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
lan743x_otp_power_up(struct lan743x_adapter * adapter)28 static 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, reg_value);
38
39 usleep_range(100, 20000);
40 }
41
42 return 0;
43 }
44
lan743x_otp_power_down(struct lan743x_adapter * adapter)45 static 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, reg_value);
54 }
55 }
56
lan743x_otp_set_address(struct lan743x_adapter * adapter,u32 address)57 static void lan743x_otp_set_address(struct lan743x_adapter *adapter,
58 u32 address)
59 {
60 lan743x_csr_write(adapter, OTP_ADDR_HIGH, (address >> 8) & 0x03);
61 lan743x_csr_write(adapter, OTP_ADDR_LOW, address & 0xFF);
62 }
63
lan743x_otp_read_go(struct lan743x_adapter * adapter)64 static 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
lan743x_otp_wait_till_not_busy(struct lan743x_adapter * adapter)70 static 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
lan743x_otp_read(struct lan743x_adapter * adapter,u32 offset,u32 length,u8 * data)89 static 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, 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
lan743x_otp_write(struct lan743x_adapter * adapter,u32 offset,u32 length,u8 * data)121 static 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, offset + i);
143
144 lan743x_csr_write(adapter, OTP_PRGM_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
lan743x_hs_syslock_acquire(struct lan743x_adapter * adapter,u16 timeout)158 int 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(&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(&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(&adapter->eth_syslock_spinlock);
181 break;
182 }
183
184 spin_unlock(&adapter->eth_syslock_spinlock);
185
186 if (timeout_cnt++ < timeout)
187 usleep_range(10000, 11000);
188 else
189 return -ETIMEDOUT;
190 } while (true);
191
192 return 0;
193 }
194
lan743x_hs_syslock_release(struct lan743x_adapter * adapter)195 void lan743x_hs_syslock_release(struct lan743x_adapter *adapter)
196 {
197 u32 val;
198
199 spin_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, 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(&adapter->eth_syslock_spinlock);
213 }
214
lan743x_hs_otp_power_up(struct lan743x_adapter * adapter)215 static 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, 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
lan743x_hs_otp_power_down(struct lan743x_adapter * adapter)231 static 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, 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
lan743x_hs_otp_set_address(struct lan743x_adapter * adapter,u32 address)247 static void lan743x_hs_otp_set_address(struct lan743x_adapter *adapter,
248 u32 address)
249 {
250 lan743x_csr_write(adapter, HS_OTP_ADDR_HIGH, (address >> 8) & 0x03);
251 lan743x_csr_write(adapter, HS_OTP_ADDR_LOW, address & 0xFF);
252 }
253
lan743x_hs_otp_read_go(struct lan743x_adapter * adapter)254 static 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
lan743x_hs_otp_cmd_cmplt_chk(struct lan743x_adapter * adapter)260 static 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
lan743x_hs_otp_read(struct lan743x_adapter * adapter,u32 offset,u32 length,u8 * data)269 static 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, 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
310 power_down:
311 lan743x_hs_otp_power_down(adapter);
312 lan743x_hs_syslock_release(adapter);
313
314 return ret;
315 }
316
lan743x_hs_otp_write(struct lan743x_adapter * adapter,u32 offset,u32 length,u8 * data)317 static 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, offset + i);
345
346 lan743x_csr_write(adapter, HS_OTP_PRGM_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
362 power_down:
363 lan743x_hs_otp_power_down(adapter);
364 lan743x_hs_syslock_release(adapter);
365
366 return ret;
367 }
368
lan743x_eeprom_wait(struct lan743x_adapter * adapter)369 static 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(40, 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
lan743x_eeprom_confirm_not_busy(struct lan743x_adapter * adapter)392 static 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(40, 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
lan743x_eeprom_read(struct lan743x_adapter * adapter,u32 offset,u32 length,u8 * data)410 static 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, 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
lan743x_eeprom_write(struct lan743x_adapter * adapter,u32 offset,u32 length,u8 * data)441 static 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, 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, 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, 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
lan743x_hs_eeprom_cmd_cmplt_chk(struct lan743x_adapter * adapter)483 static 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
lan743x_hs_eeprom_read(struct lan743x_adapter * adapter,u32 offset,u32 length,u8 * data)493 static 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, 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
lan743x_hs_eeprom_write(struct lan743x_adapter * adapter,u32 offset,u32 length,u8 * data)535 static 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, 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, 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
lan743x_ethtool_get_drvinfo(struct net_device * netdev,struct ethtool_drvinfo * info)577 static void lan743x_ethtool_get_drvinfo(struct net_device *netdev,
578 struct ethtool_drvinfo *info)
579 {
580 struct lan743x_adapter *adapter = netdev_priv(netdev);
581
582 strscpy(info->driver, DRIVER_NAME, sizeof(info->driver));
583 strscpy(info->bus_info,
584 pci_name(adapter->pdev), sizeof(info->bus_info));
585 }
586
lan743x_ethtool_get_msglevel(struct net_device * netdev)587 static u32 lan743x_ethtool_get_msglevel(struct net_device *netdev)
588 {
589 struct lan743x_adapter *adapter = netdev_priv(netdev);
590
591 return adapter->msg_enable;
592 }
593
lan743x_ethtool_set_msglevel(struct net_device * netdev,u32 msglevel)594 static void lan743x_ethtool_set_msglevel(struct net_device *netdev,
595 u32 msglevel)
596 {
597 struct lan743x_adapter *adapter = netdev_priv(netdev);
598
599 adapter->msg_enable = msglevel;
600 }
601
lan743x_ethtool_get_eeprom_len(struct net_device * netdev)602 static int lan743x_ethtool_get_eeprom_len(struct net_device *netdev)
603 {
604 struct lan743x_adapter *adapter = netdev_priv(netdev);
605
606 if (adapter->flags & LAN743X_ADAPTER_FLAG_OTP)
607 return MAX_OTP_SIZE;
608
609 return MAX_EEPROM_SIZE;
610 }
611
lan743x_ethtool_get_eeprom(struct net_device * netdev,struct ethtool_eeprom * ee,u8 * data)612 static int lan743x_ethtool_get_eeprom(struct net_device *netdev,
613 struct ethtool_eeprom *ee, u8 *data)
614 {
615 struct lan743x_adapter *adapter = netdev_priv(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, ee->offset,
621 ee->len, data);
622 else
623 ret = lan743x_otp_read(adapter, ee->offset,
624 ee->len, data);
625 } else {
626 if (adapter->is_pci11x1x)
627 ret = lan743x_hs_eeprom_read(adapter, ee->offset,
628 ee->len, data);
629 else
630 ret = lan743x_eeprom_read(adapter, ee->offset,
631 ee->len, data);
632 }
633
634 return ret;
635 }
636
lan743x_ethtool_set_eeprom(struct net_device * netdev,struct ethtool_eeprom * ee,u8 * data)637 static int lan743x_ethtool_set_eeprom(struct net_device *netdev,
638 struct ethtool_eeprom *ee, u8 *data)
639 {
640 struct lan743x_adapter *adapter = netdev_priv(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, ee->offset,
648 ee->len, data);
649 else
650 ret = lan743x_otp_write(adapter, ee->offset,
651 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 ee->offset,
658 ee->len, data);
659 else
660 ret = lan743x_eeprom_write(adapter, ee->offset,
661 ee->len, data);
662 }
663 }
664
665 return ret;
666 }
667
668 static 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
692 static 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
699 static 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
707 static 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
740 static 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
764 static 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
797 static const char lan743x_priv_flags_strings[][ETH_GSTRING_LEN] = {
798 "OTP_ACCESS",
799 };
800
lan743x_ethtool_get_strings(struct net_device * netdev,u32 stringset,u8 * data)801 static void lan743x_ethtool_get_strings(struct net_device *netdev,
802 u32 stringset, u8 *data)
803 {
804 struct lan743x_adapter *adapter = netdev_priv(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
lan743x_ethtool_get_ethtool_stats(struct net_device * netdev,struct ethtool_stats * stats,u64 * data)832 static 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(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, 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, 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
lan743x_ethtool_get_priv_flags(struct net_device * netdev)863 static u32 lan743x_ethtool_get_priv_flags(struct net_device *netdev)
864 {
865 struct lan743x_adapter *adapter = netdev_priv(netdev);
866
867 return adapter->flags;
868 }
869
lan743x_ethtool_set_priv_flags(struct net_device * netdev,u32 flags)870 static int lan743x_ethtool_set_priv_flags(struct net_device *netdev, u32 flags)
871 {
872 struct lan743x_adapter *adapter = netdev_priv(netdev);
873
874 adapter->flags = flags;
875
876 return 0;
877 }
878
lan743x_ethtool_get_sset_count(struct net_device * netdev,int sset)879 static int lan743x_ethtool_get_sset_count(struct net_device *netdev, int sset)
880 {
881 struct lan743x_adapter *adapter = netdev_priv(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
lan743x_ethtool_get_rxnfc(struct net_device * netdev,struct ethtool_rxnfc * rxnfc,u32 * rule_locs)902 static 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
lan743x_ethtool_get_rxfh_key_size(struct net_device * netdev)926 static u32 lan743x_ethtool_get_rxfh_key_size(struct net_device *netdev)
927 {
928 return 40;
929 }
930
lan743x_ethtool_get_rxfh_indir_size(struct net_device * netdev)931 static u32 lan743x_ethtool_get_rxfh_indir_size(struct net_device *netdev)
932 {
933 return 128;
934 }
935
lan743x_ethtool_get_rxfh(struct net_device * netdev,u32 * indir,u8 * key,u8 * hfunc)936 static int lan743x_ethtool_get_rxfh(struct net_device *netdev,
937 u32 *indir, u8 *key, u8 *hfunc)
938 {
939 struct lan743x_adapter *adapter = netdev_priv(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
lan743x_ethtool_set_rxfh(struct net_device * netdev,const u32 * indir,const u8 * key,const u8 hfunc)985 static 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(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 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 key_value);
1024 }
1025 }
1026 return 0;
1027 }
1028
lan743x_ethtool_get_ts_info(struct net_device * netdev,struct ethtool_ts_info * ts_info)1029 static 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(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(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 return 0;
1052 }
1053
lan743x_ethtool_get_eee(struct net_device * netdev,struct ethtool_eee * eee)1054 static int lan743x_ethtool_get_eee(struct net_device *netdev,
1055 struct ethtool_eee *eee)
1056 {
1057 struct lan743x_adapter *adapter = netdev_priv(netdev);
1058 struct phy_device *phydev = netdev->phydev;
1059 u32 buf;
1060 int ret;
1061
1062 if (!phydev)
1063 return -EIO;
1064 if (!phydev->drv) {
1065 netif_err(adapter, drv, adapter->netdev,
1066 "Missing PHY Driver\n");
1067 return -EIO;
1068 }
1069
1070 ret = phy_ethtool_get_eee(phydev, eee);
1071 if (ret < 0)
1072 return ret;
1073
1074 buf = lan743x_csr_read(adapter, MAC_CR);
1075 if (buf & MAC_CR_EEE_EN_) {
1076 eee->eee_enabled = true;
1077 eee->eee_active = !!(eee->advertised & eee->lp_advertised);
1078 eee->tx_lpi_enabled = true;
1079 /* EEE_TX_LPI_REQ_DLY & tx_lpi_timer are same uSec unit */
1080 buf = lan743x_csr_read(adapter, MAC_EEE_TX_LPI_REQ_DLY_CNT);
1081 eee->tx_lpi_timer = buf;
1082 } else {
1083 eee->eee_enabled = false;
1084 eee->eee_active = false;
1085 eee->tx_lpi_enabled = false;
1086 eee->tx_lpi_timer = 0;
1087 }
1088
1089 return 0;
1090 }
1091
lan743x_ethtool_set_eee(struct net_device * netdev,struct ethtool_eee * eee)1092 static int lan743x_ethtool_set_eee(struct net_device *netdev,
1093 struct ethtool_eee *eee)
1094 {
1095 struct lan743x_adapter *adapter;
1096 struct phy_device *phydev;
1097 u32 buf = 0;
1098 int ret = 0;
1099
1100 if (!netdev)
1101 return -EINVAL;
1102 adapter = netdev_priv(netdev);
1103 if (!adapter)
1104 return -EINVAL;
1105 phydev = netdev->phydev;
1106 if (!phydev)
1107 return -EIO;
1108 if (!phydev->drv) {
1109 netif_err(adapter, drv, adapter->netdev,
1110 "Missing PHY Driver\n");
1111 return -EIO;
1112 }
1113
1114 if (eee->eee_enabled) {
1115 ret = phy_init_eee(phydev, false);
1116 if (ret) {
1117 netif_err(adapter, drv, adapter->netdev,
1118 "EEE initialization failed\n");
1119 return ret;
1120 }
1121
1122 buf = (u32)eee->tx_lpi_timer;
1123 lan743x_csr_write(adapter, MAC_EEE_TX_LPI_REQ_DLY_CNT, buf);
1124
1125 buf = lan743x_csr_read(adapter, MAC_CR);
1126 buf |= MAC_CR_EEE_EN_;
1127 lan743x_csr_write(adapter, MAC_CR, buf);
1128 } else {
1129 buf = lan743x_csr_read(adapter, MAC_CR);
1130 buf &= ~MAC_CR_EEE_EN_;
1131 lan743x_csr_write(adapter, MAC_CR, buf);
1132 }
1133
1134 return phy_ethtool_set_eee(phydev, eee);
1135 }
1136
1137 #ifdef CONFIG_PM
lan743x_ethtool_get_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)1138 static void lan743x_ethtool_get_wol(struct net_device *netdev,
1139 struct ethtool_wolinfo *wol)
1140 {
1141 struct lan743x_adapter *adapter = netdev_priv(netdev);
1142
1143 wol->supported = 0;
1144 wol->wolopts = 0;
1145
1146 if (netdev->phydev)
1147 phy_ethtool_get_wol(netdev->phydev, wol);
1148
1149 if (wol->supported != adapter->phy_wol_supported)
1150 netif_warn(adapter, drv, adapter->netdev,
1151 "PHY changed its supported WOL! old=%x, new=%x\n",
1152 adapter->phy_wol_supported, wol->supported);
1153
1154 wol->supported |= MAC_SUPPORTED_WAKES;
1155
1156 if (adapter->is_pci11x1x)
1157 wol->supported |= WAKE_MAGICSECURE;
1158
1159 wol->wolopts |= adapter->wolopts;
1160 if (adapter->wolopts & WAKE_MAGICSECURE)
1161 memcpy(wol->sopass, adapter->sopass, sizeof(wol->sopass));
1162 }
1163
lan743x_ethtool_set_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)1164 static int lan743x_ethtool_set_wol(struct net_device *netdev,
1165 struct ethtool_wolinfo *wol)
1166 {
1167 struct lan743x_adapter *adapter = netdev_priv(netdev);
1168
1169 /* WAKE_MAGICSEGURE is a modifier of and only valid together with
1170 * WAKE_MAGIC
1171 */
1172 if ((wol->wolopts & WAKE_MAGICSECURE) && !(wol->wolopts & WAKE_MAGIC))
1173 return -EINVAL;
1174
1175 if (netdev->phydev) {
1176 struct ethtool_wolinfo phy_wol;
1177 int ret;
1178
1179 phy_wol.wolopts = wol->wolopts & adapter->phy_wol_supported;
1180
1181 /* If WAKE_MAGICSECURE was requested, filter out WAKE_MAGIC
1182 * for PHYs that do not support WAKE_MAGICSECURE
1183 */
1184 if (wol->wolopts & WAKE_MAGICSECURE &&
1185 !(adapter->phy_wol_supported & WAKE_MAGICSECURE))
1186 phy_wol.wolopts &= ~WAKE_MAGIC;
1187
1188 ret = phy_ethtool_set_wol(netdev->phydev, &phy_wol);
1189 if (ret && (ret != -EOPNOTSUPP))
1190 return ret;
1191
1192 if (ret == -EOPNOTSUPP)
1193 adapter->phy_wolopts = 0;
1194 else
1195 adapter->phy_wolopts = phy_wol.wolopts;
1196 } else {
1197 adapter->phy_wolopts = 0;
1198 }
1199
1200 adapter->wolopts = 0;
1201 wol->wolopts &= ~adapter->phy_wolopts;
1202 if (wol->wolopts & WAKE_UCAST)
1203 adapter->wolopts |= WAKE_UCAST;
1204 if (wol->wolopts & WAKE_MCAST)
1205 adapter->wolopts |= WAKE_MCAST;
1206 if (wol->wolopts & WAKE_BCAST)
1207 adapter->wolopts |= WAKE_BCAST;
1208 if (wol->wolopts & WAKE_MAGIC)
1209 adapter->wolopts |= WAKE_MAGIC;
1210 if (wol->wolopts & WAKE_PHY)
1211 adapter->wolopts |= WAKE_PHY;
1212 if (wol->wolopts & WAKE_ARP)
1213 adapter->wolopts |= WAKE_ARP;
1214 if (wol->wolopts & WAKE_MAGICSECURE &&
1215 wol->wolopts & WAKE_MAGIC) {
1216 memcpy(adapter->sopass, wol->sopass, sizeof(wol->sopass));
1217 adapter->wolopts |= WAKE_MAGICSECURE;
1218 } else {
1219 memset(adapter->sopass, 0, sizeof(u8) * SOPASS_MAX);
1220 }
1221
1222 wol->wolopts = adapter->wolopts | adapter->phy_wolopts;
1223 device_set_wakeup_enable(&adapter->pdev->dev, (bool)wol->wolopts);
1224
1225 return 0;
1226 }
1227 #endif /* CONFIG_PM */
1228
lan743x_common_regs(struct net_device * dev,void * p)1229 static void lan743x_common_regs(struct net_device *dev, void *p)
1230 {
1231 struct lan743x_adapter *adapter = netdev_priv(dev);
1232 u32 *rb = p;
1233
1234 memset(p, 0, (MAX_LAN743X_ETH_COMMON_REGS * sizeof(u32)));
1235
1236 rb[ETH_PRIV_FLAGS] = adapter->flags;
1237 rb[ETH_ID_REV] = lan743x_csr_read(adapter, ID_REV);
1238 rb[ETH_FPGA_REV] = lan743x_csr_read(adapter, FPGA_REV);
1239 rb[ETH_STRAP_READ] = lan743x_csr_read(adapter, STRAP_READ);
1240 rb[ETH_INT_STS] = lan743x_csr_read(adapter, INT_STS);
1241 rb[ETH_HW_CFG] = lan743x_csr_read(adapter, HW_CFG);
1242 rb[ETH_PMT_CTL] = lan743x_csr_read(adapter, PMT_CTL);
1243 rb[ETH_E2P_CMD] = lan743x_csr_read(adapter, E2P_CMD);
1244 rb[ETH_E2P_DATA] = lan743x_csr_read(adapter, E2P_DATA);
1245 rb[ETH_MAC_CR] = lan743x_csr_read(adapter, MAC_CR);
1246 rb[ETH_MAC_RX] = lan743x_csr_read(adapter, MAC_RX);
1247 rb[ETH_MAC_TX] = lan743x_csr_read(adapter, MAC_TX);
1248 rb[ETH_FLOW] = lan743x_csr_read(adapter, MAC_FLOW);
1249 rb[ETH_MII_ACC] = lan743x_csr_read(adapter, MAC_MII_ACC);
1250 rb[ETH_MII_DATA] = lan743x_csr_read(adapter, MAC_MII_DATA);
1251 rb[ETH_EEE_TX_LPI_REQ_DLY] = lan743x_csr_read(adapter,
1252 MAC_EEE_TX_LPI_REQ_DLY_CNT);
1253 rb[ETH_WUCSR] = lan743x_csr_read(adapter, MAC_WUCSR);
1254 rb[ETH_WK_SRC] = lan743x_csr_read(adapter, MAC_WK_SRC);
1255 }
1256
lan743x_sgmii_regs(struct net_device * dev,void * p)1257 static void lan743x_sgmii_regs(struct net_device *dev, void *p)
1258 {
1259 struct lan743x_adapter *adp = netdev_priv(dev);
1260 u32 *rb = p;
1261 u16 idx;
1262 int val;
1263 struct {
1264 u8 id;
1265 u8 dev;
1266 u16 addr;
1267 } regs[] = {
1268 { ETH_SR_VSMMD_DEV_ID1, MDIO_MMD_VEND1, 0x0002},
1269 { ETH_SR_VSMMD_DEV_ID2, MDIO_MMD_VEND1, 0x0003},
1270 { ETH_SR_VSMMD_PCS_ID1, MDIO_MMD_VEND1, 0x0004},
1271 { ETH_SR_VSMMD_PCS_ID2, MDIO_MMD_VEND1, 0x0005},
1272 { ETH_SR_VSMMD_STS, MDIO_MMD_VEND1, 0x0008},
1273 { ETH_SR_VSMMD_CTRL, MDIO_MMD_VEND1, 0x0009},
1274 { ETH_SR_MII_CTRL, MDIO_MMD_VEND2, 0x0000},
1275 { ETH_SR_MII_STS, MDIO_MMD_VEND2, 0x0001},
1276 { ETH_SR_MII_DEV_ID1, MDIO_MMD_VEND2, 0x0002},
1277 { ETH_SR_MII_DEV_ID2, MDIO_MMD_VEND2, 0x0003},
1278 { ETH_SR_MII_AN_ADV, MDIO_MMD_VEND2, 0x0004},
1279 { ETH_SR_MII_LP_BABL, MDIO_MMD_VEND2, 0x0005},
1280 { ETH_SR_MII_EXPN, MDIO_MMD_VEND2, 0x0006},
1281 { ETH_SR_MII_EXT_STS, MDIO_MMD_VEND2, 0x000F},
1282 { ETH_SR_MII_TIME_SYNC_ABL, MDIO_MMD_VEND2, 0x0708},
1283 { ETH_SR_MII_TIME_SYNC_TX_MAX_DLY_LWR, MDIO_MMD_VEND2, 0x0709},
1284 { ETH_SR_MII_TIME_SYNC_TX_MAX_DLY_UPR, MDIO_MMD_VEND2, 0x070A},
1285 { ETH_SR_MII_TIME_SYNC_TX_MIN_DLY_LWR, MDIO_MMD_VEND2, 0x070B},
1286 { ETH_SR_MII_TIME_SYNC_TX_MIN_DLY_UPR, MDIO_MMD_VEND2, 0x070C},
1287 { ETH_SR_MII_TIME_SYNC_RX_MAX_DLY_LWR, MDIO_MMD_VEND2, 0x070D},
1288 { ETH_SR_MII_TIME_SYNC_RX_MAX_DLY_UPR, MDIO_MMD_VEND2, 0x070E},
1289 { ETH_SR_MII_TIME_SYNC_RX_MIN_DLY_LWR, MDIO_MMD_VEND2, 0x070F},
1290 { ETH_SR_MII_TIME_SYNC_RX_MIN_DLY_UPR, MDIO_MMD_VEND2, 0x0710},
1291 { ETH_VR_MII_DIG_CTRL1, MDIO_MMD_VEND2, 0x8000},
1292 { ETH_VR_MII_AN_CTRL, MDIO_MMD_VEND2, 0x8001},
1293 { ETH_VR_MII_AN_INTR_STS, MDIO_MMD_VEND2, 0x8002},
1294 { ETH_VR_MII_TC, MDIO_MMD_VEND2, 0x8003},
1295 { ETH_VR_MII_DBG_CTRL, MDIO_MMD_VEND2, 0x8005},
1296 { ETH_VR_MII_EEE_MCTRL0, MDIO_MMD_VEND2, 0x8006},
1297 { ETH_VR_MII_EEE_TXTIMER, MDIO_MMD_VEND2, 0x8008},
1298 { ETH_VR_MII_EEE_RXTIMER, MDIO_MMD_VEND2, 0x8009},
1299 { ETH_VR_MII_LINK_TIMER_CTRL, MDIO_MMD_VEND2, 0x800A},
1300 { ETH_VR_MII_EEE_MCTRL1, MDIO_MMD_VEND2, 0x800B},
1301 { ETH_VR_MII_DIG_STS, MDIO_MMD_VEND2, 0x8010},
1302 { ETH_VR_MII_ICG_ERRCNT1, MDIO_MMD_VEND2, 0x8011},
1303 { ETH_VR_MII_GPIO, MDIO_MMD_VEND2, 0x8015},
1304 { ETH_VR_MII_EEE_LPI_STATUS, MDIO_MMD_VEND2, 0x8016},
1305 { ETH_VR_MII_EEE_WKERR, MDIO_MMD_VEND2, 0x8017},
1306 { ETH_VR_MII_MISC_STS, MDIO_MMD_VEND2, 0x8018},
1307 { ETH_VR_MII_RX_LSTS, MDIO_MMD_VEND2, 0x8020},
1308 { ETH_VR_MII_GEN2_GEN4_TX_BSTCTRL0, MDIO_MMD_VEND2, 0x8038},
1309 { ETH_VR_MII_GEN2_GEN4_TX_LVLCTRL0, MDIO_MMD_VEND2, 0x803A},
1310 { ETH_VR_MII_GEN2_GEN4_TXGENCTRL0, MDIO_MMD_VEND2, 0x803C},
1311 { ETH_VR_MII_GEN2_GEN4_TXGENCTRL1, MDIO_MMD_VEND2, 0x803D},
1312 { ETH_VR_MII_GEN4_TXGENCTRL2, MDIO_MMD_VEND2, 0x803E},
1313 { ETH_VR_MII_GEN2_GEN4_TX_STS, MDIO_MMD_VEND2, 0x8048},
1314 { ETH_VR_MII_GEN2_GEN4_RXGENCTRL0, MDIO_MMD_VEND2, 0x8058},
1315 { ETH_VR_MII_GEN2_GEN4_RXGENCTRL1, MDIO_MMD_VEND2, 0x8059},
1316 { ETH_VR_MII_GEN4_RXEQ_CTRL, MDIO_MMD_VEND2, 0x805B},
1317 { ETH_VR_MII_GEN4_RXLOS_CTRL0, MDIO_MMD_VEND2, 0x805D},
1318 { ETH_VR_MII_GEN2_GEN4_MPLL_CTRL0, MDIO_MMD_VEND2, 0x8078},
1319 { ETH_VR_MII_GEN2_GEN4_MPLL_CTRL1, MDIO_MMD_VEND2, 0x8079},
1320 { ETH_VR_MII_GEN2_GEN4_MPLL_STS, MDIO_MMD_VEND2, 0x8088},
1321 { ETH_VR_MII_GEN2_GEN4_LVL_CTRL, MDIO_MMD_VEND2, 0x8090},
1322 { ETH_VR_MII_GEN4_MISC_CTRL2, MDIO_MMD_VEND2, 0x8093},
1323 { ETH_VR_MII_GEN2_GEN4_MISC_CTRL0, MDIO_MMD_VEND2, 0x8099},
1324 { ETH_VR_MII_GEN2_GEN4_MISC_CTRL1, MDIO_MMD_VEND2, 0x809A},
1325 { ETH_VR_MII_SNPS_CR_CTRL, MDIO_MMD_VEND2, 0x80A0},
1326 { ETH_VR_MII_SNPS_CR_ADDR, MDIO_MMD_VEND2, 0x80A1},
1327 { ETH_VR_MII_SNPS_CR_DATA, MDIO_MMD_VEND2, 0x80A2},
1328 { ETH_VR_MII_DIG_CTRL2, MDIO_MMD_VEND2, 0x80E1},
1329 { ETH_VR_MII_DIG_ERRCNT, MDIO_MMD_VEND2, 0x80E2},
1330 };
1331
1332 for (idx = 0; idx < ARRAY_SIZE(regs); idx++) {
1333 val = lan743x_sgmii_read(adp, regs[idx].dev, regs[idx].addr);
1334 if (val < 0)
1335 rb[regs[idx].id] = 0xFFFF;
1336 else
1337 rb[regs[idx].id] = val;
1338 }
1339 }
1340
lan743x_get_regs_len(struct net_device * dev)1341 static int lan743x_get_regs_len(struct net_device *dev)
1342 {
1343 struct lan743x_adapter *adapter = netdev_priv(dev);
1344 u32 num_regs = MAX_LAN743X_ETH_COMMON_REGS;
1345
1346 if (adapter->is_sgmii_en)
1347 num_regs += MAX_LAN743X_ETH_SGMII_REGS;
1348
1349 return num_regs * sizeof(u32);
1350 }
1351
lan743x_get_regs(struct net_device * dev,struct ethtool_regs * regs,void * p)1352 static void lan743x_get_regs(struct net_device *dev,
1353 struct ethtool_regs *regs, void *p)
1354 {
1355 struct lan743x_adapter *adapter = netdev_priv(dev);
1356 int regs_len;
1357
1358 regs_len = lan743x_get_regs_len(dev);
1359 memset(p, 0, regs_len);
1360
1361 regs->version = LAN743X_ETH_REG_VERSION;
1362 regs->len = regs_len;
1363
1364 lan743x_common_regs(dev, p);
1365 p = (u32 *)p + MAX_LAN743X_ETH_COMMON_REGS;
1366
1367 if (adapter->is_sgmii_en) {
1368 lan743x_sgmii_regs(dev, p);
1369 p = (u32 *)p + MAX_LAN743X_ETH_SGMII_REGS;
1370 }
1371 }
1372
lan743x_get_pauseparam(struct net_device * dev,struct ethtool_pauseparam * pause)1373 static void lan743x_get_pauseparam(struct net_device *dev,
1374 struct ethtool_pauseparam *pause)
1375 {
1376 struct lan743x_adapter *adapter = netdev_priv(dev);
1377 struct lan743x_phy *phy = &adapter->phy;
1378
1379 if (phy->fc_request_control & FLOW_CTRL_TX)
1380 pause->tx_pause = 1;
1381 if (phy->fc_request_control & FLOW_CTRL_RX)
1382 pause->rx_pause = 1;
1383 pause->autoneg = phy->fc_autoneg;
1384 }
1385
lan743x_set_pauseparam(struct net_device * dev,struct ethtool_pauseparam * pause)1386 static int lan743x_set_pauseparam(struct net_device *dev,
1387 struct ethtool_pauseparam *pause)
1388 {
1389 struct lan743x_adapter *adapter = netdev_priv(dev);
1390 struct phy_device *phydev = dev->phydev;
1391 struct lan743x_phy *phy = &adapter->phy;
1392
1393 if (!phydev)
1394 return -ENODEV;
1395
1396 if (!phy_validate_pause(phydev, pause))
1397 return -EINVAL;
1398
1399 phy->fc_request_control = 0;
1400 if (pause->rx_pause)
1401 phy->fc_request_control |= FLOW_CTRL_RX;
1402
1403 if (pause->tx_pause)
1404 phy->fc_request_control |= FLOW_CTRL_TX;
1405
1406 phy->fc_autoneg = pause->autoneg;
1407
1408 if (pause->autoneg == AUTONEG_DISABLE)
1409 lan743x_mac_flow_ctrl_set_enables(adapter, pause->tx_pause,
1410 pause->rx_pause);
1411 else
1412 phy_set_asym_pause(phydev, pause->rx_pause, pause->tx_pause);
1413
1414 return 0;
1415 }
1416
1417 const struct ethtool_ops lan743x_ethtool_ops = {
1418 .get_drvinfo = lan743x_ethtool_get_drvinfo,
1419 .get_msglevel = lan743x_ethtool_get_msglevel,
1420 .set_msglevel = lan743x_ethtool_set_msglevel,
1421 .get_link = ethtool_op_get_link,
1422
1423 .get_eeprom_len = lan743x_ethtool_get_eeprom_len,
1424 .get_eeprom = lan743x_ethtool_get_eeprom,
1425 .set_eeprom = lan743x_ethtool_set_eeprom,
1426 .get_strings = lan743x_ethtool_get_strings,
1427 .get_ethtool_stats = lan743x_ethtool_get_ethtool_stats,
1428 .get_priv_flags = lan743x_ethtool_get_priv_flags,
1429 .set_priv_flags = lan743x_ethtool_set_priv_flags,
1430 .get_sset_count = lan743x_ethtool_get_sset_count,
1431 .get_rxnfc = lan743x_ethtool_get_rxnfc,
1432 .get_rxfh_key_size = lan743x_ethtool_get_rxfh_key_size,
1433 .get_rxfh_indir_size = lan743x_ethtool_get_rxfh_indir_size,
1434 .get_rxfh = lan743x_ethtool_get_rxfh,
1435 .set_rxfh = lan743x_ethtool_set_rxfh,
1436 .get_ts_info = lan743x_ethtool_get_ts_info,
1437 .get_eee = lan743x_ethtool_get_eee,
1438 .set_eee = lan743x_ethtool_set_eee,
1439 .get_link_ksettings = phy_ethtool_get_link_ksettings,
1440 .set_link_ksettings = phy_ethtool_set_link_ksettings,
1441 .get_regs_len = lan743x_get_regs_len,
1442 .get_regs = lan743x_get_regs,
1443 .get_pauseparam = lan743x_get_pauseparam,
1444 .set_pauseparam = lan743x_set_pauseparam,
1445 #ifdef CONFIG_PM
1446 .get_wol = lan743x_ethtool_get_wol,
1447 .set_wol = lan743x_ethtool_set_wol,
1448 #endif
1449 };
1450