 991 | static const struct net_device_ops dsa_slave_netdev_ops = { |
d442ad4a SH |
992 | .ndo_open = dsa_slave_open, |
993 | .ndo_stop = dsa_slave_close, | |
3e8a72d1 | 994 | .ndo_start_xmit = dsa_slave_xmit, |
d442ad4a SH |
995 | .ndo_change_rx_flags = dsa_slave_change_rx_flags, |
996 | .ndo_set_rx_mode = dsa_slave_set_rx_mode, | |
d442ad4a | 997 | .ndo_set_mac_address = dsa_slave_set_mac_address, |
ba14d9eb VD |
998 | .ndo_fdb_add = switchdev_port_fdb_add, |
999 | .ndo_fdb_del = switchdev_port_fdb_del, | |
1000 | .ndo_fdb_dump = switchdev_port_fdb_dump, | |
d442ad4a | 1001 | .ndo_do_ioctl = dsa_slave_ioctl, |
abd2be00 | 1002 | .ndo_get_iflink = dsa_slave_get_iflink, |
04ff53f9 FF |
1003 | #ifdef CONFIG_NET_POLL_CONTROLLER |
1004 | .ndo_netpoll_setup = dsa_slave_netpoll_setup, | |
1005 | .ndo_netpoll_cleanup = dsa_slave_netpoll_cleanup, | |
1006 | .ndo_poll_controller = dsa_slave_poll_controller, | |
1007 | #endif | |
11149536 VD |
1008 | .ndo_bridge_getlink = switchdev_port_bridge_getlink, |
1009 | .ndo_bridge_setlink = switchdev_port_bridge_setlink, | |
1010 | .ndo_bridge_dellink = switchdev_port_bridge_dellink, | |
98237d43 SF |
1011 | }; |
1012 | ||
9d47c0a2 | 1013 | static const struct switchdev_ops dsa_slave_switchdev_ops = { |
f8e20a9f | 1014 | .switchdev_port_attr_get = dsa_slave_port_attr_get, |
35636062 | 1015 | .switchdev_port_attr_set = dsa_slave_port_attr_set, |
ba14d9eb VD |
1016 | .switchdev_port_obj_add = dsa_slave_port_obj_add, |
1017 | .switchdev_port_obj_del = dsa_slave_port_obj_del, | |
1018 | .switchdev_port_obj_dump = dsa_slave_port_obj_dump, | |
d442ad4a | 1019 | }; |
91da11f8 | 1020 | |
f37db85d FF |
1021 | static struct device_type dsa_type = { |
1022 | .name = "dsa", | |
1023 | }; | |
1024 | ||
0d8bcdd3 FF |
1025 | static void dsa_slave_adjust_link(struct net_device *dev) |
1026 | { | |
1027 | struct dsa_slave_priv *p = netdev_priv(dev); | |
ec9436ba | 1028 | struct dsa_switch *ds = p->parent; |
0d8bcdd3 FF |
1029 | unsigned int status_changed = 0; |
1030 | ||
1031 | if (p->old_link != p->phy->link) { | |
1032 | status_changed = 1; | |
1033 | p->old_link = p->phy->link; | |
1034 | } | |
1035 | ||
1036 | if (p->old_duplex != p->phy->duplex) { | |
1037 | status_changed = 1; | |
1038 | p->old_duplex = p->phy->duplex; | |
1039 | } | |
1040 | ||
1041 | if (p->old_pause != p->phy->pause) { | |
1042 | status_changed = 1; | |
1043 | p->old_pause = p->phy->pause; | |
1044 | } | |
1045 | ||
9d490b4e VD |
1046 | if (ds->ops->adjust_link && status_changed) |
1047 | ds->ops->adjust_link(ds, p->port, p->phy); | |
ec9436ba | 1048 | |
0d8bcdd3 FF |
1049 | if (status_changed) |
1050 | phy_print_status(p->phy); | |
1051 | } | |
1052 | ||
ce31b31c FF |
1053 | static int dsa_slave_fixed_link_update(struct net_device *dev, |
1054 | struct fixed_phy_status *status) | |
1055 | { | |
b71be352 AL |
1056 | struct dsa_slave_priv *p; |
1057 | struct dsa_switch *ds; | |
1058 | ||
1059 | if (dev) { | |
1060 | p = netdev_priv(dev); | |
1061 | ds = p->parent; | |
9d490b4e VD |
1062 | if (ds->ops->fixed_link_update) |
1063 | ds->ops->fixed_link_update(ds, p->port, status); | |
b71be352 | 1064 | } |
ce31b31c FF |
1065 | |
1066 | return 0; | |
1067 | } | |
1068 | ||
91da11f8 | 1069 | /* slave device setup *******************************************************/ |
c305c165 | 1070 | static int dsa_slave_phy_connect(struct dsa_slave_priv *p, |
cd28a1a9 FF |
1071 | struct net_device *slave_dev, |
1072 | int addr) | |
c305c165 FF |
1073 | { |
1074 | struct dsa_switch *ds = p->parent; | |
1075 | ||
7f854420 | 1076 | p->phy = mdiobus_get_phy(ds->slave_mii_bus, addr); |
d25b8e74 RK |
1077 | if (!p->phy) { |
1078 | netdev_err(slave_dev, "no phy at %d\n", addr); | |
c305c165 | 1079 | return -ENODEV; |
d25b8e74 | 1080 | } |
c305c165 FF |
1081 | |
1082 | /* Use already configured phy mode */ | |
211c504a FF |
1083 | if (p->phy_interface == PHY_INTERFACE_MODE_NA) |
1084 | p->phy_interface = p->phy->interface; | |
c305c165 FF |
1085 | phy_connect_direct(slave_dev, p->phy, dsa_slave_adjust_link, |
1086 | p->phy_interface); | |
1087 | ||
1088 | return 0; | |
1089 | } | |
1090 | ||
9697f1cd | 1091 | static int dsa_slave_phy_setup(struct dsa_slave_priv *p, |
0d8bcdd3 FF |
1092 | struct net_device *slave_dev) |
1093 | { | |
1094 | struct dsa_switch *ds = p->parent; | |
0d8bcdd3 | 1095 | struct device_node *phy_dn, *port_dn; |
ce31b31c | 1096 | bool phy_is_fixed = false; |
6819563e | 1097 | u32 phy_flags = 0; |
19334920 | 1098 | int mode, ret; |
0d8bcdd3 | 1099 | |
189b0d93 | 1100 | port_dn = ds->ports[p->port].dn; |
19334920 GR |
1101 | mode = of_get_phy_mode(port_dn); |
1102 | if (mode < 0) | |
1103 | mode = PHY_INTERFACE_MODE_NA; | |
1104 | p->phy_interface = mode; | |
0d8bcdd3 FF |
1105 | |
1106 | phy_dn = of_parse_phandle(port_dn, "phy-handle", 0); | |
1107 | if (of_phy_is_fixed_link(port_dn)) { | |
1108 | /* In the case of a fixed PHY, the DT node associated | |
1109 | * to the fixed PHY is the Port DT node | |
1110 | */ | |
1111 | ret = of_phy_register_fixed_link(port_dn); | |
1112 | if (ret) { | |
d25b8e74 | 1113 | netdev_err(slave_dev, "failed to register fixed PHY: %d\n", ret); |
9697f1cd | 1114 | return ret; |
0d8bcdd3 | 1115 | } |
ce31b31c | 1116 | phy_is_fixed = true; |
0d8bcdd3 FF |
1117 | phy_dn = port_dn; |
1118 | } | |
1119 | ||
9d490b4e VD |
1120 | if (ds->ops->get_phy_flags) |
1121 | phy_flags = ds->ops->get_phy_flags(ds, p->port); | |
6819563e | 1122 | |
cd28a1a9 | 1123 | if (phy_dn) { |
d25b8e74 RK |
1124 | int phy_id = of_mdio_parse_addr(&slave_dev->dev, phy_dn); |
1125 | ||
cd28a1a9 FF |
1126 | /* If this PHY address is part of phys_mii_mask, which means |
1127 | * that we need to divert reads and writes to/from it, then we | |
1128 | * want to bind this device using the slave MII bus created by | |
1129 | * DSA to make that happen. | |
1130 | */ | |
d25b8e74 RK |
1131 | if (!phy_is_fixed && phy_id >= 0 && |
1132 | (ds->phys_mii_mask & (1 << phy_id))) { | |
1133 | ret = dsa_slave_phy_connect(p, slave_dev, phy_id); | |
1134 | if (ret) { | |
1135 | netdev_err(slave_dev, "failed to connect to phy%d: %d\n", phy_id, ret); | |
cd28a1a9 | 1136 | return ret; |
d25b8e74 | 1137 | } |
cd28a1a9 FF |
1138 | } else { |
1139 | p->phy = of_phy_connect(slave_dev, phy_dn, | |
1140 | dsa_slave_adjust_link, | |
1141 | phy_flags, | |
1142 | p->phy_interface); | |
1143 | } | |
1144 | } | |
0d8bcdd3 | 1145 | |
ce31b31c FF |
1146 | if (p->phy && phy_is_fixed) |
1147 | fixed_phy_set_link_update(p->phy, dsa_slave_fixed_link_update); | |
1148 | ||
0d8bcdd3 FF |
1149 | /* We could not connect to a designated PHY, so use the switch internal |
1150 | * MDIO bus instead | |
1151 | */ | |
b31f65fb | 1152 | if (!p->phy) { |
cd28a1a9 | 1153 | ret = dsa_slave_phy_connect(p, slave_dev, p->port); |
d25b8e74 RK |
1154 | if (ret) { |
1155 | netdev_err(slave_dev, "failed to connect to port %d: %d\n", p->port, ret); | |
c305c165 | 1156 | return ret; |
d25b8e74 | 1157 | } |
b31f65fb | 1158 | } |
9697f1cd | 1159 | |
2220943a AL |
1160 | phy_attached_info(p->phy); |
1161 | ||
9697f1cd | 1162 | return 0; |
0d8bcdd3 FF |
1163 | } |
1164 | ||
448b4482 AL |
1165 | static struct lock_class_key dsa_slave_netdev_xmit_lock_key; |
1166 | static void dsa_slave_set_lockdep_class_one(struct net_device *dev, | |
1167 | struct netdev_queue *txq, | |
1168 | void *_unused) | |
1169 | { | |
1170 | lockdep_set_class(&txq->_xmit_lock, | |
1171 | &dsa_slave_netdev_xmit_lock_key); | |
1172 | } | |
1173 | ||
24462549 FF |
1174 | int dsa_slave_suspend(struct net_device *slave_dev) |
1175 | { | |
1176 | struct dsa_slave_priv *p = netdev_priv(slave_dev); | |
1177 | ||
24462549 FF |
1178 | if (p->phy) { |
1179 | phy_stop(p->phy); | |
1180 | p->old_pause = -1; | |
1181 | p->old_link = -1; | |
1182 | p->old_duplex = -1; | |
1183 | phy_suspend(p->phy); | |
1184 | } | |
1185 | ||
1186 | return 0; | |
1187 | } | |
1188 | ||
1189 | int dsa_slave_resume(struct net_device *slave_dev) | |
1190 | { | |
1191 | struct dsa_slave_priv *p = netdev_priv(slave_dev); | |
1192 | ||
1193 | netif_device_attach(slave_dev); | |
1194 | ||
1195 | if (p->phy) { | |
1196 | phy_resume(p->phy); | |
1197 | phy_start(p->phy); | |
1198 | } | |
1199 | ||
1200 | return 0; | |
1201 | } | |
1202 | ||
d87d6f44 | 1203 | int dsa_slave_create(struct dsa_switch *ds, struct device *parent, |
83c0afae | 1204 | int port, const char *name) |
91da11f8 | 1205 | { |
badf3ada | 1206 | struct dsa_switch_tree *dst = ds->dst; |
83c0afae | 1207 | struct net_device *master; |
91da11f8 LB |
1208 | struct net_device *slave_dev; |
1209 | struct dsa_slave_priv *p; | |
1210 | int ret; | |
1211 | ||
83c0afae AL |
1212 | master = ds->dst->master_netdev; |
1213 | if (ds->master_netdev) | |
1214 | master = ds->master_netdev; | |
1215 | ||
c835a677 TG |
1216 | slave_dev = alloc_netdev(sizeof(struct dsa_slave_priv), name, |
1217 | NET_NAME_UNKNOWN, ether_setup); | |
91da11f8 | 1218 | if (slave_dev == NULL) |
d87d6f44 | 1219 | return -ENOMEM; |
91da11f8 LB |
1220 | |
1221 | slave_dev->features = master->vlan_features; | |
7ad24ea4 | 1222 | slave_dev->ethtool_ops = &dsa_slave_ethtool_ops; |
2fcc8005 | 1223 | eth_hw_addr_inherit(slave_dev, master); |
0a5f107b | 1224 | slave_dev->priv_flags |= IFF_NO_QUEUE; |
3e8a72d1 | 1225 | slave_dev->netdev_ops = &dsa_slave_netdev_ops; |
9d47c0a2 | 1226 | slave_dev->switchdev_ops = &dsa_slave_switchdev_ops; |
f37db85d | 1227 | SET_NETDEV_DEVTYPE(slave_dev, &dsa_type); |
d442ad4a | 1228 | |
448b4482 AL |
1229 | netdev_for_each_tx_queue(slave_dev, dsa_slave_set_lockdep_class_one, |
1230 | NULL); | |
1231 | ||
5075314e | 1232 | SET_NETDEV_DEV(slave_dev, parent); |
189b0d93 | 1233 | slave_dev->dev.of_node = ds->ports[port].dn; |
5075314e AD |
1234 | slave_dev->vlan_features = master->vlan_features; |
1235 | ||
1236 | p = netdev_priv(slave_dev); | |
5075314e AD |
1237 | p->parent = ds; |
1238 | p->port = port; | |
39a7f2a4 | 1239 | p->xmit = dst->tag_ops->xmit; |
d442ad4a | 1240 | |
0d8bcdd3 FF |
1241 | p->old_pause = -1; |
1242 | p->old_link = -1; | |
1243 | p->old_duplex = -1; | |
1244 | ||
c8b09808 | 1245 | ds->ports[port].netdev = slave_dev; |
91da11f8 LB |
1246 | ret = register_netdev(slave_dev); |
1247 | if (ret) { | |
a2ae6007 JP |
1248 | netdev_err(master, "error %d registering interface %s\n", |
1249 | ret, slave_dev->name); | |
c8b09808 | 1250 | ds->ports[port].netdev = NULL; |
91da11f8 | 1251 | free_netdev(slave_dev); |
d87d6f44 | 1252 | return ret; |
91da11f8 LB |
1253 | } |
1254 | ||
1255 | netif_carrier_off(slave_dev); | |
1256 | ||
0071f56e AL |
1257 | ret = dsa_slave_phy_setup(p, slave_dev); |
1258 | if (ret) { | |
1259 | netdev_err(master, "error %d setting up slave phy\n", ret); | |
73dcb556 | 1260 | unregister_netdev(slave_dev); |
0071f56e AL |
1261 | free_netdev(slave_dev); |
1262 | return ret; | |
1263 | } | |
1264 | ||
d87d6f44 | 1265 | return 0; |
91da11f8 | 1266 | } |
b73adef6 | 1267 | |
cda5c15b NA |
1268 | void dsa_slave_destroy(struct net_device *slave_dev) |
1269 | { | |
1270 | struct dsa_slave_priv *p = netdev_priv(slave_dev); | |
1271 | ||
1272 | netif_carrier_off(slave_dev); | |
1273 | if (p->phy) | |
1274 | phy_disconnect(p->phy); | |
1275 | unregister_netdev(slave_dev); | |
1276 | free_netdev(slave_dev); | |
1277 | } | |
1278 | ||
b73adef6 FF |
1279 | static bool dsa_slave_dev_check(struct net_device *dev) |
1280 | { | |
1281 | return dev->netdev_ops == &dsa_slave_netdev_ops; | |
1282 | } | |
1283 | ||
6debb68a VD |
1284 | static int dsa_slave_port_upper_event(struct net_device *dev, |
1285 | unsigned long event, void *ptr) | |
b73adef6 | 1286 | { |
6debb68a VD |
1287 | struct netdev_notifier_changeupper_info *info = ptr; |
1288 | struct net_device *upper = info->upper_dev; | |
b73adef6 FF |
1289 | int err = 0; |
1290 | ||
6debb68a VD |
1291 | switch (event) { |
1292 | case NETDEV_CHANGEUPPER: | |
1293 | if (netif_is_bridge_master(upper)) { | |
1294 | if (info->linking) | |
1295 | err = dsa_slave_bridge_port_join(dev, upper); | |
1296 | else | |
1297 | dsa_slave_bridge_port_leave(dev); | |
1298 | } | |
b73adef6 | 1299 | |
6debb68a VD |
1300 | break; |
1301 | } | |
1302 | ||
1303 | return notifier_from_errno(err); | |
b73adef6 FF |
1304 | } |
1305 | ||
6debb68a VD |
1306 | static int dsa_slave_port_event(struct net_device *dev, unsigned long event, |
1307 | void *ptr) | |
b73adef6 | 1308 | { |
b73adef6 FF |
1309 | switch (event) { |
1310 | case NETDEV_CHANGEUPPER: | |
6debb68a VD |
1311 | return dsa_slave_port_upper_event(dev, event, ptr); |
1312 | } | |
b73adef6 | 1313 | |
6debb68a VD |
1314 | return NOTIFY_DONE; |
1315 | } | |
b73adef6 | 1316 | |
6debb68a VD |
1317 | int dsa_slave_netdevice_event(struct notifier_block *unused, |
1318 | unsigned long event, void *ptr) | |
1319 | { | |
1320 | struct net_device *dev = netdev_notifier_info_to_dev(ptr); | |
1321 | ||
1322 | if (dsa_slave_dev_check(dev)) | |
1323 | return dsa_slave_port_event(dev, event, ptr); | |
b73adef6 | 1324 | |
b73adef6 FF |
1325 | return NOTIFY_DONE; |
1326 | } |