1/* SPDX-License-Identifier: GPL-2.0+ */
2/* Copyright (C) 2018 Microchip Technology Inc. */
3
4#include <linux/netdevice.h>
5#include <linux/net_tstamp.h>
6#include <linux/pci.h>
7#include <linux/phy.h>
8#include "lan743x_main.h"
9#include "lan743x_ethtool.h"
10#include <linux/sched.h>
11#include <linux/iopoll.h>
12
13/* eeprom */
14#define LAN743X_EEPROM_MAGIC (0x74A5)
15#define LAN743X_OTP_MAGIC (0x74F3)
16#define EEPROM_INDICATOR_1 (0xA5)
17#define EEPROM_INDICATOR_2 (0xAA)
18#define EEPROM_MAC_OFFSET (0x01)
19#define MAX_EEPROM_SIZE (512)
20#define MAX_OTP_SIZE (1024)
21#define OTP_INDICATOR_1 (0xF3)
22#define OTP_INDICATOR_2 (0xF7)
23
24#define LOCK_TIMEOUT_MAX_CNT (100) // 1 sec (10 msce * 100)
25
26#define LAN743X_CSR_READ_OP(offset) lan743x_csr_read(adapter, offset)
27
28static int lan743x_otp_power_up(struct lan743x_adapter *adapter)
29{
30 u32 reg_value;
31
32 reg_value = lan743x_csr_read(adapter, OTP_PWR_DN);
33
34 if (reg_value & OTP_PWR_DN_PWRDN_N_) {
35 /* clear it and wait to be cleared */
36 reg_value &= ~OTP_PWR_DN_PWRDN_N_;
37 lan743x_csr_write(adapter, OTP_PWR_DN, data: reg_value);
38
39 usleep_range(min: 100, max: 20000);
40 }
41
42 return 0;
43}
44
45static void lan743x_otp_power_down(struct lan743x_adapter *adapter)
46{
47 u32 reg_value;
48
49 reg_value = lan743x_csr_read(adapter, OTP_PWR_DN);
50 if (!(reg_value & OTP_PWR_DN_PWRDN_N_)) {
51 /* set power down bit */
52 reg_value |= OTP_PWR_DN_PWRDN_N_;
53 lan743x_csr_write(adapter, OTP_PWR_DN, data: reg_value);
54 }
55}
56
57static void lan743x_otp_set_address(struct lan743x_adapter *adapter,
58 u32 address)
59{
60 lan743x_csr_write(adapter, OTP_ADDR_HIGH, data: (address >> 8) & 0x03);
61 lan743x_csr_write(adapter, OTP_ADDR_LOW, data: address & 0xFF);
62}
63
64static void lan743x_otp_read_go(struct lan743x_adapter *adapter)
65{
66 lan743x_csr_write(adapter, OTP_FUNC_CMD, OTP_FUNC_CMD_READ_);
67 lan743x_csr_write(adapter, OTP_CMD_GO, OTP_CMD_GO_GO_);
68}
69
70static int lan743x_otp_wait_till_not_busy(struct lan743x_adapter *adapter)
71{
72 unsigned long timeout;
73 u32 reg_val;
74
75 timeout = jiffies + HZ;
76 do {
77 if (time_after(jiffies, timeout)) {
78 netif_warn(adapter, drv, adapter->netdev,
79 "Timeout on OTP_STATUS completion\n");
80 return -EIO;
81 }
82 udelay(1);
83 reg_val = lan743x_csr_read(adapter, OTP_STATUS);
84 } while (reg_val & OTP_STATUS_BUSY_);
85
86 return 0;
87}
88
89static int lan743x_otp_read(struct lan743x_adapter *adapter, u32 offset,
90 u32 length, u8 *data)
91{
92 int ret;
93 int i;
94
95 if (offset + length > MAX_OTP_SIZE)
96 return -EINVAL;
97
98 ret = lan743x_otp_power_up(adapter);
99 if (ret < 0)
100 return ret;
101
102 ret = lan743x_otp_wait_till_not_busy(adapter);
103 if (ret < 0)
104 return ret;
105
106 for (i = 0; i < length; i++) {
107 lan743x_otp_set_address(adapter, address: offset + i);
108
109 lan743x_otp_read_go(adapter);
110 ret = lan743x_otp_wait_till_not_busy(adapter);
111 if (ret < 0)
112 return ret;
113 data[i] = lan743x_csr_read(adapter, OTP_READ_DATA);
114 }
115
116 lan743x_otp_power_down(adapter);
117
118 return 0;
119}
120
121static int lan743x_otp_write(struct lan743x_adapter *adapter, u32 offset,
122 u32 length, u8 *data)
123{
124 int ret;
125 int i;
126
127 if (offset + length > MAX_OTP_SIZE)
128 return -EINVAL;
129
130 ret = lan743x_otp_power_up(adapter);
131 if (ret < 0)
132 return ret;
133
134 ret = lan743x_otp_wait_till_not_busy(adapter);
135 if (ret < 0)
136 return ret;
137
138 /* set to BYTE program mode */
139 lan743x_csr_write(adapter, OTP_PRGM_MODE, OTP_PRGM_MODE_BYTE_);
140
141 for (i = 0; i < length; i++) {
142 lan743x_otp_set_address(adapter, address: offset + i);
143
144 lan743x_csr_write(adapter, OTP_PRGM_DATA, data: data[i]);
145 lan743x_csr_write(adapter, OTP_TST_CMD, OTP_TST_CMD_PRGVRFY_);
146 lan743x_csr_write(adapter, OTP_CMD_GO, OTP_CMD_GO_GO_);
147
148 ret = lan743x_otp_wait_till_not_busy(adapter);
149 if (ret < 0)
150 return ret;
151 }
152
153 lan743x_otp_power_down(adapter);
154
155 return 0;
156}
157
158int lan743x_hs_syslock_acquire(struct lan743x_adapter *adapter,
159 u16 timeout)
160{
161 u16 timeout_cnt = 0;
162 u32 val;
163
164 do {
165 spin_lock(lock: &adapter->eth_syslock_spinlock);
166 if (adapter->eth_syslock_acquire_cnt == 0) {
167 lan743x_csr_write(adapter, ETH_SYSTEM_SYS_LOCK_REG,
168 SYS_LOCK_REG_ENET_SS_LOCK_);
169 val = lan743x_csr_read(adapter,
170 ETH_SYSTEM_SYS_LOCK_REG);
171 if (val & SYS_LOCK_REG_ENET_SS_LOCK_) {
172 adapter->eth_syslock_acquire_cnt++;
173 WARN_ON(adapter->eth_syslock_acquire_cnt == 0);
174 spin_unlock(lock: &adapter->eth_syslock_spinlock);
175 break;
176 }
177 } else {
178 adapter->eth_syslock_acquire_cnt++;
179 WARN_ON(adapter->eth_syslock_acquire_cnt == 0);
180 spin_unlock(lock: &adapter->eth_syslock_spinlock);
181 break;
182 }
183
184 spin_unlock(lock: &adapter->eth_syslock_spinlock);
185
186 if (timeout_cnt++ < timeout)
187 usleep_range(min: 10000, max: 11000);
188 else
189 return -ETIMEDOUT;
190 } while (true);
191
192 return 0;
193}
194
195void lan743x_hs_syslock_release(struct lan743x_adapter *adapter)
196{
197 u32 val;
198
199 spin_lock(lock: &adapter->eth_syslock_spinlock);
200 WARN_ON(adapter->eth_syslock_acquire_cnt == 0);
201
202 if (adapter->eth_syslock_acquire_cnt) {
203 adapter->eth_syslock_acquire_cnt--;
204 if (adapter->eth_syslock_acquire_cnt == 0) {
205 lan743x_csr_write(adapter, ETH_SYSTEM_SYS_LOCK_REG, data: 0);
206 val = lan743x_csr_read(adapter,
207 ETH_SYSTEM_SYS_LOCK_REG);
208 WARN_ON((val & SYS_LOCK_REG_ENET_SS_LOCK_) != 0);
209 }
210 }
211
212 spin_unlock(lock: &adapter->eth_syslock_spinlock);
213}
214
215static void lan743x_hs_otp_power_up(struct lan743x_adapter *adapter)
216{
217 u32 reg_value;
218
219 reg_value = lan743x_csr_read(adapter, HS_OTP_PWR_DN);
220 if (reg_value & OTP_PWR_DN_PWRDN_N_) {
221 reg_value &= ~OTP_PWR_DN_PWRDN_N_;
222 lan743x_csr_write(adapter, HS_OTP_PWR_DN, data: reg_value);
223 /* To flush the posted write so the subsequent delay is
224 * guaranteed to happen after the write at the hardware
225 */
226 lan743x_csr_read(adapter, HS_OTP_PWR_DN);
227 udelay(1);
228 }
229}
230
231static void lan743x_hs_otp_power_down(struct lan743x_adapter *adapter)
232{
233 u32 reg_value;
234
235 reg_value = lan743x_csr_read(adapter, HS_OTP_PWR_DN);
236 if (!(reg_value & OTP_PWR_DN_PWRDN_N_)) {
237 reg_value |= OTP_PWR_DN_PWRDN_N_;
238 lan743x_csr_write(adapter, HS_OTP_PWR_DN, data: reg_value);
239 /* To flush the posted write so the subsequent delay is
240 * guaranteed to happen after the write at the hardware
241 */
242 lan743x_csr_read(adapter, HS_OTP_PWR_DN);
243 udelay(1);
244 }
245}
246
247static void lan743x_hs_otp_set_address(struct lan743x_adapter *adapter,
248 u32 address)
249{
250 lan743x_csr_write(adapter, HS_OTP_ADDR_HIGH, data: (address >> 8) & 0x03);
251 lan743x_csr_write(adapter, HS_OTP_ADDR_LOW, data: address & 0xFF);
252}
253
254static void lan743x_hs_otp_read_go(struct lan743x_adapter *adapter)
255{
256 lan743x_csr_write(adapter, HS_OTP_FUNC_CMD, OTP_FUNC_CMD_READ_);
257 lan743x_csr_write(adapter, HS_OTP_CMD_GO, OTP_CMD_GO_GO_);
258}
259
260static int lan743x_hs_otp_cmd_cmplt_chk(struct lan743x_adapter *adapter)
261{
262 u32 val;
263
264 return readx_poll_timeout(LAN743X_CSR_READ_OP, HS_OTP_STATUS, val,
265 !(val & OTP_STATUS_BUSY_),
266 80, 10000);
267}
268
269static int lan743x_hs_otp_read(struct lan743x_adapter *adapter, u32 offset,
270 u32 length, u8 *data)
271{
272 int ret;
273 int i;
274
275 ret = lan743x_hs_syslock_acquire(adapter, LOCK_TIMEOUT_MAX_CNT);
276 if (ret < 0)
277 return ret;
278
279 lan743x_hs_otp_power_up(adapter);
280
281 ret = lan743x_hs_otp_cmd_cmplt_chk(adapter);
282 if (ret < 0)
283 goto power_down;
284
285 lan743x_hs_syslock_release(adapter);
286
287 for (i = 0; i < length; i++) {
288 ret = lan743x_hs_syslock_acquire(adapter,
289 LOCK_TIMEOUT_MAX_CNT);
290 if (ret < 0)
291 return ret;
292
293 lan743x_hs_otp_set_address(adapter, address: offset + i);
294
295 lan743x_hs_otp_read_go(adapter);
296 ret = lan743x_hs_otp_cmd_cmplt_chk(adapter);
297 if (ret < 0)
298 goto power_down;
299
300 data[i] = lan743x_csr_read(adapter, HS_OTP_READ_DATA);
301
302 lan743x_hs_syslock_release(adapter);
303 }
304
305 ret = lan743x_hs_syslock_acquire(adapter,
306 LOCK_TIMEOUT_MAX_CNT);
307 if (ret < 0)
308 return ret;
309
310power_down:
311 lan743x_hs_otp_power_down(adapter);
312 lan743x_hs_syslock_release(adapter);
313
314 return ret;
315}
316
317static int lan743x_hs_otp_write(struct lan743x_adapter *adapter, u32 offset,
318 u32 length, u8 *data)
319{
320 int ret;
321 int i;
322
323 ret = lan743x_hs_syslock_acquire(adapter, LOCK_TIMEOUT_MAX_CNT);
324 if (ret < 0)
325 return ret;
326
327 lan743x_hs_otp_power_up(adapter);
328
329 ret = lan743x_hs_otp_cmd_cmplt_chk(adapter);
330 if (ret < 0)
331 goto power_down;
332
333 /* set to BYTE program mode */
334 lan743x_csr_write(adapter, HS_OTP_PRGM_MODE, OTP_PRGM_MODE_BYTE_);
335
336 lan743x_hs_syslock_release(adapter);
337
338 for (i = 0; i < length; i++) {
339 ret = lan743x_hs_syslock_acquire(adapter,
340 LOCK_TIMEOUT_MAX_CNT);
341 if (ret < 0)
342 return ret;
343
344 lan743x_hs_otp_set_address(adapter, address: offset + i);
345
346 lan743x_csr_write(adapter, HS_OTP_PRGM_DATA, data: data[i]);
347 lan743x_csr_write(adapter, HS_OTP_TST_CMD,
348 OTP_TST_CMD_PRGVRFY_);
349 lan743x_csr_write(adapter, HS_OTP_CMD_GO, OTP_CMD_GO_GO_);
350
351 ret = lan743x_hs_otp_cmd_cmplt_chk(adapter);
352 if (ret < 0)
353 goto power_down;
354
355 lan743x_hs_syslock_release(adapter);
356 }
357
358 ret = lan743x_hs_syslock_acquire(adapter, LOCK_TIMEOUT_MAX_CNT);
359 if (ret < 0)
360 return ret;
361
362power_down:
363 lan743x_hs_otp_power_down(adapter);
364 lan743x_hs_syslock_release(adapter);
365
366 return ret;
367}
368
369static int lan743x_eeprom_wait(struct lan743x_adapter *adapter)
370{
371 unsigned long start_time = jiffies;
372 u32 val;
373
374 do {
375 val = lan743x_csr_read(adapter, E2P_CMD);
376
377 if (!(val & E2P_CMD_EPC_BUSY_) ||
378 (val & E2P_CMD_EPC_TIMEOUT_))
379 break;
380 usleep_range(min: 40, max: 100);
381 } while (!time_after(jiffies, start_time + HZ));
382
383 if (val & (E2P_CMD_EPC_TIMEOUT_ | E2P_CMD_EPC_BUSY_)) {
384 netif_warn(adapter, drv, adapter->netdev,
385 "EEPROM read operation timeout\n");
386 return -EIO;
387 }
388
389 return 0;
390}
391
392static int lan743x_eeprom_confirm_not_busy(struct lan743x_adapter *adapter)
393{
394 unsigned long start_time = jiffies;
395 u32 val;
396
397 do {
398 val = lan743x_csr_read(adapter, E2P_CMD);
399
400 if (!(val & E2P_CMD_EPC_BUSY_))
401 return 0;
402
403 usleep_range(min: 40, max: 100);
404 } while (!time_after(jiffies, start_time + HZ));
405
406 netif_warn(adapter, drv, adapter->netdev, "EEPROM is busy\n");
407 return -EIO;
408}
409
410static int lan743x_eeprom_read(struct lan743x_adapter *adapter,
411 u32 offset, u32 length, u8 *data)
412{
413 int retval;
414 u32 val;
415 int i;
416
417 if (offset + length > MAX_EEPROM_SIZE)
418 return -EINVAL;
419
420 retval = lan743x_eeprom_confirm_not_busy(adapter);
421 if (retval)
422 return retval;
423
424 for (i = 0; i < length; i++) {
425 val = E2P_CMD_EPC_BUSY_ | E2P_CMD_EPC_CMD_READ_;
426 val |= (offset & E2P_CMD_EPC_ADDR_MASK_);
427 lan743x_csr_write(adapter, E2P_CMD, data: val);
428
429 retval = lan743x_eeprom_wait(adapter);
430 if (retval < 0)
431 return retval;
432
433 val = lan743x_csr_read(adapter, E2P_DATA);
434 data[i] = val & 0xFF;
435 offset++;
436 }
437
438 return 0;
439}
440
441static int lan743x_eeprom_write(struct lan743x_adapter *adapter,
442 u32 offset, u32 length, u8 *data)
443{
444 int retval;
445 u32 val;
446 int i;
447
448 if (offset + length > MAX_EEPROM_SIZE)
449 return -EINVAL;
450
451 retval = lan743x_eeprom_confirm_not_busy(adapter);
452 if (retval)
453 return retval;
454
455 /* Issue write/erase enable command */
456 val = E2P_CMD_EPC_BUSY_ | E2P_CMD_EPC_CMD_EWEN_;
457 lan743x_csr_write(adapter, E2P_CMD, data: val);
458
459 retval = lan743x_eeprom_wait(adapter);
460 if (retval < 0)
461 return retval;
462
463 for (i = 0; i < length; i++) {
464 /* Fill data register */
465 val = data[i];
466 lan743x_csr_write(adapter, E2P_DATA, data: val);
467
468 /* Send "write" command */
469 val = E2P_CMD_EPC_BUSY_ | E2P_CMD_EPC_CMD_WRITE_;
470 val |= (offset & E2P_CMD_EPC_ADDR_MASK_);
471 lan743x_csr_write(adapter, E2P_CMD, data: val);
472
473 retval = lan743x_eeprom_wait(adapter);
474 if (retval < 0)
475 return retval;
476
477 offset++;
478 }
479
480 return 0;
481}
482
483static int lan743x_hs_eeprom_cmd_cmplt_chk(struct lan743x_adapter *adapter)
484{
485 u32 val;
486
487 return readx_poll_timeout(LAN743X_CSR_READ_OP, HS_E2P_CMD, val,
488 (!(val & HS_E2P_CMD_EPC_BUSY_) ||
489 (val & HS_E2P_CMD_EPC_TIMEOUT_)),
490 50, 10000);
491}
492
493static int lan743x_hs_eeprom_read(struct lan743x_adapter *adapter,
494 u32 offset, u32 length, u8 *data)
495{
496 int retval;
497 u32 val;
498 int i;
499
500 retval = lan743x_hs_syslock_acquire(adapter, LOCK_TIMEOUT_MAX_CNT);
501 if (retval < 0)
502 return retval;
503
504 retval = lan743x_hs_eeprom_cmd_cmplt_chk(adapter);
505 lan743x_hs_syslock_release(adapter);
506 if (retval < 0)
507 return retval;
508
509 for (i = 0; i < length; i++) {
510 retval = lan743x_hs_syslock_acquire(adapter,
511 LOCK_TIMEOUT_MAX_CNT);
512 if (retval < 0)
513 return retval;
514
515 val = HS_E2P_CMD_EPC_BUSY_ | HS_E2P_CMD_EPC_CMD_READ_;
516 val |= (offset & HS_E2P_CMD_EPC_ADDR_MASK_);
517 lan743x_csr_write(adapter, HS_E2P_CMD, data: val);
518 retval = lan743x_hs_eeprom_cmd_cmplt_chk(adapter);
519 if (retval < 0) {
520 lan743x_hs_syslock_release(adapter);
521 return retval;
522 }
523
524 val = lan743x_csr_read(adapter, HS_E2P_DATA);
525
526 lan743x_hs_syslock_release(adapter);
527
528 data[i] = val & 0xFF;
529 offset++;
530 }
531
532 return 0;
533}
534
535static int lan743x_hs_eeprom_write(struct lan743x_adapter *adapter,
536 u32 offset, u32 length, u8 *data)
537{
538 int retval;
539 u32 val;
540 int i;
541
542 retval = lan743x_hs_syslock_acquire(adapter, LOCK_TIMEOUT_MAX_CNT);
543 if (retval < 0)
544 return retval;
545
546 retval = lan743x_hs_eeprom_cmd_cmplt_chk(adapter);
547 lan743x_hs_syslock_release(adapter);
548 if (retval < 0)
549 return retval;
550
551 for (i = 0; i < length; i++) {
552 retval = lan743x_hs_syslock_acquire(adapter,
553 LOCK_TIMEOUT_MAX_CNT);
554 if (retval < 0)
555 return retval;
556
557 /* Fill data register */
558 val = data[i];
559 lan743x_csr_write(adapter, HS_E2P_DATA, data: val);
560
561 /* Send "write" command */
562 val = HS_E2P_CMD_EPC_BUSY_ | HS_E2P_CMD_EPC_CMD_WRITE_;
563 val |= (offset & HS_E2P_CMD_EPC_ADDR_MASK_);
564 lan743x_csr_write(adapter, HS_E2P_CMD, data: val);
565
566 retval = lan743x_hs_eeprom_cmd_cmplt_chk(adapter);
567 lan743x_hs_syslock_release(adapter);
568 if (retval < 0)
569 return retval;
570
571 offset++;
572 }
573
574 return 0;
575}
576
577static void lan743x_ethtool_get_drvinfo(struct net_device *netdev,
578 struct ethtool_drvinfo *info)
579{
580 struct lan743x_adapter *adapter = netdev_priv(dev: netdev);
581
582 strscpy(p: info->driver, DRIVER_NAME, size: sizeof(info->driver));
583 strscpy(p: info->bus_info,
584 q: pci_name(pdev: adapter->pdev), size: sizeof(info->bus_info));
585}
586
587static u32 lan743x_ethtool_get_msglevel(struct net_device *netdev)
588{
589 struct lan743x_adapter *adapter = netdev_priv(dev: netdev);
590
591 return adapter->msg_enable;
592}
593
594static void lan743x_ethtool_set_msglevel(struct net_device *netdev,
595 u32 msglevel)
596{
597 struct lan743x_adapter *adapter = netdev_priv(dev: netdev);
598
599 adapter->msg_enable = msglevel;
600}
601
602static int lan743x_ethtool_get_eeprom_len(struct net_device *netdev)
603{
604 struct lan743x_adapter *adapter = netdev_priv(dev: netdev);
605
606 if (adapter->flags & LAN743X_ADAPTER_FLAG_OTP)
607 return MAX_OTP_SIZE;
608
609 return MAX_EEPROM_SIZE;
610}
611
612static int lan743x_ethtool_get_eeprom(struct net_device *netdev,
613 struct ethtool_eeprom *ee, u8 *data)
614{
615 struct lan743x_adapter *adapter = netdev_priv(dev: netdev);
616 int ret = 0;
617
618 if (adapter->flags & LAN743X_ADAPTER_FLAG_OTP) {
619 if (adapter->is_pci11x1x)
620 ret = lan743x_hs_otp_read(adapter, offset: ee->offset,
621 length: ee->len, data);
622 else
623 ret = lan743x_otp_read(adapter, offset: ee->offset,
624 length: ee->len, data);
625 } else {
626 if (adapter->is_pci11x1x)
627 ret = lan743x_hs_eeprom_read(adapter, offset: ee->offset,
628 length: ee->len, data);
629 else
630 ret = lan743x_eeprom_read(adapter, offset: ee->offset,
631 length: ee->len, data);
632 }
633
634 return ret;
635}
636
637static int lan743x_ethtool_set_eeprom(struct net_device *netdev,
638 struct ethtool_eeprom *ee, u8 *data)
639{
640 struct lan743x_adapter *adapter = netdev_priv(dev: netdev);
641 int ret = -EINVAL;
642
643 if (adapter->flags & LAN743X_ADAPTER_FLAG_OTP) {
644 /* Beware! OTP is One Time Programming ONLY! */
645 if (ee->magic == LAN743X_OTP_MAGIC) {
646 if (adapter->is_pci11x1x)
647 ret = lan743x_hs_otp_write(adapter, offset: ee->offset,
648 length: ee->len, data);
649 else
650 ret = lan743x_otp_write(adapter, offset: ee->offset,
651 length: ee->len, data);
652 }
653 } else {
654 if (ee->magic == LAN743X_EEPROM_MAGIC) {
655 if (adapter->is_pci11x1x)
656 ret = lan743x_hs_eeprom_write(adapter,
657 offset: ee->offset,
658 length: ee->len, data);
659 else
660 ret = lan743x_eeprom_write(adapter, offset: ee->offset,
661 length: ee->len, data);
662 }
663 }
664
665 return ret;
666}
667
668static const char lan743x_set0_hw_cnt_strings[][ETH_GSTRING_LEN] = {
669 "RX FCS Errors",
670 "RX Alignment Errors",
671 "Rx Fragment Errors",
672 "RX Jabber Errors",
673 "RX Undersize Frame Errors",
674 "RX Oversize Frame Errors",
675 "RX Dropped Frames",
676 "RX Unicast Byte Count",
677 "RX Broadcast Byte Count",
678 "RX Multicast Byte Count",
679 "RX Unicast Frames",
680 "RX Broadcast Frames",
681 "RX Multicast Frames",
682 "RX Pause Frames",
683 "RX 64 Byte Frames",
684 "RX 65 - 127 Byte Frames",
685 "RX 128 - 255 Byte Frames",
686 "RX 256 - 511 Bytes Frames",
687 "RX 512 - 1023 Byte Frames",
688 "RX 1024 - 1518 Byte Frames",
689 "RX Greater 1518 Byte Frames",
690};
691
692static const char lan743x_set1_sw_cnt_strings[][ETH_GSTRING_LEN] = {
693 "RX Queue 0 Frames",
694 "RX Queue 1 Frames",
695 "RX Queue 2 Frames",
696 "RX Queue 3 Frames",
697};
698
699static const char lan743x_tx_queue_cnt_strings[][ETH_GSTRING_LEN] = {
700 "TX Queue 0 Frames",
701 "TX Queue 1 Frames",
702 "TX Queue 2 Frames",
703 "TX Queue 3 Frames",
704 "TX Total Queue Frames",
705};
706
707static const char lan743x_set2_hw_cnt_strings[][ETH_GSTRING_LEN] = {
708 "RX Total Frames",
709 "EEE RX LPI Transitions",
710 "EEE RX LPI Time",
711 "RX Counter Rollover Status",
712 "TX FCS Errors",
713 "TX Excess Deferral Errors",
714 "TX Carrier Errors",
715 "TX Bad Byte Count",
716 "TX Single Collisions",
717 "TX Multiple Collisions",
718 "TX Excessive Collision",
719 "TX Late Collisions",
720 "TX Unicast Byte Count",
721 "TX Broadcast Byte Count",
722 "TX Multicast Byte Count",
723 "TX Unicast Frames",
724 "TX Broadcast Frames",
725 "TX Multicast Frames",
726 "TX Pause Frames",
727 "TX 64 Byte Frames",
728 "TX 65 - 127 Byte Frames",
729 "TX 128 - 255 Byte Frames",
730 "TX 256 - 511 Bytes Frames",
731 "TX 512 - 1023 Byte Frames",
732 "TX 1024 - 1518 Byte Frames",
733 "TX Greater 1518 Byte Frames",
734 "TX Total Frames",
735 "EEE TX LPI Transitions",
736 "EEE TX LPI Time",
737 "TX Counter Rollover Status",
738};
739
740static const u32 lan743x_set0_hw_cnt_addr[] = {
741 STAT_RX_FCS_ERRORS,
742 STAT_RX_ALIGNMENT_ERRORS,
743 STAT_RX_FRAGMENT_ERRORS,
744 STAT_RX_JABBER_ERRORS,
745 STAT_RX_UNDERSIZE_FRAME_ERRORS,
746 STAT_RX_OVERSIZE_FRAME_ERRORS,
747 STAT_RX_DROPPED_FRAMES,
748 STAT_RX_UNICAST_BYTE_COUNT,
749 STAT_RX_BROADCAST_BYTE_COUNT,
750 STAT_RX_MULTICAST_BYTE_COUNT,
751 STAT_RX_UNICAST_FRAMES,
752 STAT_RX_BROADCAST_FRAMES,
753 STAT_RX_MULTICAST_FRAMES,
754 STAT_RX_PAUSE_FRAMES,
755 STAT_RX_64_BYTE_FRAMES,
756 STAT_RX_65_127_BYTE_FRAMES,
757 STAT_RX_128_255_BYTE_FRAMES,
758 STAT_RX_256_511_BYTES_FRAMES,
759 STAT_RX_512_1023_BYTE_FRAMES,
760 STAT_RX_1024_1518_BYTE_FRAMES,
761 STAT_RX_GREATER_1518_BYTE_FRAMES,
762};
763
764static const u32 lan743x_set2_hw_cnt_addr[] = {
765 STAT_RX_TOTAL_FRAMES,
766 STAT_EEE_RX_LPI_TRANSITIONS,
767 STAT_EEE_RX_LPI_TIME,
768 STAT_RX_COUNTER_ROLLOVER_STATUS,
769 STAT_TX_FCS_ERRORS,
770 STAT_TX_EXCESS_DEFERRAL_ERRORS,
771 STAT_TX_CARRIER_ERRORS,
772 STAT_TX_BAD_BYTE_COUNT,
773 STAT_TX_SINGLE_COLLISIONS,
774 STAT_TX_MULTIPLE_COLLISIONS,
775 STAT_TX_EXCESSIVE_COLLISION,
776 STAT_TX_LATE_COLLISIONS,
777 STAT_TX_UNICAST_BYTE_COUNT,
778 STAT_TX_BROADCAST_BYTE_COUNT,
779 STAT_TX_MULTICAST_BYTE_COUNT,
780 STAT_TX_UNICAST_FRAMES,
781 STAT_TX_BROADCAST_FRAMES,
782 STAT_TX_MULTICAST_FRAMES,
783 STAT_TX_PAUSE_FRAMES,
784 STAT_TX_64_BYTE_FRAMES,
785 STAT_TX_65_127_BYTE_FRAMES,
786 STAT_TX_128_255_BYTE_FRAMES,
787 STAT_TX_256_511_BYTES_FRAMES,
788 STAT_TX_512_1023_BYTE_FRAMES,
789 STAT_TX_1024_1518_BYTE_FRAMES,
790 STAT_TX_GREATER_1518_BYTE_FRAMES,
791 STAT_TX_TOTAL_FRAMES,
792 STAT_EEE_TX_LPI_TRANSITIONS,
793 STAT_EEE_TX_LPI_TIME,
794 STAT_TX_COUNTER_ROLLOVER_STATUS
795};
796
797static const char lan743x_priv_flags_strings[][ETH_GSTRING_LEN] = {
798 "OTP_ACCESS",
799};
800
801static void lan743x_ethtool_get_strings(struct net_device *netdev,
802 u32 stringset, u8 *data)
803{
804 struct lan743x_adapter *adapter = netdev_priv(dev: netdev);
805
806 switch (stringset) {
807 case ETH_SS_STATS:
808 memcpy(data, lan743x_set0_hw_cnt_strings,
809 sizeof(lan743x_set0_hw_cnt_strings));
810 memcpy(&data[sizeof(lan743x_set0_hw_cnt_strings)],
811 lan743x_set1_sw_cnt_strings,
812 sizeof(lan743x_set1_sw_cnt_strings));
813 memcpy(&data[sizeof(lan743x_set0_hw_cnt_strings) +
814 sizeof(lan743x_set1_sw_cnt_strings)],
815 lan743x_set2_hw_cnt_strings,
816 sizeof(lan743x_set2_hw_cnt_strings));
817 if (adapter->is_pci11x1x) {
818 memcpy(&data[sizeof(lan743x_set0_hw_cnt_strings) +
819 sizeof(lan743x_set1_sw_cnt_strings) +
820 sizeof(lan743x_set2_hw_cnt_strings)],
821 lan743x_tx_queue_cnt_strings,
822 sizeof(lan743x_tx_queue_cnt_strings));
823 }
824 break;
825 case ETH_SS_PRIV_FLAGS:
826 memcpy(data, lan743x_priv_flags_strings,
827 sizeof(lan743x_priv_flags_strings));
828 break;
829 }
830}
831
832static void lan743x_ethtool_get_ethtool_stats(struct net_device *netdev,
833 struct ethtool_stats *stats,
834 u64 *data)
835{
836 struct lan743x_adapter *adapter = netdev_priv(dev: netdev);
837 u64 total_queue_count = 0;
838 int data_index = 0;
839 u64 pkt_cnt;
840 u32 buf;
841 int i;
842
843 for (i = 0; i < ARRAY_SIZE(lan743x_set0_hw_cnt_addr); i++) {
844 buf = lan743x_csr_read(adapter, offset: lan743x_set0_hw_cnt_addr[i]);
845 data[data_index++] = (u64)buf;
846 }
847 for (i = 0; i < ARRAY_SIZE(adapter->rx); i++)
848 data[data_index++] = (u64)(adapter->rx[i].frame_count);
849 for (i = 0; i < ARRAY_SIZE(lan743x_set2_hw_cnt_addr); i++) {
850 buf = lan743x_csr_read(adapter, offset: lan743x_set2_hw_cnt_addr[i]);
851 data[data_index++] = (u64)buf;
852 }
853 if (adapter->is_pci11x1x) {
854 for (i = 0; i < ARRAY_SIZE(adapter->tx); i++) {
855 pkt_cnt = (u64)(adapter->tx[i].frame_count);
856 data[data_index++] = pkt_cnt;
857 total_queue_count += pkt_cnt;
858 }
859 data[data_index++] = total_queue_count;
860 }
861}
862
863static u32 lan743x_ethtool_get_priv_flags(struct net_device *netdev)
864{
865 struct lan743x_adapter *adapter = netdev_priv(dev: netdev);
866
867 return adapter->flags;
868}
869
870static int lan743x_ethtool_set_priv_flags(struct net_device *netdev, u32 flags)
871{
872 struct lan743x_adapter *adapter = netdev_priv(dev: netdev);
873
874 adapter->flags = flags;
875
876 return 0;
877}
878
879static int lan743x_ethtool_get_sset_count(struct net_device *netdev, int sset)
880{
881 struct lan743x_adapter *adapter = netdev_priv(dev: netdev);
882
883 switch (sset) {
884 case ETH_SS_STATS:
885 {
886 int ret;
887
888 ret = ARRAY_SIZE(lan743x_set0_hw_cnt_strings);
889 ret += ARRAY_SIZE(lan743x_set1_sw_cnt_strings);
890 ret += ARRAY_SIZE(lan743x_set2_hw_cnt_strings);
891 if (adapter->is_pci11x1x)
892 ret += ARRAY_SIZE(lan743x_tx_queue_cnt_strings);
893 return ret;
894 }
895 case ETH_SS_PRIV_FLAGS:
896 return ARRAY_SIZE(lan743x_priv_flags_strings);
897 default:
898 return -EOPNOTSUPP;
899 }
900}
901
902static int lan743x_ethtool_get_rxnfc(struct net_device *netdev,
903 struct ethtool_rxnfc *rxnfc,
904 u32 *rule_locs)
905{
906 switch (rxnfc->cmd) {
907 case ETHTOOL_GRXFH:
908 rxnfc->data = 0;
909 switch (rxnfc->flow_type) {
910 case TCP_V4_FLOW:case UDP_V4_FLOW:
911 case TCP_V6_FLOW:case UDP_V6_FLOW:
912 rxnfc->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
913 fallthrough;
914 case IPV4_FLOW: case IPV6_FLOW:
915 rxnfc->data |= RXH_IP_SRC | RXH_IP_DST;
916 return 0;
917 }
918 break;
919 case ETHTOOL_GRXRINGS:
920 rxnfc->data = LAN743X_USED_RX_CHANNELS;
921 return 0;
922 }
923 return -EOPNOTSUPP;
924}
925
926static u32 lan743x_ethtool_get_rxfh_key_size(struct net_device *netdev)
927{
928 return 40;
929}
930
931static u32 lan743x_ethtool_get_rxfh_indir_size(struct net_device *netdev)
932{
933 return 128;
934}
935
936static int lan743x_ethtool_get_rxfh(struct net_device *netdev,
937 u32 *indir, u8 *key, u8 *hfunc)
938{
939 struct lan743x_adapter *adapter = netdev_priv(dev: netdev);
940
941 if (indir) {
942 int dw_index;
943 int byte_index = 0;
944
945 for (dw_index = 0; dw_index < 32; dw_index++) {
946 u32 four_entries =
947 lan743x_csr_read(adapter, RFE_INDX(dw_index));
948
949 byte_index = dw_index << 2;
950 indir[byte_index + 0] =
951 ((four_entries >> 0) & 0x000000FF);
952 indir[byte_index + 1] =
953 ((four_entries >> 8) & 0x000000FF);
954 indir[byte_index + 2] =
955 ((four_entries >> 16) & 0x000000FF);
956 indir[byte_index + 3] =
957 ((four_entries >> 24) & 0x000000FF);
958 }
959 }
960 if (key) {
961 int dword_index;
962 int byte_index = 0;
963
964 for (dword_index = 0; dword_index < 10; dword_index++) {
965 u32 four_entries =
966 lan743x_csr_read(adapter,
967 RFE_HASH_KEY(dword_index));
968
969 byte_index = dword_index << 2;
970 key[byte_index + 0] =
971 ((four_entries >> 0) & 0x000000FF);
972 key[byte_index + 1] =
973 ((four_entries >> 8) & 0x000000FF);
974 key[byte_index + 2] =
975 ((four_entries >> 16) & 0x000000FF);
976 key[byte_index + 3] =
977 ((four_entries >> 24) & 0x000000FF);
978 }
979 }
980 if (hfunc)
981 (*hfunc) = ETH_RSS_HASH_TOP;
982 return 0;
983}
984
985static int lan743x_ethtool_set_rxfh(struct net_device *netdev,
986 const u32 *indir, const u8 *key,
987 const u8 hfunc)
988{
989 struct lan743x_adapter *adapter = netdev_priv(dev: netdev);
990
991 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
992 return -EOPNOTSUPP;
993
994 if (indir) {
995 u32 indir_value = 0;
996 int dword_index = 0;
997 int byte_index = 0;
998
999 for (dword_index = 0; dword_index < 32; dword_index++) {
1000 byte_index = dword_index << 2;
1001 indir_value =
1002 (((indir[byte_index + 0] & 0x000000FF) << 0) |
1003 ((indir[byte_index + 1] & 0x000000FF) << 8) |
1004 ((indir[byte_index + 2] & 0x000000FF) << 16) |
1005 ((indir[byte_index + 3] & 0x000000FF) << 24));
1006 lan743x_csr_write(adapter, RFE_INDX(dword_index),
1007 data: indir_value);
1008 }
1009 }
1010 if (key) {
1011 int dword_index = 0;
1012 int byte_index = 0;
1013 u32 key_value = 0;
1014
1015 for (dword_index = 0; dword_index < 10; dword_index++) {
1016 byte_index = dword_index << 2;
1017 key_value =
1018 ((((u32)(key[byte_index + 0])) << 0) |
1019 (((u32)(key[byte_index + 1])) << 8) |
1020 (((u32)(key[byte_index + 2])) << 16) |
1021 (((u32)(key[byte_index + 3])) << 24));
1022 lan743x_csr_write(adapter, RFE_HASH_KEY(dword_index),
1023 data: key_value);
1024 }
1025 }
1026 return 0;
1027}
1028
1029static int lan743x_ethtool_get_ts_info(struct net_device *netdev,
1030 struct ethtool_ts_info *ts_info)
1031{
1032 struct lan743x_adapter *adapter = netdev_priv(dev: netdev);
1033
1034 ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1035 SOF_TIMESTAMPING_RX_SOFTWARE |
1036 SOF_TIMESTAMPING_SOFTWARE |
1037 SOF_TIMESTAMPING_TX_HARDWARE |
1038 SOF_TIMESTAMPING_RX_HARDWARE |
1039 SOF_TIMESTAMPING_RAW_HARDWARE;
1040
1041 if (adapter->ptp.ptp_clock)
1042 ts_info->phc_index = ptp_clock_index(ptp: adapter->ptp.ptp_clock);
1043 else
1044 ts_info->phc_index = -1;
1045
1046 ts_info->tx_types = BIT(HWTSTAMP_TX_OFF) |
1047 BIT(HWTSTAMP_TX_ON) |
1048 BIT(HWTSTAMP_TX_ONESTEP_SYNC);
1049 ts_info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1050 BIT(HWTSTAMP_FILTER_ALL) |
1051 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
1052 return 0;
1053}
1054
1055static int lan743x_ethtool_get_eee(struct net_device *netdev,
1056 struct ethtool_eee *eee)
1057{
1058 struct lan743x_adapter *adapter = netdev_priv(dev: netdev);
1059 struct phy_device *phydev = netdev->phydev;
1060 u32 buf;
1061 int ret;
1062
1063 if (!phydev)
1064 return -EIO;
1065 if (!phydev->drv) {
1066 netif_err(adapter, drv, adapter->netdev,
1067 "Missing PHY Driver\n");
1068 return -EIO;
1069 }
1070
1071 ret = phy_ethtool_get_eee(phydev, data: eee);
1072 if (ret < 0)
1073 return ret;
1074
1075 buf = lan743x_csr_read(adapter, MAC_CR);
1076 if (buf & MAC_CR_EEE_EN_) {
1077 eee->eee_enabled = true;
1078 eee->eee_active = !!(eee->advertised & eee->lp_advertised);
1079 eee->tx_lpi_enabled = true;
1080 /* EEE_TX_LPI_REQ_DLY & tx_lpi_timer are same uSec unit */
1081 buf = lan743x_csr_read(adapter, MAC_EEE_TX_LPI_REQ_DLY_CNT);
1082 eee->tx_lpi_timer = buf;
1083 } else {
1084 eee->eee_enabled = false;
1085 eee->eee_active = false;
1086 eee->tx_lpi_enabled = false;
1087 eee->tx_lpi_timer = 0;
1088 }
1089
1090 return 0;
1091}
1092
1093static int lan743x_ethtool_set_eee(struct net_device *netdev,
1094 struct ethtool_eee *eee)
1095{
1096 struct lan743x_adapter *adapter;
1097 struct phy_device *phydev;
1098 u32 buf = 0;
1099 int ret = 0;
1100
1101 if (!netdev)
1102 return -EINVAL;
1103 adapter = netdev_priv(dev: netdev);
1104 if (!adapter)
1105 return -EINVAL;
1106 phydev = netdev->phydev;
1107 if (!phydev)
1108 return -EIO;
1109 if (!phydev->drv) {
1110 netif_err(adapter, drv, adapter->netdev,
1111 "Missing PHY Driver\n");
1112 return -EIO;
1113 }
1114
1115 if (eee->eee_enabled) {
1116 ret = phy_init_eee(phydev, clk_stop_enable: false);
1117 if (ret) {
1118 netif_err(adapter, drv, adapter->netdev,
1119 "EEE initialization failed\n");
1120 return ret;
1121 }
1122
1123 buf = (u32)eee->tx_lpi_timer;
1124 lan743x_csr_write(adapter, MAC_EEE_TX_LPI_REQ_DLY_CNT, data: buf);
1125
1126 buf = lan743x_csr_read(adapter, MAC_CR);
1127 buf |= MAC_CR_EEE_EN_;
1128 lan743x_csr_write(adapter, MAC_CR, data: buf);
1129 } else {
1130 buf = lan743x_csr_read(adapter, MAC_CR);
1131 buf &= ~MAC_CR_EEE_EN_;
1132 lan743x_csr_write(adapter, MAC_CR, data: buf);
1133 }
1134
1135 return phy_ethtool_set_eee(phydev, data: eee);
1136}
1137
1138#ifdef CONFIG_PM
1139static void lan743x_ethtool_get_wol(struct net_device *netdev,
1140 struct ethtool_wolinfo *wol)
1141{
1142 struct lan743x_adapter *adapter = netdev_priv(dev: netdev);
1143
1144 wol->supported = 0;
1145 wol->wolopts = 0;
1146
1147 if (netdev->phydev)
1148 phy_ethtool_get_wol(phydev: netdev->phydev, wol);
1149
1150 wol->supported |= WAKE_BCAST | WAKE_UCAST | WAKE_MCAST |
1151 WAKE_MAGIC | WAKE_PHY | WAKE_ARP;
1152
1153 if (adapter->is_pci11x1x)
1154 wol->supported |= WAKE_MAGICSECURE;
1155
1156 wol->wolopts |= adapter->wolopts;
1157 if (adapter->wolopts & WAKE_MAGICSECURE)
1158 memcpy(wol->sopass, adapter->sopass, sizeof(wol->sopass));
1159}
1160
1161static int lan743x_ethtool_set_wol(struct net_device *netdev,
1162 struct ethtool_wolinfo *wol)
1163{
1164 struct lan743x_adapter *adapter = netdev_priv(dev: netdev);
1165
1166 adapter->wolopts = 0;
1167 if (wol->wolopts & WAKE_UCAST)
1168 adapter->wolopts |= WAKE_UCAST;
1169 if (wol->wolopts & WAKE_MCAST)
1170 adapter->wolopts |= WAKE_MCAST;
1171 if (wol->wolopts & WAKE_BCAST)
1172 adapter->wolopts |= WAKE_BCAST;
1173 if (wol->wolopts & WAKE_MAGIC)
1174 adapter->wolopts |= WAKE_MAGIC;
1175 if (wol->wolopts & WAKE_PHY)
1176 adapter->wolopts |= WAKE_PHY;
1177 if (wol->wolopts & WAKE_ARP)
1178 adapter->wolopts |= WAKE_ARP;
1179 if (wol->wolopts & WAKE_MAGICSECURE &&
1180 wol->wolopts & WAKE_MAGIC) {
1181 memcpy(adapter->sopass, wol->sopass, sizeof(wol->sopass));
1182 adapter->wolopts |= WAKE_MAGICSECURE;
1183 } else {
1184 memset(adapter->sopass, 0, sizeof(u8) * SOPASS_MAX);
1185 }
1186
1187 device_set_wakeup_enable(dev: &adapter->pdev->dev, enable: (bool)wol->wolopts);
1188
1189 return netdev->phydev ? phy_ethtool_set_wol(phydev: netdev->phydev, wol)
1190 : -ENETDOWN;
1191}
1192#endif /* CONFIG_PM */
1193
1194static void lan743x_common_regs(struct net_device *dev, void *p)
1195{
1196 struct lan743x_adapter *adapter = netdev_priv(dev);
1197 u32 *rb = p;
1198
1199 memset(p, 0, (MAX_LAN743X_ETH_COMMON_REGS * sizeof(u32)));
1200
1201 rb[ETH_PRIV_FLAGS] = adapter->flags;
1202 rb[ETH_ID_REV] = lan743x_csr_read(adapter, ID_REV);
1203 rb[ETH_FPGA_REV] = lan743x_csr_read(adapter, FPGA_REV);
1204 rb[ETH_STRAP_READ] = lan743x_csr_read(adapter, STRAP_READ);
1205 rb[ETH_INT_STS] = lan743x_csr_read(adapter, INT_STS);
1206 rb[ETH_HW_CFG] = lan743x_csr_read(adapter, HW_CFG);
1207 rb[ETH_PMT_CTL] = lan743x_csr_read(adapter, PMT_CTL);
1208 rb[ETH_E2P_CMD] = lan743x_csr_read(adapter, E2P_CMD);
1209 rb[ETH_E2P_DATA] = lan743x_csr_read(adapter, E2P_DATA);
1210 rb[ETH_MAC_CR] = lan743x_csr_read(adapter, MAC_CR);
1211 rb[ETH_MAC_RX] = lan743x_csr_read(adapter, MAC_RX);
1212 rb[ETH_MAC_TX] = lan743x_csr_read(adapter, MAC_TX);
1213 rb[ETH_FLOW] = lan743x_csr_read(adapter, MAC_FLOW);
1214 rb[ETH_MII_ACC] = lan743x_csr_read(adapter, MAC_MII_ACC);
1215 rb[ETH_MII_DATA] = lan743x_csr_read(adapter, MAC_MII_DATA);
1216 rb[ETH_EEE_TX_LPI_REQ_DLY] = lan743x_csr_read(adapter,
1217 MAC_EEE_TX_LPI_REQ_DLY_CNT);
1218 rb[ETH_WUCSR] = lan743x_csr_read(adapter, MAC_WUCSR);
1219 rb[ETH_WK_SRC] = lan743x_csr_read(adapter, MAC_WK_SRC);
1220}
1221
1222static void lan743x_sgmii_regs(struct net_device *dev, void *p)
1223{
1224 struct lan743x_adapter *adp = netdev_priv(dev);
1225 u32 *rb = p;
1226 u16 idx;
1227 int val;
1228 struct {
1229 u8 id;
1230 u8 dev;
1231 u16 addr;
1232 } regs[] = {
1233 { ETH_SR_VSMMD_DEV_ID1, MDIO_MMD_VEND1, 0x0002},
1234 { ETH_SR_VSMMD_DEV_ID2, MDIO_MMD_VEND1, 0x0003},
1235 { ETH_SR_VSMMD_PCS_ID1, MDIO_MMD_VEND1, 0x0004},
1236 { ETH_SR_VSMMD_PCS_ID2, MDIO_MMD_VEND1, 0x0005},
1237 { ETH_SR_VSMMD_STS, MDIO_MMD_VEND1, 0x0008},
1238 { ETH_SR_VSMMD_CTRL, MDIO_MMD_VEND1, 0x0009},
1239 { ETH_SR_MII_CTRL, MDIO_MMD_VEND2, 0x0000},
1240 { ETH_SR_MII_STS, MDIO_MMD_VEND2, 0x0001},
1241 { ETH_SR_MII_DEV_ID1, MDIO_MMD_VEND2, 0x0002},
1242 { ETH_SR_MII_DEV_ID2, MDIO_MMD_VEND2, 0x0003},
1243 { ETH_SR_MII_AN_ADV, MDIO_MMD_VEND2, 0x0004},
1244 { ETH_SR_MII_LP_BABL, MDIO_MMD_VEND2, 0x0005},
1245 { ETH_SR_MII_EXPN, MDIO_MMD_VEND2, 0x0006},
1246 { ETH_SR_MII_EXT_STS, MDIO_MMD_VEND2, 0x000F},
1247 { ETH_SR_MII_TIME_SYNC_ABL, MDIO_MMD_VEND2, 0x0708},
1248 { ETH_SR_MII_TIME_SYNC_TX_MAX_DLY_LWR, MDIO_MMD_VEND2, 0x0709},
1249 { ETH_SR_MII_TIME_SYNC_TX_MAX_DLY_UPR, MDIO_MMD_VEND2, 0x070A},
1250 { ETH_SR_MII_TIME_SYNC_TX_MIN_DLY_LWR, MDIO_MMD_VEND2, 0x070B},
1251 { ETH_SR_MII_TIME_SYNC_TX_MIN_DLY_UPR, MDIO_MMD_VEND2, 0x070C},
1252 { ETH_SR_MII_TIME_SYNC_RX_MAX_DLY_LWR, MDIO_MMD_VEND2, 0x070D},
1253 { ETH_SR_MII_TIME_SYNC_RX_MAX_DLY_UPR, MDIO_MMD_VEND2, 0x070E},
1254 { ETH_SR_MII_TIME_SYNC_RX_MIN_DLY_LWR, MDIO_MMD_VEND2, 0x070F},
1255 { ETH_SR_MII_TIME_SYNC_RX_MIN_DLY_UPR, MDIO_MMD_VEND2, 0x0710},
1256 { ETH_VR_MII_DIG_CTRL1, MDIO_MMD_VEND2, 0x8000},
1257 { ETH_VR_MII_AN_CTRL, MDIO_MMD_VEND2, 0x8001},
1258 { ETH_VR_MII_AN_INTR_STS, MDIO_MMD_VEND2, 0x8002},
1259 { ETH_VR_MII_TC, MDIO_MMD_VEND2, 0x8003},
1260 { ETH_VR_MII_DBG_CTRL, MDIO_MMD_VEND2, 0x8005},
1261 { ETH_VR_MII_EEE_MCTRL0, MDIO_MMD_VEND2, 0x8006},
1262 { ETH_VR_MII_EEE_TXTIMER, MDIO_MMD_VEND2, 0x8008},
1263 { ETH_VR_MII_EEE_RXTIMER, MDIO_MMD_VEND2, 0x8009},
1264 { ETH_VR_MII_LINK_TIMER_CTRL, MDIO_MMD_VEND2, 0x800A},
1265 { ETH_VR_MII_EEE_MCTRL1, MDIO_MMD_VEND2, 0x800B},
1266 { ETH_VR_MII_DIG_STS, MDIO_MMD_VEND2, 0x8010},
1267 { ETH_VR_MII_ICG_ERRCNT1, MDIO_MMD_VEND2, 0x8011},
1268 { ETH_VR_MII_GPIO, MDIO_MMD_VEND2, 0x8015},
1269 { ETH_VR_MII_EEE_LPI_STATUS, MDIO_MMD_VEND2, 0x8016},
1270 { ETH_VR_MII_EEE_WKERR, MDIO_MMD_VEND2, 0x8017},
1271 { ETH_VR_MII_MISC_STS, MDIO_MMD_VEND2, 0x8018},
1272 { ETH_VR_MII_RX_LSTS, MDIO_MMD_VEND2, 0x8020},
1273 { ETH_VR_MII_GEN2_GEN4_TX_BSTCTRL0, MDIO_MMD_VEND2, 0x8038},
1274 { ETH_VR_MII_GEN2_GEN4_TX_LVLCTRL0, MDIO_MMD_VEND2, 0x803A},
1275 { ETH_VR_MII_GEN2_GEN4_TXGENCTRL0, MDIO_MMD_VEND2, 0x803C},
1276 { ETH_VR_MII_GEN2_GEN4_TXGENCTRL1, MDIO_MMD_VEND2, 0x803D},
1277 { ETH_VR_MII_GEN4_TXGENCTRL2, MDIO_MMD_VEND2, 0x803E},
1278 { ETH_VR_MII_GEN2_GEN4_TX_STS, MDIO_MMD_VEND2, 0x8048},
1279 { ETH_VR_MII_GEN2_GEN4_RXGENCTRL0, MDIO_MMD_VEND2, 0x8058},
1280 { ETH_VR_MII_GEN2_GEN4_RXGENCTRL1, MDIO_MMD_VEND2, 0x8059},
1281 { ETH_VR_MII_GEN4_RXEQ_CTRL, MDIO_MMD_VEND2, 0x805B},
1282 { ETH_VR_MII_GEN4_RXLOS_CTRL0, MDIO_MMD_VEND2, 0x805D},
1283 { ETH_VR_MII_GEN2_GEN4_MPLL_CTRL0, MDIO_MMD_VEND2, 0x8078},
1284 { ETH_VR_MII_GEN2_GEN4_MPLL_CTRL1, MDIO_MMD_VEND2, 0x8079},
1285 { ETH_VR_MII_GEN2_GEN4_MPLL_STS, MDIO_MMD_VEND2, 0x8088},
1286 { ETH_VR_MII_GEN2_GEN4_LVL_CTRL, MDIO_MMD_VEND2, 0x8090},
1287 { ETH_VR_MII_GEN4_MISC_CTRL2, MDIO_MMD_VEND2, 0x8093},
1288 { ETH_VR_MII_GEN2_GEN4_MISC_CTRL0, MDIO_MMD_VEND2, 0x8099},
1289 { ETH_VR_MII_GEN2_GEN4_MISC_CTRL1, MDIO_MMD_VEND2, 0x809A},
1290 { ETH_VR_MII_SNPS_CR_CTRL, MDIO_MMD_VEND2, 0x80A0},
1291 { ETH_VR_MII_SNPS_CR_ADDR, MDIO_MMD_VEND2, 0x80A1},
1292 { ETH_VR_MII_SNPS_CR_DATA, MDIO_MMD_VEND2, 0x80A2},
1293 { ETH_VR_MII_DIG_CTRL2, MDIO_MMD_VEND2, 0x80E1},
1294 { ETH_VR_MII_DIG_ERRCNT, MDIO_MMD_VEND2, 0x80E2},
1295 };
1296
1297 for (idx = 0; idx < ARRAY_SIZE(regs); idx++) {
1298 val = lan743x_sgmii_read(adapter: adp, mmd: regs[idx].dev, addr: regs[idx].addr);
1299 if (val < 0)
1300 rb[regs[idx].id] = 0xFFFF;
1301 else
1302 rb[regs[idx].id] = val;
1303 }
1304}
1305
1306static int lan743x_get_regs_len(struct net_device *dev)
1307{
1308 struct lan743x_adapter *adapter = netdev_priv(dev);
1309 u32 num_regs = MAX_LAN743X_ETH_COMMON_REGS;
1310
1311 if (adapter->is_sgmii_en)
1312 num_regs += MAX_LAN743X_ETH_SGMII_REGS;
1313
1314 return num_regs * sizeof(u32);
1315}
1316
1317static void lan743x_get_regs(struct net_device *dev,
1318 struct ethtool_regs *regs, void *p)
1319{
1320 struct lan743x_adapter *adapter = netdev_priv(dev);
1321 int regs_len;
1322
1323 regs_len = lan743x_get_regs_len(dev);
1324 memset(p, 0, regs_len);
1325
1326 regs->version = LAN743X_ETH_REG_VERSION;
1327 regs->len = regs_len;
1328
1329 lan743x_common_regs(dev, p);
1330 p = (u32 *)p + MAX_LAN743X_ETH_COMMON_REGS;
1331
1332 if (adapter->is_sgmii_en) {
1333 lan743x_sgmii_regs(dev, p);
1334 p = (u32 *)p + MAX_LAN743X_ETH_SGMII_REGS;
1335 }
1336}
1337
1338static void lan743x_get_pauseparam(struct net_device *dev,
1339 struct ethtool_pauseparam *pause)
1340{
1341 struct lan743x_adapter *adapter = netdev_priv(dev);
1342 struct lan743x_phy *phy = &adapter->phy;
1343
1344 if (phy->fc_request_control & FLOW_CTRL_TX)
1345 pause->tx_pause = 1;
1346 if (phy->fc_request_control & FLOW_CTRL_RX)
1347 pause->rx_pause = 1;
1348 pause->autoneg = phy->fc_autoneg;
1349}
1350
1351static int lan743x_set_pauseparam(struct net_device *dev,
1352 struct ethtool_pauseparam *pause)
1353{
1354 struct lan743x_adapter *adapter = netdev_priv(dev);
1355 struct phy_device *phydev = dev->phydev;
1356 struct lan743x_phy *phy = &adapter->phy;
1357
1358 if (!phydev)
1359 return -ENODEV;
1360
1361 if (!phy_validate_pause(phydev, pp: pause))
1362 return -EINVAL;
1363
1364 phy->fc_request_control = 0;
1365 if (pause->rx_pause)
1366 phy->fc_request_control |= FLOW_CTRL_RX;
1367
1368 if (pause->tx_pause)
1369 phy->fc_request_control |= FLOW_CTRL_TX;
1370
1371 phy->fc_autoneg = pause->autoneg;
1372
1373 if (pause->autoneg == AUTONEG_DISABLE)
1374 lan743x_mac_flow_ctrl_set_enables(adapter, tx_enable: pause->tx_pause,
1375 rx_enable: pause->rx_pause);
1376 else
1377 phy_set_asym_pause(phydev, rx: pause->rx_pause, tx: pause->tx_pause);
1378
1379 return 0;
1380}
1381
1382const struct ethtool_ops lan743x_ethtool_ops = {
1383 .get_drvinfo = lan743x_ethtool_get_drvinfo,
1384 .get_msglevel = lan743x_ethtool_get_msglevel,
1385 .set_msglevel = lan743x_ethtool_set_msglevel,
1386 .get_link = ethtool_op_get_link,
1387
1388 .get_eeprom_len = lan743x_ethtool_get_eeprom_len,
1389 .get_eeprom = lan743x_ethtool_get_eeprom,
1390 .set_eeprom = lan743x_ethtool_set_eeprom,
1391 .get_strings = lan743x_ethtool_get_strings,
1392 .get_ethtool_stats = lan743x_ethtool_get_ethtool_stats,
1393 .get_priv_flags = lan743x_ethtool_get_priv_flags,
1394 .set_priv_flags = lan743x_ethtool_set_priv_flags,
1395 .get_sset_count = lan743x_ethtool_get_sset_count,
1396 .get_rxnfc = lan743x_ethtool_get_rxnfc,
1397 .get_rxfh_key_size = lan743x_ethtool_get_rxfh_key_size,
1398 .get_rxfh_indir_size = lan743x_ethtool_get_rxfh_indir_size,
1399 .get_rxfh = lan743x_ethtool_get_rxfh,
1400 .set_rxfh = lan743x_ethtool_set_rxfh,
1401 .get_ts_info = lan743x_ethtool_get_ts_info,
1402 .get_eee = lan743x_ethtool_get_eee,
1403 .set_eee = lan743x_ethtool_set_eee,
1404 .get_link_ksettings = phy_ethtool_get_link_ksettings,
1405 .set_link_ksettings = phy_ethtool_set_link_ksettings,
1406 .get_regs_len = lan743x_get_regs_len,
1407 .get_regs = lan743x_get_regs,
1408 .get_pauseparam = lan743x_get_pauseparam,
1409 .set_pauseparam = lan743x_set_pauseparam,
1410#ifdef CONFIG_PM
1411 .get_wol = lan743x_ethtool_get_wol,
1412 .set_wol = lan743x_ethtool_set_wol,
1413#endif
1414};
1415

source code of linux/drivers/net/ethernet/microchip/lan743x_ethtool.c