aboutsummaryrefslogtreecommitdiffstats
path: root/net/dsa/slave.c
blob: 515569ffde8a16af9eea82cc85ded4f8d5ce59cc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
/*
 * net/dsa/slave.c - Slave device handling
 * Copyright (c) 2008-2009 Marvell Semiconductor
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#include <linux/list.h>
#include <linux/etherdevice.h>
#include <linux/phy.h>
#include <linux/phy_fixed.h>
#include <linux/of_net.h>
#include <linux/of_mdio.h>
#include "dsa_priv.h"

/* slave mii_bus handling ***************************************************/
static int dsa_slave_phy_read(struct mii_bus *bus, int addr, int reg)
{
	struct dsa_switch *ds = bus->priv;

	if (ds->phys_mii_mask & (1 << addr))
		return ds->drv->phy_read(ds, addr, reg);

	return 0xffff;
}

static int dsa_slave_phy_write(struct mii_bus *bus, int addr, int reg, u16 val)
{
	struct dsa_switch *ds = bus->priv;

	if (ds->phys_mii_mask & (1 << addr))
		return ds->drv->phy_write(ds, addr, reg, val);

	return 0;
}

void dsa_slave_mii_bus_init(struct dsa_switch *ds)
{
	ds->slave_mii_bus->priv = (void *)ds;
	ds->slave_mii_bus->name = "dsa slave smi";
	ds->slave_mii_bus->read = dsa_slave_phy_read;
	ds->slave_mii_bus->write = dsa_slave_phy_write;
	snprintf(ds->slave_mii_bus->id, MII_BUS_ID_SIZE, "dsa-%d:%.2x",
			ds->index, ds->pd->sw_addr);
	ds->slave_mii_bus->parent = ds->master_dev;
}


/* slave device handling ****************************************************/
static int dsa_slave_init(struct net_device *dev)
{
	struct dsa_slave_priv *p = netdev_priv(dev);

	dev->iflink = p->parent->dst->master_netdev->ifindex;

	return 0;
}

static int dsa_slave_open(struct net_device *dev)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct net_device *master = p->parent->dst->master_netdev;
	struct dsa_switch *ds = p->parent;
	int err;

	if (!(master->flags & IFF_UP))
		return -ENETDOWN;

	if (!ether_addr_equal(dev->dev_addr, master->dev_addr)) {
		err = dev_uc_add(master, dev->dev_addr);
		if (err < 0)
			goto out;
	}

	if (dev->flags & IFF_ALLMULTI) {
		err = dev_set_allmulti(master, 1);
		if (err < 0)
			goto del_unicast;
	}
	if (dev->flags & IFF_PROMISC) {
		err = dev_set_promiscuity(master, 1);
		if (err < 0)
			goto clear_allmulti;
	}

	if (ds->drv->port_enable) {
		err = ds->drv->port_enable(ds, p->port, p->phy);
		if (err)
			goto clear_promisc;
	}

	if (p->phy)
		phy_start(p->phy);

	return 0;

clear_promisc:
	if (dev->flags & IFF_PROMISC)
		dev_set_promiscuity(master, 0);
clear_allmulti:
	if (dev->flags & IFF_ALLMULTI)
		dev_set_allmulti(master, -1);
del_unicast:
	if (!ether_addr_equal(dev->dev_addr, master->dev_addr))
		dev_uc_del(master, dev->dev_addr);
out:
	return err;
}

static int dsa_slave_close(struct net_device *dev)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct net_device *master = p->parent->dst->master_netdev;
	struct dsa_switch *ds = p->parent;

	if (p->phy)
		phy_stop(p->phy);

	dev_mc_unsync(master, dev);
	dev_uc_unsync(master, dev);
	if (dev->flags & IFF_ALLMULTI)
		dev_set_allmulti(master, -1);
	if (dev->flags & IFF_PROMISC)
		dev_set_promiscuity(master, -1);

	if (!ether_addr_equal(dev->dev_addr, master->dev_addr))
		dev_uc_del(master, dev->dev_addr);

	if (ds->drv->port_disable)
		ds->drv->port_disable(ds, p->port, p->phy);

	return 0;
}

static void dsa_slave_change_rx_flags(struct net_device *dev, int change)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct net_device *master = p->parent->dst->master_netdev;

	if (change & IFF_ALLMULTI)
		dev_set_allmulti(master, dev->flags & IFF_ALLMULTI ? 1 : -1);
	if (change & IFF_PROMISC)
		dev_set_promiscuity(master, dev->flags & IFF_PROMISC ? 1 : -1);
}

static void dsa_slave_set_rx_mode(struct net_device *dev)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct net_device *master = p->parent->dst->master_netdev;

	dev_mc_sync(master, dev);
	dev_uc_sync(master, dev);
}

static int dsa_slave_set_mac_address(struct net_device *dev, void *a)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct net_device *master = p->parent->dst->master_netdev;
	struct sockaddr *addr = a;
	int err;

	if (!is_valid_ether_addr(addr->sa_data))
		return -EADDRNOTAVAIL;

	if (!(dev->flags & IFF_UP))
		goto out;

	if (!ether_addr_equal(addr->sa_data, master->dev_addr)) {
		err = dev_uc_add(master, addr->sa_data);
		if (err < 0)
			return err;
	}

	if (!ether_addr_equal(dev->dev_addr, master->dev_addr))
		dev_uc_del(master, dev->dev_addr);

out:
	ether_addr_copy(dev->dev_addr, addr->sa_data);

	return 0;
}

static int dsa_slave_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
	struct dsa_slave_priv *p = netdev_priv(dev);

	if (p->phy != NULL)
		return phy_mii_ioctl(p->phy, ifr, cmd);

	return -EOPNOTSUPP;
}

static netdev_tx_t dsa_slave_xmit(struct sk_buff *skb, struct net_device *dev)
{
	struct dsa_slave_priv *p = netdev_priv(dev);

	return p->xmit(skb, dev);
}

static netdev_tx_t dsa_slave_notag_xmit(struct sk_buff *skb,
					struct net_device *dev)
{
	struct dsa_slave_priv *p = netdev_priv(dev);

	skb->dev = p->parent->dst->master_netdev;
	dev_queue_xmit(skb);

	return NETDEV_TX_OK;
}


/* ethtool operations *******************************************************/
static int
dsa_slave_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	int err;

	err = -EOPNOTSUPP;
	if (p->phy != NULL) {
		err = phy_read_status(p->phy);
		if (err == 0)
			err = phy_ethtool_gset(p->phy, cmd);
	}

	return err;
}

static int
dsa_slave_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	struct dsa_slave_priv *p = netdev_priv(dev);

	if (p->phy != NULL)
		return phy_ethtool_sset(p->phy, cmd);

	return -EOPNOTSUPP;
}

static void dsa_slave_get_drvinfo(struct net_device *dev,
				  struct ethtool_drvinfo *drvinfo)
{
	strlcpy(drvinfo->driver, "dsa", sizeof(drvinfo->driver));
	strlcpy(drvinfo->version, dsa_driver_version, sizeof(drvinfo->version));
	strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
	strlcpy(drvinfo->bus_info, "platform", sizeof(drvinfo->bus_info));
}

static int dsa_slave_get_regs_len(struct net_device *dev)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct dsa_switch *ds = p->parent;

	if (ds->drv->get_regs_len)
		return ds->drv->get_regs_len(ds, p->port);

	return -EOPNOTSUPP;
}

static void
dsa_slave_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct dsa_switch *ds = p->parent;

	if (ds->drv->get_regs)
		ds->drv->get_regs(ds, p->port, regs, _p);
}

static int dsa_slave_nway_reset(struct net_device *dev)
{
	struct dsa_slave_priv *p = netdev_priv(dev);

	if (p->phy != NULL)
		return genphy_restart_aneg(p->phy);

	return -EOPNOTSUPP;
}

static u32 dsa_slave_get_link(struct net_device *dev)
{
	struct dsa_slave_priv *p = netdev_priv(dev);

	if (p->phy != NULL) {
		genphy_update_link(p->phy);
		return p->phy->link;
	}

	return -EOPNOTSUPP;
}

static int dsa_slave_get_eeprom_len(struct net_device *dev)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct dsa_switch *ds = p->parent;

	if (ds->pd->eeprom_len)
		return ds->pd->eeprom_len;

	if (ds->drv->get_eeprom_len)
		return ds->drv->get_eeprom_len(ds);

	return 0;
}

static int dsa_slave_get_eeprom(struct net_device *dev,
				struct ethtool_eeprom *eeprom, u8 *data)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct dsa_switch *ds = p->parent;

	if (ds->drv->get_eeprom)
		return ds->drv->get_eeprom(ds, eeprom, data);

	return -EOPNOTSUPP;
}

static int dsa_slave_set_eeprom(struct net_device *dev,
				struct ethtool_eeprom *eeprom, u8 *data)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct dsa_switch *ds = p->parent;

	if (ds->drv->set_eeprom)
		return ds->drv->set_eeprom(ds, eeprom, data);

	return -EOPNOTSUPP;
}

static void dsa_slave_get_strings(struct net_device *dev,
				  uint32_t stringset, uint8_t *data)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct dsa_switch *ds = p->parent;

	if (stringset == ETH_SS_STATS) {
		int len = ETH_GSTRING_LEN;

		strncpy(data, "tx_packets", len);
		strncpy(data + len, "tx_bytes", len);
		strncpy(data + 2 * len, "rx_packets", len);
		strncpy(data + 3 * len, "rx_bytes", len);
		if (ds->drv->get_strings != NULL)
			ds->drv->get_strings(ds, p->port, data + 4 * len);
	}
}

static void dsa_slave_get_ethtool_stats(struct net_device *dev,
					struct ethtool_stats *stats,
					uint64_t *data)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct dsa_switch *ds = p->parent;

	data[0] = p->dev->stats.tx_packets;
	data[1] = p->dev->stats.tx_bytes;
	data[2] = p->dev->stats.rx_packets;
	data[3] = p->dev->stats.rx_bytes;
	if (ds->drv->get_ethtool_stats != NULL)
		ds->drv->get_ethtool_stats(ds, p->port, data + 4);
}

static int dsa_slave_get_sset_count(struct net_device *dev, int sset)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct dsa_switch *ds = p->parent;

	if (sset == ETH_SS_STATS) {
		int count;

		count = 4;
		if (ds->drv->get_sset_count != NULL)
			count += ds->drv->get_sset_count(ds);

		return count;
	}

	return -EOPNOTSUPP;
}

static void dsa_slave_get_wol(struct net_device *dev, struct ethtool_wolinfo *w)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct dsa_switch *ds = p->parent;

	if (ds->drv->get_wol)
		ds->drv->get_wol(ds, p->port, w);
}

static int dsa_slave_set_wol(struct net_device *dev, struct ethtool_wolinfo *w)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct dsa_switch *ds = p->parent;
	int ret = -EOPNOTSUPP;

	if (ds->drv->set_wol)
		ret = ds->drv->set_wol(ds, p->port, w);

	return ret;
}

static int dsa_slave_set_eee(struct net_device *dev, struct ethtool_eee *e)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct dsa_switch *ds = p->parent;
	int ret;

	if (!ds->drv->set_eee)
		return -EOPNOTSUPP;

	ret = ds->drv->set_eee(ds, p->port, p->phy, e);
	if (ret)
		return ret;

	if (p->phy)
		ret = phy_ethtool_set_eee(p->phy, e);

	return ret;
}

static int dsa_slave_get_eee(struct net_device *dev, struct ethtool_eee *e)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct dsa_switch *ds = p->parent;
	int ret;

	if (!ds->drv->get_eee)
		return -EOPNOTSUPP;

	ret = ds->drv->get_eee(ds, p->port, e);
	if (ret)
		return ret;

	if (p->phy)
		ret = phy_ethtool_get_eee(p->phy, e);

	return ret;
}

static const struct ethtool_ops dsa_slave_ethtool_ops = {
	.get_settings		= dsa_slave_get_settings,
	.set_settings		= dsa_slave_set_settings,
	.get_drvinfo		= dsa_slave_get_drvinfo,
	.get_regs_len		= dsa_slave_get_regs_len,
	.get_regs		= dsa_slave_get_regs,
	.nway_reset		= dsa_slave_nway_reset,
	.get_link		= dsa_slave_get_link,
	.get_eeprom_len		= dsa_slave_get_eeprom_len,
	.get_eeprom		= dsa_slave_get_eeprom,
	.set_eeprom		= dsa_slave_set_eeprom,
	.get_strings		= dsa_slave_get_strings,
	.get_ethtool_stats	= dsa_slave_get_ethtool_stats,
	.get_sset_count		= dsa_slave_get_sset_count,
	.set_wol		= dsa_slave_set_wol,
	.get_wol		= dsa_slave_get_wol,
	.set_eee		= dsa_slave_set_eee,
	.get_eee		= dsa_slave_get_eee,
};

static const struct net_device_ops dsa_slave_netdev_ops = {
	.ndo_init		= dsa_slave_init,
	.ndo_open	 	= dsa_slave_open,
	.ndo_stop		= dsa_slave_close,
	.ndo_start_xmit		= dsa_slave_xmit,
	.ndo_change_rx_flags	= dsa_slave_change_rx_flags,
	.ndo_set_rx_mode	= dsa_slave_set_rx_mode,
	.ndo_set_mac_address	= dsa_slave_set_mac_address,
	.ndo_do_ioctl		= dsa_slave_ioctl,
};

static void dsa_slave_adjust_link(struct net_device *dev)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct dsa_switch *ds = p->parent;
	unsigned int status_changed = 0;

	if (p->old_link != p->phy->link) {
		status_changed = 1;
		p->old_link = p->phy->link;
	}

	if (p->old_duplex != p->phy->duplex) {
		status_changed = 1;
		p->old_duplex = p->phy->duplex;
	}

	if (p->old_pause != p->phy->pause) {
		status_changed = 1;
		p->old_pause = p->phy->pause;
	}

	if (ds->drv->adjust_link && status_changed)
		ds->drv->adjust_link(ds, p->port, p->phy);

	if (status_changed)
		phy_print_status(p->phy);
}

static int dsa_slave_fixed_link_update(struct net_device *dev,
				       struct fixed_phy_status *status)
{
	struct dsa_slave_priv *p = netdev_priv(dev);
	struct dsa_switch *ds = p->parent;

	if (ds->drv->fixed_link_update)
		ds->drv->fixed_link_update(ds, p->port, status);

	return 0;
}

/* slave device setup *******************************************************/
static int dsa_slave_phy_setup(struct dsa_slave_priv *p,
				struct net_device *slave_dev)
{
	struct dsa_switch *ds = p->parent;
	struct dsa_chip_data *cd = ds->pd;
	struct device_node *phy_dn, *port_dn;
	bool phy_is_fixed = false;
	u32 phy_flags = 0;
	int ret;

	port_dn = cd->port_dn[p->port];
	p->phy_interface = of_get_phy_mode(port_dn);

	phy_dn = of_parse_phandle(port_dn, "phy-handle", 0);
	if (of_phy_is_fixed_link(port_dn)) {
		/* In the case of a fixed PHY, the DT node associated
		 * to the fixed PHY is the Port DT node
		 */
		ret = of_phy_register_fixed_link(port_dn);
		if (ret) {
			netdev_err(slave_dev, "failed to register fixed PHY\n");
			return ret;
		}
		phy_is_fixed = true;
		phy_dn = port_dn;
	}

	if (ds->drv->get_phy_flags)
		phy_flags = ds->drv->get_phy_flags(ds, p->port);

	if (phy_dn)
		p->phy = of_phy_connect(slave_dev, phy_dn,
					dsa_slave_adjust_link, phy_flags,
					p->phy_interface);

	if (p->phy && phy_is_fixed)
		fixed_phy_set_link_update(p->phy, dsa_slave_fixed_link_update);

	/* We could not connect to a designated PHY, so use the switch internal
	 * MDIO bus instead
	 */
	if (!p->phy) {
		p->phy = ds->slave_mii_bus->phy_map[p->port];
		if (!p->phy)
			return -ENODEV;

		phy_connect_direct(slave_dev, p->phy, dsa_slave_adjust_link,
				   p->phy_interface);
	} else {
		netdev_info(slave_dev, "attached PHY at address %d [%s]\n",
			    p->phy->addr, p->phy->drv->name);
	}

	return 0;
}

int dsa_slave_suspend(struct net_device *slave_dev)
{
	struct dsa_slave_priv *p = netdev_priv(slave_dev);

	netif_device_detach(slave_dev);

	if (p->phy) {
		phy_stop(p->phy);
		p->old_pause = -1;
		p->old_link = -1;
		p->old_duplex = -1;
		phy_suspend(p->phy);
	}

	return 0;
}

int dsa_slave_resume(struct net_device *slave_dev)
{
	struct dsa_slave_priv *p = netdev_priv(slave_dev);

	netif_device_attach(slave_dev);

	if (p->phy) {
		phy_resume(p->phy);
		phy_start(p->phy);
	}

	return 0;
}

struct net_device *
dsa_slave_create(struct dsa_switch *ds, struct device *parent,
		 int port, char *name)
{
	struct net_device *master = ds->dst->master_netdev;
	struct net_device *slave_dev;
	struct dsa_slave_priv *p;
	int ret;

	slave_dev = alloc_netdev(sizeof(struct dsa_slave_priv), name,
				 NET_NAME_UNKNOWN, ether_setup);
	if (slave_dev == NULL)
		return slave_dev;

	slave_dev->features = master->vlan_features;
	slave_dev->ethtool_ops = &dsa_slave_ethtool_ops;
	eth_hw_addr_inherit(slave_dev, master);
	slave_dev->tx_queue_len = 0;
	slave_dev->netdev_ops = &dsa_slave_netdev_ops;

	SET_NETDEV_DEV(slave_dev, parent);
	slave_dev->dev.of_node = ds->pd->port_dn[port];
	slave_dev->vlan_features = master->vlan_features;

	p = netdev_priv(slave_dev);
	p->dev = slave_dev;
	p->parent = ds;
	p->port = port;

	switch (ds->dst->tag_protocol) {
#ifdef CONFIG_NET_DSA_TAG_DSA
	case DSA_TAG_PROTO_DSA:
		p->xmit = dsa_netdev_ops.xmit;
		break;
#endif
#ifdef CONFIG_NET_DSA_TAG_EDSA
	case DSA_TAG_PROTO_EDSA:
		p->xmit = edsa_netdev_ops.xmit;
		break;
#endif
#ifdef CONFIG_NET_DSA_TAG_TRAILER
	case DSA_TAG_PROTO_TRAILER:
		p->xmit = trailer_netdev_ops.xmit;
		break;
#endif
#ifdef CONFIG_NET_DSA_TAG_BRCM
	case DSA_TAG_PROTO_BRCM:
		p->xmit = brcm_netdev_ops.xmit;
		break;
#endif
	default:
		p->xmit	= dsa_slave_notag_xmit;
		break;
	}

	p->old_pause = -1;
	p->old_link = -1;
	p->old_duplex = -1;

	ret = dsa_slave_phy_setup(p, slave_dev);
	if (ret) {
		free_netdev(slave_dev);
		return NULL;
	}

	ret = register_netdev(slave_dev);
	if (ret) {
		netdev_err(master, "error %d registering interface %s\n",
			   ret, slave_dev->name);
		phy_disconnect(p->phy);
		free_netdev(slave_dev);
		return NULL;
	}

	netif_carrier_off(slave_dev);

	if (p->phy != NULL) {
		if (ds->drv->get_phy_flags)
			p->phy->dev_flags |= ds->drv->get_phy_flags(ds, port);

		phy_attach(slave_dev, dev_name(&p->phy->dev),
			   PHY_INTERFACE_MODE_GMII);

		p->phy->autoneg = AUTONEG_ENABLE;
		p->phy->speed = 0;
		p->phy->duplex = 0;
		p->phy->advertising = p->phy->supported | ADVERTISED_Autoneg;
	}

	return slave_dev;
}

Privacy Policy