1// SPDX-License-Identifier: GPL-2.0
2/* Huawei HiNIC PCI Express Linux driver
3 * Copyright(c) 2017 Huawei Technologies Co., Ltd
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * for more details.
13 *
14 */
15
16#include <linux/kernel.h>
17#include <linux/pci.h>
18#include <linux/device.h>
19#include <linux/module.h>
20#include <linux/types.h>
21#include <linux/errno.h>
22#include <linux/interrupt.h>
23#include <linux/etherdevice.h>
24#include <linux/netdevice.h>
25#include <linux/if_vlan.h>
26#include <linux/ethtool.h>
27#include <linux/vmalloc.h>
28#include <linux/sfp.h>
29
30#include "hinic_hw_qp.h"
31#include "hinic_hw_dev.h"
32#include "hinic_port.h"
33#include "hinic_tx.h"
34#include "hinic_rx.h"
35#include "hinic_dev.h"
36
37#define SET_LINK_STR_MAX_LEN 16
38
39#define GET_SUPPORTED_MODE 0
40#define GET_ADVERTISED_MODE 1
41
42#define ETHTOOL_ADD_SUPPORTED_SPEED_LINK_MODE(ecmd, mode) \
43 ((ecmd)->supported |= \
44 (1UL << hw_to_ethtool_link_mode_table[mode].link_mode_bit))
45#define ETHTOOL_ADD_ADVERTISED_SPEED_LINK_MODE(ecmd, mode) \
46 ((ecmd)->advertising |= \
47 (1UL << hw_to_ethtool_link_mode_table[mode].link_mode_bit))
48#define ETHTOOL_ADD_SUPPORTED_LINK_MODE(ecmd, mode) \
49 ((ecmd)->supported |= SUPPORTED_##mode)
50#define ETHTOOL_ADD_ADVERTISED_LINK_MODE(ecmd, mode) \
51 ((ecmd)->advertising |= ADVERTISED_##mode)
52
53#define COALESCE_PENDING_LIMIT_UNIT 8
54#define COALESCE_TIMER_CFG_UNIT 9
55#define COALESCE_ALL_QUEUE 0xFFFF
56#define COALESCE_MAX_PENDING_LIMIT (255 * COALESCE_PENDING_LIMIT_UNIT)
57#define COALESCE_MAX_TIMER_CFG (255 * COALESCE_TIMER_CFG_UNIT)
58
59struct hw2ethtool_link_mode {
60 enum ethtool_link_mode_bit_indices link_mode_bit;
61 u32 speed;
62 enum hinic_link_mode hw_link_mode;
63};
64
65struct cmd_link_settings {
66 u64 supported;
67 u64 advertising;
68
69 u32 speed;
70 u8 duplex;
71 u8 port;
72 u8 autoneg;
73};
74
75static u32 hw_to_ethtool_speed[LINK_SPEED_LEVELS] = {
76 SPEED_10, SPEED_100,
77 SPEED_1000, SPEED_10000,
78 SPEED_25000, SPEED_40000,
79 SPEED_100000
80};
81
82static struct hw2ethtool_link_mode
83 hw_to_ethtool_link_mode_table[HINIC_LINK_MODE_NUMBERS] = {
84 {
85 .link_mode_bit = ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
86 .speed = SPEED_10000,
87 .hw_link_mode = HINIC_10GE_BASE_KR,
88 },
89 {
90 .link_mode_bit = ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
91 .speed = SPEED_40000,
92 .hw_link_mode = HINIC_40GE_BASE_KR4,
93 },
94 {
95 .link_mode_bit = ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
96 .speed = SPEED_40000,
97 .hw_link_mode = HINIC_40GE_BASE_CR4,
98 },
99 {
100 .link_mode_bit = ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
101 .speed = SPEED_100000,
102 .hw_link_mode = HINIC_100GE_BASE_KR4,
103 },
104 {
105 .link_mode_bit = ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
106 .speed = SPEED_100000,
107 .hw_link_mode = HINIC_100GE_BASE_CR4,
108 },
109 {
110 .link_mode_bit = ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
111 .speed = SPEED_25000,
112 .hw_link_mode = HINIC_25GE_BASE_KR_S,
113 },
114 {
115 .link_mode_bit = ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
116 .speed = SPEED_25000,
117 .hw_link_mode = HINIC_25GE_BASE_CR_S,
118 },
119 {
120 .link_mode_bit = ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
121 .speed = SPEED_25000,
122 .hw_link_mode = HINIC_25GE_BASE_KR,
123 },
124 {
125 .link_mode_bit = ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
126 .speed = SPEED_25000,
127 .hw_link_mode = HINIC_25GE_BASE_CR,
128 },
129 {
130 .link_mode_bit = ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
131 .speed = SPEED_1000,
132 .hw_link_mode = HINIC_GE_BASE_KX,
133 },
134};
135
136#define LP_DEFAULT_TIME 5 /* seconds */
137#define LP_PKT_LEN 1514
138
139#define PORT_DOWN_ERR_IDX 0
140enum diag_test_index {
141 INTERNAL_LP_TEST = 0,
142 EXTERNAL_LP_TEST = 1,
143 DIAG_TEST_MAX = 2,
144};
145
146static void set_link_speed(struct ethtool_link_ksettings *link_ksettings,
147 enum hinic_speed speed)
148{
149 switch (speed) {
150 case HINIC_SPEED_10MB_LINK:
151 link_ksettings->base.speed = SPEED_10;
152 break;
153
154 case HINIC_SPEED_100MB_LINK:
155 link_ksettings->base.speed = SPEED_100;
156 break;
157
158 case HINIC_SPEED_1000MB_LINK:
159 link_ksettings->base.speed = SPEED_1000;
160 break;
161
162 case HINIC_SPEED_10GB_LINK:
163 link_ksettings->base.speed = SPEED_10000;
164 break;
165
166 case HINIC_SPEED_25GB_LINK:
167 link_ksettings->base.speed = SPEED_25000;
168 break;
169
170 case HINIC_SPEED_40GB_LINK:
171 link_ksettings->base.speed = SPEED_40000;
172 break;
173
174 case HINIC_SPEED_100GB_LINK:
175 link_ksettings->base.speed = SPEED_100000;
176 break;
177
178 default:
179 link_ksettings->base.speed = SPEED_UNKNOWN;
180 break;
181 }
182}
183
184static int hinic_get_link_mode_index(enum hinic_link_mode link_mode)
185{
186 int i = 0;
187
188 for (i = 0; i < HINIC_LINK_MODE_NUMBERS; i++) {
189 if (link_mode == hw_to_ethtool_link_mode_table[i].hw_link_mode)
190 break;
191 }
192
193 return i;
194}
195
196static void hinic_add_ethtool_link_mode(struct cmd_link_settings *link_settings,
197 enum hinic_link_mode hw_link_mode,
198 u32 name)
199{
200 enum hinic_link_mode link_mode;
201 int idx = 0;
202
203 for (link_mode = 0; link_mode < HINIC_LINK_MODE_NUMBERS; link_mode++) {
204 if (hw_link_mode & ((u32)1 << link_mode)) {
205 idx = hinic_get_link_mode_index(link_mode);
206 if (idx >= HINIC_LINK_MODE_NUMBERS)
207 continue;
208
209 if (name == GET_SUPPORTED_MODE)
210 ETHTOOL_ADD_SUPPORTED_SPEED_LINK_MODE
211 (link_settings, idx);
212 else
213 ETHTOOL_ADD_ADVERTISED_SPEED_LINK_MODE
214 (link_settings, idx);
215 }
216 }
217}
218
219static void hinic_link_port_type(struct cmd_link_settings *link_settings,
220 enum hinic_port_type port_type)
221{
222 switch (port_type) {
223 case HINIC_PORT_ELEC:
224 case HINIC_PORT_TP:
225 ETHTOOL_ADD_SUPPORTED_LINK_MODE(link_settings, TP);
226 ETHTOOL_ADD_ADVERTISED_LINK_MODE(link_settings, TP);
227 link_settings->port = PORT_TP;
228 break;
229
230 case HINIC_PORT_AOC:
231 case HINIC_PORT_FIBRE:
232 ETHTOOL_ADD_SUPPORTED_LINK_MODE(link_settings, FIBRE);
233 ETHTOOL_ADD_ADVERTISED_LINK_MODE(link_settings, FIBRE);
234 link_settings->port = PORT_FIBRE;
235 break;
236
237 case HINIC_PORT_COPPER:
238 ETHTOOL_ADD_SUPPORTED_LINK_MODE(link_settings, FIBRE);
239 ETHTOOL_ADD_ADVERTISED_LINK_MODE(link_settings, FIBRE);
240 link_settings->port = PORT_DA;
241 break;
242
243 case HINIC_PORT_BACKPLANE:
244 ETHTOOL_ADD_SUPPORTED_LINK_MODE(link_settings, Backplane);
245 ETHTOOL_ADD_ADVERTISED_LINK_MODE(link_settings, Backplane);
246 link_settings->port = PORT_NONE;
247 break;
248
249 default:
250 link_settings->port = PORT_OTHER;
251 break;
252 }
253}
254
255static int hinic_get_link_ksettings(struct net_device *netdev,
256 struct ethtool_link_ksettings
257 *link_ksettings)
258{
259 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
260 struct hinic_link_mode_cmd link_mode = { 0 };
261 struct hinic_pause_config pause_info = { 0 };
262 struct cmd_link_settings settings = { 0 };
263 enum hinic_port_link_state link_state;
264 struct hinic_port_cap port_cap;
265 int err;
266
267 ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
268 ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
269
270 link_ksettings->base.speed = SPEED_UNKNOWN;
271 link_ksettings->base.autoneg = AUTONEG_DISABLE;
272 link_ksettings->base.duplex = DUPLEX_UNKNOWN;
273
274 err = hinic_port_get_cap(nic_dev, port_cap: &port_cap);
275 if (err)
276 return err;
277
278 hinic_link_port_type(link_settings: &settings, port_type: port_cap.port_type);
279 link_ksettings->base.port = settings.port;
280
281 err = hinic_port_link_state(nic_dev, link_state: &link_state);
282 if (err)
283 return err;
284
285 if (link_state == HINIC_LINK_STATE_UP) {
286 set_link_speed(link_ksettings, speed: port_cap.speed);
287 link_ksettings->base.duplex =
288 (port_cap.duplex == HINIC_DUPLEX_FULL) ?
289 DUPLEX_FULL : DUPLEX_HALF;
290 }
291
292 if (!!(port_cap.autoneg_cap & HINIC_AUTONEG_SUPPORTED))
293 ethtool_link_ksettings_add_link_mode(link_ksettings,
294 advertising, Autoneg);
295
296 if (port_cap.autoneg_state == HINIC_AUTONEG_ACTIVE)
297 link_ksettings->base.autoneg = AUTONEG_ENABLE;
298
299 err = hinic_get_link_mode(hwdev: nic_dev->hwdev, link_mode: &link_mode);
300 if (err || link_mode.supported == HINIC_SUPPORTED_UNKNOWN ||
301 link_mode.advertised == HINIC_SUPPORTED_UNKNOWN)
302 return -EIO;
303
304 hinic_add_ethtool_link_mode(link_settings: &settings, hw_link_mode: link_mode.supported,
305 GET_SUPPORTED_MODE);
306 hinic_add_ethtool_link_mode(link_settings: &settings, hw_link_mode: link_mode.advertised,
307 GET_ADVERTISED_MODE);
308
309 if (!HINIC_IS_VF(nic_dev->hwdev->hwif)) {
310 err = hinic_get_hw_pause_info(hwdev: nic_dev->hwdev, pause_info: &pause_info);
311 if (err)
312 return err;
313 ETHTOOL_ADD_SUPPORTED_LINK_MODE(&settings, Pause);
314 if (pause_info.rx_pause && pause_info.tx_pause) {
315 ETHTOOL_ADD_ADVERTISED_LINK_MODE(&settings, Pause);
316 } else if (pause_info.tx_pause) {
317 ETHTOOL_ADD_ADVERTISED_LINK_MODE(&settings, Asym_Pause);
318 } else if (pause_info.rx_pause) {
319 ETHTOOL_ADD_ADVERTISED_LINK_MODE(&settings, Pause);
320 ETHTOOL_ADD_ADVERTISED_LINK_MODE(&settings, Asym_Pause);
321 }
322 }
323
324 linkmode_copy(dst: link_ksettings->link_modes.supported,
325 src: (unsigned long *)&settings.supported);
326 linkmode_copy(dst: link_ksettings->link_modes.advertising,
327 src: (unsigned long *)&settings.advertising);
328
329 return 0;
330}
331
332static int hinic_ethtool_to_hw_speed_level(u32 speed)
333{
334 int i;
335
336 for (i = 0; i < LINK_SPEED_LEVELS; i++) {
337 if (hw_to_ethtool_speed[i] == speed)
338 break;
339 }
340
341 return i;
342}
343
344static bool hinic_is_support_speed(enum hinic_link_mode supported_link,
345 u32 speed)
346{
347 enum hinic_link_mode link_mode;
348 int idx;
349
350 for (link_mode = 0; link_mode < HINIC_LINK_MODE_NUMBERS; link_mode++) {
351 if (!(supported_link & ((u32)1 << link_mode)))
352 continue;
353
354 idx = hinic_get_link_mode_index(link_mode);
355 if (idx >= HINIC_LINK_MODE_NUMBERS)
356 continue;
357
358 if (hw_to_ethtool_link_mode_table[idx].speed == speed)
359 return true;
360 }
361
362 return false;
363}
364
365static bool hinic_is_speed_legal(struct hinic_dev *nic_dev, u32 speed)
366{
367 struct hinic_link_mode_cmd link_mode = { 0 };
368 struct net_device *netdev = nic_dev->netdev;
369 enum nic_speed_level speed_level = 0;
370 int err;
371
372 err = hinic_get_link_mode(hwdev: nic_dev->hwdev, link_mode: &link_mode);
373 if (err)
374 return false;
375
376 if (link_mode.supported == HINIC_SUPPORTED_UNKNOWN ||
377 link_mode.advertised == HINIC_SUPPORTED_UNKNOWN)
378 return false;
379
380 speed_level = hinic_ethtool_to_hw_speed_level(speed);
381 if (speed_level >= LINK_SPEED_LEVELS ||
382 !hinic_is_support_speed(supported_link: link_mode.supported, speed)) {
383 netif_err(nic_dev, drv, netdev,
384 "Unsupported speed: %d\n", speed);
385 return false;
386 }
387
388 return true;
389}
390
391static int get_link_settings_type(struct hinic_dev *nic_dev,
392 u8 autoneg, u32 speed, u32 *set_settings)
393{
394 struct hinic_port_cap port_cap = { 0 };
395 int err;
396
397 err = hinic_port_get_cap(nic_dev, port_cap: &port_cap);
398 if (err)
399 return err;
400
401 /* always set autonegotiation */
402 if (port_cap.autoneg_cap)
403 *set_settings |= HILINK_LINK_SET_AUTONEG;
404
405 if (autoneg == AUTONEG_ENABLE) {
406 if (!port_cap.autoneg_cap) {
407 netif_err(nic_dev, drv, nic_dev->netdev, "Not support autoneg\n");
408 return -EOPNOTSUPP;
409 }
410 } else if (speed != (u32)SPEED_UNKNOWN) {
411 /* set speed only when autoneg is disabled */
412 if (!hinic_is_speed_legal(nic_dev, speed))
413 return -EINVAL;
414 *set_settings |= HILINK_LINK_SET_SPEED;
415 } else {
416 netif_err(nic_dev, drv, nic_dev->netdev, "Need to set speed when autoneg is off\n");
417 return -EOPNOTSUPP;
418 }
419
420 return 0;
421}
422
423static int set_link_settings_separate_cmd(struct hinic_dev *nic_dev,
424 u32 set_settings, u8 autoneg,
425 u32 speed)
426{
427 enum nic_speed_level speed_level = 0;
428 int err = 0;
429
430 if (set_settings & HILINK_LINK_SET_AUTONEG) {
431 err = hinic_set_autoneg(hwdev: nic_dev->hwdev,
432 enable: (autoneg == AUTONEG_ENABLE));
433 if (err)
434 netif_err(nic_dev, drv, nic_dev->netdev, "%s autoneg failed\n",
435 (autoneg == AUTONEG_ENABLE) ?
436 "Enable" : "Disable");
437 else
438 netif_info(nic_dev, drv, nic_dev->netdev, "%s autoneg successfully\n",
439 (autoneg == AUTONEG_ENABLE) ?
440 "Enable" : "Disable");
441 }
442
443 if (!err && (set_settings & HILINK_LINK_SET_SPEED)) {
444 speed_level = hinic_ethtool_to_hw_speed_level(speed);
445 err = hinic_set_speed(hwdev: nic_dev->hwdev, speed: speed_level);
446 if (err)
447 netif_err(nic_dev, drv, nic_dev->netdev, "Set speed %d failed\n",
448 speed);
449 else
450 netif_info(nic_dev, drv, nic_dev->netdev, "Set speed %d successfully\n",
451 speed);
452 }
453
454 return err;
455}
456
457static int hinic_set_settings_to_hw(struct hinic_dev *nic_dev,
458 u32 set_settings, u8 autoneg, u32 speed)
459{
460 struct hinic_link_ksettings_info settings = {0};
461 char set_link_str[SET_LINK_STR_MAX_LEN] = {0};
462 const char *autoneg_str;
463 struct net_device *netdev = nic_dev->netdev;
464 enum nic_speed_level speed_level = 0;
465 int err;
466
467 autoneg_str = (set_settings & HILINK_LINK_SET_AUTONEG) ?
468 (autoneg ? "autong enable " : "autong disable ") : "";
469
470 if (set_settings & HILINK_LINK_SET_SPEED) {
471 speed_level = hinic_ethtool_to_hw_speed_level(speed);
472 err = snprintf(buf: set_link_str, SET_LINK_STR_MAX_LEN,
473 fmt: "speed %d ", speed);
474 if (err >= SET_LINK_STR_MAX_LEN) {
475 netif_err(nic_dev, drv, netdev, "Failed to snprintf link speed, function return(%d) and dest_len(%d)\n",
476 err, SET_LINK_STR_MAX_LEN);
477 return -EFAULT;
478 }
479 }
480
481 settings.func_id = HINIC_HWIF_FUNC_IDX(nic_dev->hwdev->hwif);
482 settings.valid_bitmap = set_settings;
483 settings.autoneg = autoneg;
484 settings.speed = speed_level;
485
486 err = hinic_set_link_settings(hwdev: nic_dev->hwdev, info: &settings);
487 if (err != HINIC_MGMT_CMD_UNSUPPORTED) {
488 if (err)
489 netif_err(nic_dev, drv, netdev, "Set %s%sfailed\n",
490 autoneg_str, set_link_str);
491 else
492 netif_info(nic_dev, drv, netdev, "Set %s%ssuccessfully\n",
493 autoneg_str, set_link_str);
494
495 return err;
496 }
497
498 return set_link_settings_separate_cmd(nic_dev, set_settings, autoneg,
499 speed);
500}
501
502static int set_link_settings(struct net_device *netdev, u8 autoneg, u32 speed)
503{
504 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
505 u32 set_settings = 0;
506 int err;
507
508 err = get_link_settings_type(nic_dev, autoneg, speed, set_settings: &set_settings);
509 if (err)
510 return err;
511
512 if (set_settings)
513 err = hinic_set_settings_to_hw(nic_dev, set_settings,
514 autoneg, speed);
515 else
516 netif_info(nic_dev, drv, netdev, "Nothing changed, exit without setting anything\n");
517
518 return err;
519}
520
521static int hinic_set_link_ksettings(struct net_device *netdev, const struct
522 ethtool_link_ksettings *link_settings)
523{
524 /* only support to set autoneg and speed */
525 return set_link_settings(netdev, autoneg: link_settings->base.autoneg,
526 speed: link_settings->base.speed);
527}
528
529static void hinic_get_drvinfo(struct net_device *netdev,
530 struct ethtool_drvinfo *info)
531{
532 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
533 u8 mgmt_ver[HINIC_MGMT_VERSION_MAX_LEN] = {0};
534 struct hinic_hwdev *hwdev = nic_dev->hwdev;
535 struct hinic_hwif *hwif = hwdev->hwif;
536 int err;
537
538 strscpy(info->driver, HINIC_DRV_NAME, sizeof(info->driver));
539 strscpy(info->bus_info, pci_name(hwif->pdev), sizeof(info->bus_info));
540
541 err = hinic_get_mgmt_version(nic_dev, mgmt_ver);
542 if (err)
543 return;
544
545 snprintf(buf: info->fw_version, size: sizeof(info->fw_version), fmt: "%s", mgmt_ver);
546}
547
548static void hinic_get_ringparam(struct net_device *netdev,
549 struct ethtool_ringparam *ring,
550 struct kernel_ethtool_ringparam *kernel_ring,
551 struct netlink_ext_ack *extack)
552{
553 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
554
555 ring->rx_max_pending = HINIC_MAX_QUEUE_DEPTH;
556 ring->tx_max_pending = HINIC_MAX_QUEUE_DEPTH;
557 ring->rx_pending = nic_dev->rq_depth;
558 ring->tx_pending = nic_dev->sq_depth;
559}
560
561static int check_ringparam_valid(struct hinic_dev *nic_dev,
562 struct ethtool_ringparam *ring)
563{
564 if (ring->rx_jumbo_pending || ring->rx_mini_pending) {
565 netif_err(nic_dev, drv, nic_dev->netdev,
566 "Unsupported rx_jumbo_pending/rx_mini_pending\n");
567 return -EINVAL;
568 }
569
570 if (ring->tx_pending > HINIC_MAX_QUEUE_DEPTH ||
571 ring->tx_pending < HINIC_MIN_QUEUE_DEPTH ||
572 ring->rx_pending > HINIC_MAX_QUEUE_DEPTH ||
573 ring->rx_pending < HINIC_MIN_QUEUE_DEPTH) {
574 netif_err(nic_dev, drv, nic_dev->netdev,
575 "Queue depth out of range [%d-%d]\n",
576 HINIC_MIN_QUEUE_DEPTH, HINIC_MAX_QUEUE_DEPTH);
577 return -EINVAL;
578 }
579
580 return 0;
581}
582
583static int hinic_set_ringparam(struct net_device *netdev,
584 struct ethtool_ringparam *ring,
585 struct kernel_ethtool_ringparam *kernel_ring,
586 struct netlink_ext_ack *extack)
587{
588 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
589 u16 new_sq_depth, new_rq_depth;
590 int err;
591
592 err = check_ringparam_valid(nic_dev, ring);
593 if (err)
594 return err;
595
596 new_sq_depth = (u16)(1U << (u16)ilog2(ring->tx_pending));
597 new_rq_depth = (u16)(1U << (u16)ilog2(ring->rx_pending));
598
599 if (new_sq_depth == nic_dev->sq_depth &&
600 new_rq_depth == nic_dev->rq_depth)
601 return 0;
602
603 netif_info(nic_dev, drv, netdev,
604 "Change Tx/Rx ring depth from %d/%d to %d/%d\n",
605 nic_dev->sq_depth, nic_dev->rq_depth,
606 new_sq_depth, new_rq_depth);
607
608 nic_dev->sq_depth = new_sq_depth;
609 nic_dev->rq_depth = new_rq_depth;
610
611 if (netif_running(dev: netdev)) {
612 netif_info(nic_dev, drv, netdev, "Restarting netdev\n");
613 err = hinic_close(netdev);
614 if (err) {
615 netif_err(nic_dev, drv, netdev,
616 "Failed to close netdev\n");
617 return -EFAULT;
618 }
619
620 err = hinic_open(netdev);
621 if (err) {
622 netif_err(nic_dev, drv, netdev,
623 "Failed to open netdev\n");
624 return -EFAULT;
625 }
626 }
627
628 return 0;
629}
630
631static int __hinic_get_coalesce(struct net_device *netdev,
632 struct ethtool_coalesce *coal, u16 queue)
633{
634 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
635 struct hinic_intr_coal_info *rx_intr_coal_info;
636 struct hinic_intr_coal_info *tx_intr_coal_info;
637
638 if (queue == COALESCE_ALL_QUEUE) {
639 /* get tx/rx irq0 as default parameters */
640 rx_intr_coal_info = &nic_dev->rx_intr_coalesce[0];
641 tx_intr_coal_info = &nic_dev->tx_intr_coalesce[0];
642 } else {
643 if (queue >= nic_dev->num_qps) {
644 netif_err(nic_dev, drv, netdev,
645 "Invalid queue_id: %d\n", queue);
646 return -EINVAL;
647 }
648 rx_intr_coal_info = &nic_dev->rx_intr_coalesce[queue];
649 tx_intr_coal_info = &nic_dev->tx_intr_coalesce[queue];
650 }
651
652 /* coalesce_timer is in unit of 9us */
653 coal->rx_coalesce_usecs = rx_intr_coal_info->coalesce_timer_cfg *
654 COALESCE_TIMER_CFG_UNIT;
655 /* coalesced_frames is in unit of 8 */
656 coal->rx_max_coalesced_frames = rx_intr_coal_info->pending_limt *
657 COALESCE_PENDING_LIMIT_UNIT;
658 coal->tx_coalesce_usecs = tx_intr_coal_info->coalesce_timer_cfg *
659 COALESCE_TIMER_CFG_UNIT;
660 coal->tx_max_coalesced_frames = tx_intr_coal_info->pending_limt *
661 COALESCE_PENDING_LIMIT_UNIT;
662
663 return 0;
664}
665
666static int is_coalesce_exceed_limit(const struct ethtool_coalesce *coal)
667{
668 if (coal->rx_coalesce_usecs > COALESCE_MAX_TIMER_CFG ||
669 coal->rx_max_coalesced_frames > COALESCE_MAX_PENDING_LIMIT ||
670 coal->tx_coalesce_usecs > COALESCE_MAX_TIMER_CFG ||
671 coal->tx_max_coalesced_frames > COALESCE_MAX_PENDING_LIMIT)
672 return -ERANGE;
673
674 return 0;
675}
676
677static int set_queue_coalesce(struct hinic_dev *nic_dev, u16 q_id,
678 struct hinic_intr_coal_info *coal,
679 bool set_rx_coal)
680{
681 struct hinic_intr_coal_info *intr_coal = NULL;
682 struct hinic_msix_config interrupt_info = {0};
683 struct net_device *netdev = nic_dev->netdev;
684 u16 msix_idx;
685 int err;
686
687 intr_coal = set_rx_coal ? &nic_dev->rx_intr_coalesce[q_id] :
688 &nic_dev->tx_intr_coalesce[q_id];
689
690 intr_coal->coalesce_timer_cfg = coal->coalesce_timer_cfg;
691 intr_coal->pending_limt = coal->pending_limt;
692
693 /* netdev not running or qp not in using,
694 * don't need to set coalesce to hw
695 */
696 if (!(nic_dev->flags & HINIC_INTF_UP) ||
697 q_id >= nic_dev->num_qps)
698 return 0;
699
700 msix_idx = set_rx_coal ? nic_dev->rxqs[q_id].rq->msix_entry :
701 nic_dev->txqs[q_id].sq->msix_entry;
702 interrupt_info.msix_index = msix_idx;
703 interrupt_info.coalesce_timer_cnt = intr_coal->coalesce_timer_cfg;
704 interrupt_info.pending_cnt = intr_coal->pending_limt;
705 interrupt_info.resend_timer_cnt = intr_coal->resend_timer_cfg;
706
707 err = hinic_set_interrupt_cfg(hwdev: nic_dev->hwdev, interrupt_info: &interrupt_info);
708 if (err)
709 netif_warn(nic_dev, drv, netdev,
710 "Failed to set %s queue%d coalesce",
711 set_rx_coal ? "rx" : "tx", q_id);
712
713 return err;
714}
715
716static int __set_hw_coal_param(struct hinic_dev *nic_dev,
717 struct hinic_intr_coal_info *intr_coal,
718 u16 queue, bool set_rx_coal)
719{
720 int err;
721 u16 i;
722
723 if (queue == COALESCE_ALL_QUEUE) {
724 for (i = 0; i < nic_dev->max_qps; i++) {
725 err = set_queue_coalesce(nic_dev, q_id: i, coal: intr_coal,
726 set_rx_coal);
727 if (err)
728 return err;
729 }
730 } else {
731 if (queue >= nic_dev->num_qps) {
732 netif_err(nic_dev, drv, nic_dev->netdev,
733 "Invalid queue_id: %d\n", queue);
734 return -EINVAL;
735 }
736 err = set_queue_coalesce(nic_dev, q_id: queue, coal: intr_coal,
737 set_rx_coal);
738 if (err)
739 return err;
740 }
741
742 return 0;
743}
744
745static int __hinic_set_coalesce(struct net_device *netdev,
746 struct ethtool_coalesce *coal, u16 queue)
747{
748 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
749 struct hinic_intr_coal_info rx_intr_coal = {0};
750 struct hinic_intr_coal_info tx_intr_coal = {0};
751 bool set_rx_coal = false;
752 bool set_tx_coal = false;
753 int err;
754
755 err = is_coalesce_exceed_limit(coal);
756 if (err)
757 return err;
758
759 if (coal->rx_coalesce_usecs || coal->rx_max_coalesced_frames) {
760 rx_intr_coal.coalesce_timer_cfg =
761 (u8)(coal->rx_coalesce_usecs / COALESCE_TIMER_CFG_UNIT);
762 rx_intr_coal.pending_limt = (u8)(coal->rx_max_coalesced_frames /
763 COALESCE_PENDING_LIMIT_UNIT);
764 set_rx_coal = true;
765 }
766
767 if (coal->tx_coalesce_usecs || coal->tx_max_coalesced_frames) {
768 tx_intr_coal.coalesce_timer_cfg =
769 (u8)(coal->tx_coalesce_usecs / COALESCE_TIMER_CFG_UNIT);
770 tx_intr_coal.pending_limt = (u8)(coal->tx_max_coalesced_frames /
771 COALESCE_PENDING_LIMIT_UNIT);
772 set_tx_coal = true;
773 }
774
775 /* setting coalesce timer or pending limit to zero will disable
776 * coalesce
777 */
778 if (set_rx_coal && (!rx_intr_coal.coalesce_timer_cfg ||
779 !rx_intr_coal.pending_limt))
780 netif_warn(nic_dev, drv, netdev, "RX coalesce will be disabled\n");
781 if (set_tx_coal && (!tx_intr_coal.coalesce_timer_cfg ||
782 !tx_intr_coal.pending_limt))
783 netif_warn(nic_dev, drv, netdev, "TX coalesce will be disabled\n");
784
785 if (set_rx_coal) {
786 err = __set_hw_coal_param(nic_dev, intr_coal: &rx_intr_coal, queue, set_rx_coal: true);
787 if (err)
788 return err;
789 }
790 if (set_tx_coal) {
791 err = __set_hw_coal_param(nic_dev, intr_coal: &tx_intr_coal, queue, set_rx_coal: false);
792 if (err)
793 return err;
794 }
795 return 0;
796}
797
798static int hinic_get_coalesce(struct net_device *netdev,
799 struct ethtool_coalesce *coal,
800 struct kernel_ethtool_coalesce *kernel_coal,
801 struct netlink_ext_ack *extack)
802{
803 return __hinic_get_coalesce(netdev, coal, COALESCE_ALL_QUEUE);
804}
805
806static int hinic_set_coalesce(struct net_device *netdev,
807 struct ethtool_coalesce *coal,
808 struct kernel_ethtool_coalesce *kernel_coal,
809 struct netlink_ext_ack *extack)
810{
811 return __hinic_set_coalesce(netdev, coal, COALESCE_ALL_QUEUE);
812}
813
814static int hinic_get_per_queue_coalesce(struct net_device *netdev, u32 queue,
815 struct ethtool_coalesce *coal)
816{
817 return __hinic_get_coalesce(netdev, coal, queue);
818}
819
820static int hinic_set_per_queue_coalesce(struct net_device *netdev, u32 queue,
821 struct ethtool_coalesce *coal)
822{
823 return __hinic_set_coalesce(netdev, coal, queue);
824}
825
826static void hinic_get_pauseparam(struct net_device *netdev,
827 struct ethtool_pauseparam *pause)
828{
829 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
830 struct hinic_pause_config pause_info = {0};
831 struct hinic_nic_cfg *nic_cfg;
832 int err;
833
834 nic_cfg = &nic_dev->hwdev->func_to_io.nic_cfg;
835
836 err = hinic_get_hw_pause_info(hwdev: nic_dev->hwdev, pause_info: &pause_info);
837 if (!err) {
838 pause->autoneg = pause_info.auto_neg;
839 if (nic_cfg->pause_set || !pause_info.auto_neg) {
840 pause->rx_pause = nic_cfg->rx_pause;
841 pause->tx_pause = nic_cfg->tx_pause;
842 } else {
843 pause->rx_pause = pause_info.rx_pause;
844 pause->tx_pause = pause_info.tx_pause;
845 }
846 }
847}
848
849static int hinic_set_pauseparam(struct net_device *netdev,
850 struct ethtool_pauseparam *pause)
851{
852 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
853 struct hinic_pause_config pause_info = {0};
854 struct hinic_port_cap port_cap = {0};
855 int err;
856
857 err = hinic_port_get_cap(nic_dev, port_cap: &port_cap);
858 if (err)
859 return -EIO;
860
861 if (pause->autoneg != port_cap.autoneg_state)
862 return -EOPNOTSUPP;
863
864 pause_info.auto_neg = pause->autoneg;
865 pause_info.rx_pause = pause->rx_pause;
866 pause_info.tx_pause = pause->tx_pause;
867
868 mutex_lock(&nic_dev->hwdev->func_to_io.nic_cfg.cfg_mutex);
869 err = hinic_set_hw_pause_info(hwdev: nic_dev->hwdev, pause_info: &pause_info);
870 if (err) {
871 mutex_unlock(lock: &nic_dev->hwdev->func_to_io.nic_cfg.cfg_mutex);
872 return err;
873 }
874 nic_dev->hwdev->func_to_io.nic_cfg.pause_set = true;
875 nic_dev->hwdev->func_to_io.nic_cfg.auto_neg = pause->autoneg;
876 nic_dev->hwdev->func_to_io.nic_cfg.rx_pause = pause->rx_pause;
877 nic_dev->hwdev->func_to_io.nic_cfg.tx_pause = pause->tx_pause;
878 mutex_unlock(lock: &nic_dev->hwdev->func_to_io.nic_cfg.cfg_mutex);
879
880 return 0;
881}
882
883static void hinic_get_channels(struct net_device *netdev,
884 struct ethtool_channels *channels)
885{
886 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
887 struct hinic_hwdev *hwdev = nic_dev->hwdev;
888
889 channels->max_combined = nic_dev->max_qps;
890 channels->combined_count = hinic_hwdev_num_qps(hwdev);
891}
892
893static int hinic_set_channels(struct net_device *netdev,
894 struct ethtool_channels *channels)
895{
896 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
897 unsigned int count = channels->combined_count;
898 int err;
899
900 netif_info(nic_dev, drv, netdev, "Set max combined queue number from %d to %d\n",
901 hinic_hwdev_num_qps(nic_dev->hwdev), count);
902
903 if (netif_running(dev: netdev)) {
904 netif_info(nic_dev, drv, netdev, "Restarting netdev\n");
905 hinic_close(netdev);
906
907 nic_dev->hwdev->nic_cap.num_qps = count;
908
909 err = hinic_open(netdev);
910 if (err) {
911 netif_err(nic_dev, drv, netdev,
912 "Failed to open netdev\n");
913 return -EFAULT;
914 }
915 } else {
916 nic_dev->hwdev->nic_cap.num_qps = count;
917 }
918
919 return 0;
920}
921
922static int hinic_get_rss_hash_opts(struct hinic_dev *nic_dev,
923 struct ethtool_rxnfc *cmd)
924{
925 struct hinic_rss_type rss_type = { 0 };
926 int err;
927
928 cmd->data = 0;
929
930 if (!(nic_dev->flags & HINIC_RSS_ENABLE))
931 return 0;
932
933 err = hinic_get_rss_type(nic_dev, tmpl_idx: nic_dev->rss_tmpl_idx,
934 rss_type: &rss_type);
935 if (err)
936 return err;
937
938 cmd->data = RXH_IP_SRC | RXH_IP_DST;
939 switch (cmd->flow_type) {
940 case TCP_V4_FLOW:
941 if (rss_type.tcp_ipv4)
942 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
943 break;
944 case TCP_V6_FLOW:
945 if (rss_type.tcp_ipv6)
946 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
947 break;
948 case UDP_V4_FLOW:
949 if (rss_type.udp_ipv4)
950 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
951 break;
952 case UDP_V6_FLOW:
953 if (rss_type.udp_ipv6)
954 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
955 break;
956 case IPV4_FLOW:
957 case IPV6_FLOW:
958 break;
959 default:
960 cmd->data = 0;
961 return -EINVAL;
962 }
963
964 return 0;
965}
966
967static int set_l4_rss_hash_ops(struct ethtool_rxnfc *cmd,
968 struct hinic_rss_type *rss_type)
969{
970 u8 rss_l4_en = 0;
971
972 switch (cmd->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
973 case 0:
974 rss_l4_en = 0;
975 break;
976 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
977 rss_l4_en = 1;
978 break;
979 default:
980 return -EINVAL;
981 }
982
983 switch (cmd->flow_type) {
984 case TCP_V4_FLOW:
985 rss_type->tcp_ipv4 = rss_l4_en;
986 break;
987 case TCP_V6_FLOW:
988 rss_type->tcp_ipv6 = rss_l4_en;
989 break;
990 case UDP_V4_FLOW:
991 rss_type->udp_ipv4 = rss_l4_en;
992 break;
993 case UDP_V6_FLOW:
994 rss_type->udp_ipv6 = rss_l4_en;
995 break;
996 default:
997 return -EINVAL;
998 }
999
1000 return 0;
1001}
1002
1003static int hinic_set_rss_hash_opts(struct hinic_dev *nic_dev,
1004 struct ethtool_rxnfc *cmd)
1005{
1006 struct hinic_rss_type *rss_type = &nic_dev->rss_type;
1007 int err;
1008
1009 if (!(nic_dev->flags & HINIC_RSS_ENABLE)) {
1010 cmd->data = 0;
1011 return -EOPNOTSUPP;
1012 }
1013
1014 /* RSS does not support anything other than hashing
1015 * to queues on src and dst IPs and ports
1016 */
1017 if (cmd->data & ~(RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 |
1018 RXH_L4_B_2_3))
1019 return -EINVAL;
1020
1021 /* We need at least the IP SRC and DEST fields for hashing */
1022 if (!(cmd->data & RXH_IP_SRC) || !(cmd->data & RXH_IP_DST))
1023 return -EINVAL;
1024
1025 err = hinic_get_rss_type(nic_dev,
1026 tmpl_idx: nic_dev->rss_tmpl_idx, rss_type);
1027 if (err)
1028 return -EFAULT;
1029
1030 switch (cmd->flow_type) {
1031 case TCP_V4_FLOW:
1032 case TCP_V6_FLOW:
1033 case UDP_V4_FLOW:
1034 case UDP_V6_FLOW:
1035 err = set_l4_rss_hash_ops(cmd, rss_type);
1036 if (err)
1037 return err;
1038 break;
1039 case IPV4_FLOW:
1040 rss_type->ipv4 = 1;
1041 break;
1042 case IPV6_FLOW:
1043 rss_type->ipv6 = 1;
1044 break;
1045 default:
1046 return -EINVAL;
1047 }
1048
1049 err = hinic_set_rss_type(nic_dev, tmpl_idx: nic_dev->rss_tmpl_idx,
1050 rss_type: *rss_type);
1051 if (err)
1052 return -EFAULT;
1053
1054 return 0;
1055}
1056
1057static int __set_rss_rxfh(struct net_device *netdev,
1058 const u32 *indir, const u8 *key)
1059{
1060 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
1061 int err;
1062
1063 if (indir) {
1064 if (!nic_dev->rss_indir_user) {
1065 nic_dev->rss_indir_user =
1066 kzalloc(size: sizeof(u32) * HINIC_RSS_INDIR_SIZE,
1067 GFP_KERNEL);
1068 if (!nic_dev->rss_indir_user)
1069 return -ENOMEM;
1070 }
1071
1072 memcpy(nic_dev->rss_indir_user, indir,
1073 sizeof(u32) * HINIC_RSS_INDIR_SIZE);
1074
1075 err = hinic_rss_set_indir_tbl(nic_dev,
1076 tmpl_idx: nic_dev->rss_tmpl_idx, indir_table: indir);
1077 if (err)
1078 return -EFAULT;
1079 }
1080
1081 if (key) {
1082 if (!nic_dev->rss_hkey_user) {
1083 nic_dev->rss_hkey_user =
1084 kzalloc(HINIC_RSS_KEY_SIZE * 2, GFP_KERNEL);
1085
1086 if (!nic_dev->rss_hkey_user)
1087 return -ENOMEM;
1088 }
1089
1090 memcpy(nic_dev->rss_hkey_user, key, HINIC_RSS_KEY_SIZE);
1091
1092 err = hinic_rss_set_template_tbl(nic_dev,
1093 template_id: nic_dev->rss_tmpl_idx, temp: key);
1094 if (err)
1095 return -EFAULT;
1096 }
1097
1098 return 0;
1099}
1100
1101static int hinic_get_rxnfc(struct net_device *netdev,
1102 struct ethtool_rxnfc *cmd, u32 *rule_locs)
1103{
1104 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
1105 int err = 0;
1106
1107 switch (cmd->cmd) {
1108 case ETHTOOL_GRXRINGS:
1109 cmd->data = nic_dev->num_qps;
1110 break;
1111 case ETHTOOL_GRXFH:
1112 err = hinic_get_rss_hash_opts(nic_dev, cmd);
1113 break;
1114 default:
1115 err = -EOPNOTSUPP;
1116 break;
1117 }
1118
1119 return err;
1120}
1121
1122static int hinic_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1123{
1124 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
1125 int err = 0;
1126
1127 switch (cmd->cmd) {
1128 case ETHTOOL_SRXFH:
1129 err = hinic_set_rss_hash_opts(nic_dev, cmd);
1130 break;
1131 default:
1132 err = -EOPNOTSUPP;
1133 break;
1134 }
1135
1136 return err;
1137}
1138
1139static int hinic_get_rxfh(struct net_device *netdev,
1140 struct ethtool_rxfh_param *rxfh)
1141{
1142 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
1143 u8 hash_engine_type = 0;
1144 int err = 0;
1145
1146 if (!(nic_dev->flags & HINIC_RSS_ENABLE))
1147 return -EOPNOTSUPP;
1148
1149 err = hinic_rss_get_hash_engine(nic_dev,
1150 tmpl_idx: nic_dev->rss_tmpl_idx,
1151 type: &hash_engine_type);
1152 if (err)
1153 return -EFAULT;
1154
1155 rxfh->hfunc = hash_engine_type ? ETH_RSS_HASH_TOP : ETH_RSS_HASH_XOR;
1156
1157 if (rxfh->indir) {
1158 err = hinic_rss_get_indir_tbl(nic_dev,
1159 tmpl_idx: nic_dev->rss_tmpl_idx,
1160 indir_table: rxfh->indir);
1161 if (err)
1162 return -EFAULT;
1163 }
1164
1165 if (rxfh->key)
1166 err = hinic_rss_get_template_tbl(nic_dev,
1167 tmpl_idx: nic_dev->rss_tmpl_idx,
1168 temp: rxfh->key);
1169
1170 return err;
1171}
1172
1173static int hinic_set_rxfh(struct net_device *netdev,
1174 struct ethtool_rxfh_param *rxfh,
1175 struct netlink_ext_ack *extack)
1176{
1177 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
1178 int err = 0;
1179
1180 if (!(nic_dev->flags & HINIC_RSS_ENABLE))
1181 return -EOPNOTSUPP;
1182
1183 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE) {
1184 if (rxfh->hfunc != ETH_RSS_HASH_TOP &&
1185 rxfh->hfunc != ETH_RSS_HASH_XOR)
1186 return -EOPNOTSUPP;
1187
1188 nic_dev->rss_hash_engine = (rxfh->hfunc == ETH_RSS_HASH_XOR) ?
1189 HINIC_RSS_HASH_ENGINE_TYPE_XOR :
1190 HINIC_RSS_HASH_ENGINE_TYPE_TOEP;
1191 err = hinic_rss_set_hash_engine
1192 (nic_dev, template_id: nic_dev->rss_tmpl_idx,
1193 type: nic_dev->rss_hash_engine);
1194 if (err)
1195 return -EFAULT;
1196 }
1197
1198 err = __set_rss_rxfh(netdev, indir: rxfh->indir, key: rxfh->key);
1199
1200 return err;
1201}
1202
1203static u32 hinic_get_rxfh_key_size(struct net_device *netdev)
1204{
1205 return HINIC_RSS_KEY_SIZE;
1206}
1207
1208static u32 hinic_get_rxfh_indir_size(struct net_device *netdev)
1209{
1210 return HINIC_RSS_INDIR_SIZE;
1211}
1212
1213#define HINIC_FUNC_STAT(_stat_item) { \
1214 .name = #_stat_item, \
1215 .size = sizeof_field(struct hinic_vport_stats, _stat_item), \
1216 .offset = offsetof(struct hinic_vport_stats, _stat_item) \
1217}
1218
1219static struct hinic_stats hinic_function_stats[] = {
1220 HINIC_FUNC_STAT(tx_unicast_pkts_vport),
1221 HINIC_FUNC_STAT(tx_unicast_bytes_vport),
1222 HINIC_FUNC_STAT(tx_multicast_pkts_vport),
1223 HINIC_FUNC_STAT(tx_multicast_bytes_vport),
1224 HINIC_FUNC_STAT(tx_broadcast_pkts_vport),
1225 HINIC_FUNC_STAT(tx_broadcast_bytes_vport),
1226
1227 HINIC_FUNC_STAT(rx_unicast_pkts_vport),
1228 HINIC_FUNC_STAT(rx_unicast_bytes_vport),
1229 HINIC_FUNC_STAT(rx_multicast_pkts_vport),
1230 HINIC_FUNC_STAT(rx_multicast_bytes_vport),
1231 HINIC_FUNC_STAT(rx_broadcast_pkts_vport),
1232 HINIC_FUNC_STAT(rx_broadcast_bytes_vport),
1233
1234 HINIC_FUNC_STAT(tx_discard_vport),
1235 HINIC_FUNC_STAT(rx_discard_vport),
1236 HINIC_FUNC_STAT(tx_err_vport),
1237 HINIC_FUNC_STAT(rx_err_vport),
1238};
1239
1240static char hinic_test_strings[][ETH_GSTRING_LEN] = {
1241 "Internal lb test (on/offline)",
1242 "External lb test (external_lb)",
1243};
1244
1245#define HINIC_PORT_STAT(_stat_item) { \
1246 .name = #_stat_item, \
1247 .size = sizeof_field(struct hinic_phy_port_stats, _stat_item), \
1248 .offset = offsetof(struct hinic_phy_port_stats, _stat_item) \
1249}
1250
1251static struct hinic_stats hinic_port_stats[] = {
1252 HINIC_PORT_STAT(mac_rx_total_pkt_num),
1253 HINIC_PORT_STAT(mac_rx_total_oct_num),
1254 HINIC_PORT_STAT(mac_rx_bad_pkt_num),
1255 HINIC_PORT_STAT(mac_rx_bad_oct_num),
1256 HINIC_PORT_STAT(mac_rx_good_pkt_num),
1257 HINIC_PORT_STAT(mac_rx_good_oct_num),
1258 HINIC_PORT_STAT(mac_rx_uni_pkt_num),
1259 HINIC_PORT_STAT(mac_rx_multi_pkt_num),
1260 HINIC_PORT_STAT(mac_rx_broad_pkt_num),
1261 HINIC_PORT_STAT(mac_tx_total_pkt_num),
1262 HINIC_PORT_STAT(mac_tx_total_oct_num),
1263 HINIC_PORT_STAT(mac_tx_bad_pkt_num),
1264 HINIC_PORT_STAT(mac_tx_bad_oct_num),
1265 HINIC_PORT_STAT(mac_tx_good_pkt_num),
1266 HINIC_PORT_STAT(mac_tx_good_oct_num),
1267 HINIC_PORT_STAT(mac_tx_uni_pkt_num),
1268 HINIC_PORT_STAT(mac_tx_multi_pkt_num),
1269 HINIC_PORT_STAT(mac_tx_broad_pkt_num),
1270 HINIC_PORT_STAT(mac_rx_fragment_pkt_num),
1271 HINIC_PORT_STAT(mac_rx_undersize_pkt_num),
1272 HINIC_PORT_STAT(mac_rx_undermin_pkt_num),
1273 HINIC_PORT_STAT(mac_rx_64_oct_pkt_num),
1274 HINIC_PORT_STAT(mac_rx_65_127_oct_pkt_num),
1275 HINIC_PORT_STAT(mac_rx_128_255_oct_pkt_num),
1276 HINIC_PORT_STAT(mac_rx_256_511_oct_pkt_num),
1277 HINIC_PORT_STAT(mac_rx_512_1023_oct_pkt_num),
1278 HINIC_PORT_STAT(mac_rx_1024_1518_oct_pkt_num),
1279 HINIC_PORT_STAT(mac_rx_1519_2047_oct_pkt_num),
1280 HINIC_PORT_STAT(mac_rx_2048_4095_oct_pkt_num),
1281 HINIC_PORT_STAT(mac_rx_4096_8191_oct_pkt_num),
1282 HINIC_PORT_STAT(mac_rx_8192_9216_oct_pkt_num),
1283 HINIC_PORT_STAT(mac_rx_9217_12287_oct_pkt_num),
1284 HINIC_PORT_STAT(mac_rx_12288_16383_oct_pkt_num),
1285 HINIC_PORT_STAT(mac_rx_1519_max_good_pkt_num),
1286 HINIC_PORT_STAT(mac_rx_1519_max_bad_pkt_num),
1287 HINIC_PORT_STAT(mac_rx_oversize_pkt_num),
1288 HINIC_PORT_STAT(mac_rx_jabber_pkt_num),
1289 HINIC_PORT_STAT(mac_rx_pause_num),
1290 HINIC_PORT_STAT(mac_rx_pfc_pkt_num),
1291 HINIC_PORT_STAT(mac_rx_pfc_pri0_pkt_num),
1292 HINIC_PORT_STAT(mac_rx_pfc_pri1_pkt_num),
1293 HINIC_PORT_STAT(mac_rx_pfc_pri2_pkt_num),
1294 HINIC_PORT_STAT(mac_rx_pfc_pri3_pkt_num),
1295 HINIC_PORT_STAT(mac_rx_pfc_pri4_pkt_num),
1296 HINIC_PORT_STAT(mac_rx_pfc_pri5_pkt_num),
1297 HINIC_PORT_STAT(mac_rx_pfc_pri6_pkt_num),
1298 HINIC_PORT_STAT(mac_rx_pfc_pri7_pkt_num),
1299 HINIC_PORT_STAT(mac_rx_control_pkt_num),
1300 HINIC_PORT_STAT(mac_rx_sym_err_pkt_num),
1301 HINIC_PORT_STAT(mac_rx_fcs_err_pkt_num),
1302 HINIC_PORT_STAT(mac_rx_send_app_good_pkt_num),
1303 HINIC_PORT_STAT(mac_rx_send_app_bad_pkt_num),
1304 HINIC_PORT_STAT(mac_tx_fragment_pkt_num),
1305 HINIC_PORT_STAT(mac_tx_undersize_pkt_num),
1306 HINIC_PORT_STAT(mac_tx_undermin_pkt_num),
1307 HINIC_PORT_STAT(mac_tx_64_oct_pkt_num),
1308 HINIC_PORT_STAT(mac_tx_65_127_oct_pkt_num),
1309 HINIC_PORT_STAT(mac_tx_128_255_oct_pkt_num),
1310 HINIC_PORT_STAT(mac_tx_256_511_oct_pkt_num),
1311 HINIC_PORT_STAT(mac_tx_512_1023_oct_pkt_num),
1312 HINIC_PORT_STAT(mac_tx_1024_1518_oct_pkt_num),
1313 HINIC_PORT_STAT(mac_tx_1519_2047_oct_pkt_num),
1314 HINIC_PORT_STAT(mac_tx_2048_4095_oct_pkt_num),
1315 HINIC_PORT_STAT(mac_tx_4096_8191_oct_pkt_num),
1316 HINIC_PORT_STAT(mac_tx_8192_9216_oct_pkt_num),
1317 HINIC_PORT_STAT(mac_tx_9217_12287_oct_pkt_num),
1318 HINIC_PORT_STAT(mac_tx_12288_16383_oct_pkt_num),
1319 HINIC_PORT_STAT(mac_tx_1519_max_good_pkt_num),
1320 HINIC_PORT_STAT(mac_tx_1519_max_bad_pkt_num),
1321 HINIC_PORT_STAT(mac_tx_oversize_pkt_num),
1322 HINIC_PORT_STAT(mac_tx_jabber_pkt_num),
1323 HINIC_PORT_STAT(mac_tx_pause_num),
1324 HINIC_PORT_STAT(mac_tx_pfc_pkt_num),
1325 HINIC_PORT_STAT(mac_tx_pfc_pri0_pkt_num),
1326 HINIC_PORT_STAT(mac_tx_pfc_pri1_pkt_num),
1327 HINIC_PORT_STAT(mac_tx_pfc_pri2_pkt_num),
1328 HINIC_PORT_STAT(mac_tx_pfc_pri3_pkt_num),
1329 HINIC_PORT_STAT(mac_tx_pfc_pri4_pkt_num),
1330 HINIC_PORT_STAT(mac_tx_pfc_pri5_pkt_num),
1331 HINIC_PORT_STAT(mac_tx_pfc_pri6_pkt_num),
1332 HINIC_PORT_STAT(mac_tx_pfc_pri7_pkt_num),
1333 HINIC_PORT_STAT(mac_tx_control_pkt_num),
1334 HINIC_PORT_STAT(mac_tx_err_all_pkt_num),
1335 HINIC_PORT_STAT(mac_tx_from_app_good_pkt_num),
1336 HINIC_PORT_STAT(mac_tx_from_app_bad_pkt_num),
1337};
1338
1339#define HINIC_TXQ_STAT(_stat_item) { \
1340 .name = "txq%d_"#_stat_item, \
1341 .size = sizeof_field(struct hinic_txq_stats, _stat_item), \
1342 .offset = offsetof(struct hinic_txq_stats, _stat_item) \
1343}
1344
1345static struct hinic_stats hinic_tx_queue_stats[] = {
1346 HINIC_TXQ_STAT(pkts),
1347 HINIC_TXQ_STAT(bytes),
1348 HINIC_TXQ_STAT(tx_busy),
1349 HINIC_TXQ_STAT(tx_wake),
1350 HINIC_TXQ_STAT(tx_dropped),
1351 HINIC_TXQ_STAT(big_frags_pkts),
1352};
1353
1354#define HINIC_RXQ_STAT(_stat_item) { \
1355 .name = "rxq%d_"#_stat_item, \
1356 .size = sizeof_field(struct hinic_rxq_stats, _stat_item), \
1357 .offset = offsetof(struct hinic_rxq_stats, _stat_item) \
1358}
1359
1360static struct hinic_stats hinic_rx_queue_stats[] = {
1361 HINIC_RXQ_STAT(pkts),
1362 HINIC_RXQ_STAT(bytes),
1363 HINIC_RXQ_STAT(errors),
1364 HINIC_RXQ_STAT(csum_errors),
1365 HINIC_RXQ_STAT(other_errors),
1366};
1367
1368static void get_drv_queue_stats(struct hinic_dev *nic_dev, u64 *data)
1369{
1370 struct hinic_txq_stats txq_stats;
1371 struct hinic_rxq_stats rxq_stats;
1372 u16 i = 0, j = 0, qid = 0;
1373 char *p;
1374
1375 for (qid = 0; qid < nic_dev->num_qps; qid++) {
1376 if (!nic_dev->txqs)
1377 break;
1378
1379 hinic_txq_get_stats(txq: &nic_dev->txqs[qid], stats: &txq_stats);
1380 for (j = 0; j < ARRAY_SIZE(hinic_tx_queue_stats); j++, i++) {
1381 p = (char *)&txq_stats +
1382 hinic_tx_queue_stats[j].offset;
1383 data[i] = (hinic_tx_queue_stats[j].size ==
1384 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1385 }
1386 }
1387
1388 for (qid = 0; qid < nic_dev->num_qps; qid++) {
1389 if (!nic_dev->rxqs)
1390 break;
1391
1392 hinic_rxq_get_stats(rxq: &nic_dev->rxqs[qid], stats: &rxq_stats);
1393 for (j = 0; j < ARRAY_SIZE(hinic_rx_queue_stats); j++, i++) {
1394 p = (char *)&rxq_stats +
1395 hinic_rx_queue_stats[j].offset;
1396 data[i] = (hinic_rx_queue_stats[j].size ==
1397 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1398 }
1399 }
1400}
1401
1402static void hinic_get_ethtool_stats(struct net_device *netdev,
1403 struct ethtool_stats *stats, u64 *data)
1404{
1405 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
1406 struct hinic_vport_stats vport_stats = {0};
1407 struct hinic_phy_port_stats *port_stats;
1408 u16 i = 0, j = 0;
1409 char *p;
1410 int err;
1411
1412 err = hinic_get_vport_stats(nic_dev, stats: &vport_stats);
1413 if (err)
1414 netif_err(nic_dev, drv, netdev,
1415 "Failed to get vport stats from firmware\n");
1416
1417 for (j = 0; j < ARRAY_SIZE(hinic_function_stats); j++, i++) {
1418 p = (char *)&vport_stats + hinic_function_stats[j].offset;
1419 data[i] = (hinic_function_stats[j].size ==
1420 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1421 }
1422
1423 port_stats = kzalloc(size: sizeof(*port_stats), GFP_KERNEL);
1424 if (!port_stats) {
1425 memset(&data[i], 0,
1426 ARRAY_SIZE(hinic_port_stats) * sizeof(*data));
1427 i += ARRAY_SIZE(hinic_port_stats);
1428 goto get_drv_stats;
1429 }
1430
1431 err = hinic_get_phy_port_stats(nic_dev, stats: port_stats);
1432 if (err)
1433 netif_err(nic_dev, drv, netdev,
1434 "Failed to get port stats from firmware\n");
1435
1436 for (j = 0; j < ARRAY_SIZE(hinic_port_stats); j++, i++) {
1437 p = (char *)port_stats + hinic_port_stats[j].offset;
1438 data[i] = (hinic_port_stats[j].size ==
1439 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1440 }
1441
1442 kfree(objp: port_stats);
1443
1444get_drv_stats:
1445 get_drv_queue_stats(nic_dev, data: data + i);
1446}
1447
1448static int hinic_get_sset_count(struct net_device *netdev, int sset)
1449{
1450 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
1451 int count, q_num;
1452
1453 switch (sset) {
1454 case ETH_SS_TEST:
1455 return ARRAY_SIZE(hinic_test_strings);
1456 case ETH_SS_STATS:
1457 q_num = nic_dev->num_qps;
1458 count = ARRAY_SIZE(hinic_function_stats) +
1459 (ARRAY_SIZE(hinic_tx_queue_stats) +
1460 ARRAY_SIZE(hinic_rx_queue_stats)) * q_num;
1461
1462 count += ARRAY_SIZE(hinic_port_stats);
1463
1464 return count;
1465 default:
1466 return -EOPNOTSUPP;
1467 }
1468}
1469
1470static void hinic_get_strings(struct net_device *netdev,
1471 u32 stringset, u8 *data)
1472{
1473 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
1474 char *p = (char *)data;
1475 u16 i, j;
1476
1477 switch (stringset) {
1478 case ETH_SS_TEST:
1479 memcpy(data, *hinic_test_strings, sizeof(hinic_test_strings));
1480 return;
1481 case ETH_SS_STATS:
1482 for (i = 0; i < ARRAY_SIZE(hinic_function_stats); i++) {
1483 memcpy(p, hinic_function_stats[i].name,
1484 ETH_GSTRING_LEN);
1485 p += ETH_GSTRING_LEN;
1486 }
1487
1488 for (i = 0; i < ARRAY_SIZE(hinic_port_stats); i++) {
1489 memcpy(p, hinic_port_stats[i].name,
1490 ETH_GSTRING_LEN);
1491 p += ETH_GSTRING_LEN;
1492 }
1493
1494 for (i = 0; i < nic_dev->num_qps; i++) {
1495 for (j = 0; j < ARRAY_SIZE(hinic_tx_queue_stats); j++) {
1496 sprintf(buf: p, fmt: hinic_tx_queue_stats[j].name, i);
1497 p += ETH_GSTRING_LEN;
1498 }
1499 }
1500
1501 for (i = 0; i < nic_dev->num_qps; i++) {
1502 for (j = 0; j < ARRAY_SIZE(hinic_rx_queue_stats); j++) {
1503 sprintf(buf: p, fmt: hinic_rx_queue_stats[j].name, i);
1504 p += ETH_GSTRING_LEN;
1505 }
1506 }
1507
1508 return;
1509 default:
1510 return;
1511 }
1512}
1513
1514static int hinic_run_lp_test(struct hinic_dev *nic_dev, u32 test_time)
1515{
1516 u8 *lb_test_rx_buf = nic_dev->lb_test_rx_buf;
1517 struct net_device *netdev = nic_dev->netdev;
1518 struct sk_buff *skb_tmp = NULL;
1519 struct sk_buff *skb = NULL;
1520 u32 cnt = test_time * 5;
1521 u8 *test_data = NULL;
1522 u32 i;
1523 u8 j;
1524
1525 skb_tmp = alloc_skb(LP_PKT_LEN, GFP_ATOMIC);
1526 if (!skb_tmp)
1527 return -ENOMEM;
1528
1529 test_data = __skb_put(skb: skb_tmp, LP_PKT_LEN);
1530
1531 memset(test_data, 0xFF, 2 * ETH_ALEN);
1532 test_data[ETH_ALEN] = 0xFE;
1533 test_data[2 * ETH_ALEN] = 0x08;
1534 test_data[2 * ETH_ALEN + 1] = 0x0;
1535
1536 for (i = ETH_HLEN; i < LP_PKT_LEN; i++)
1537 test_data[i] = i & 0xFF;
1538
1539 skb_tmp->queue_mapping = 0;
1540 skb_tmp->ip_summed = CHECKSUM_COMPLETE;
1541 skb_tmp->dev = netdev;
1542
1543 for (i = 0; i < cnt; i++) {
1544 nic_dev->lb_test_rx_idx = 0;
1545 memset(lb_test_rx_buf, 0, LP_PKT_CNT * LP_PKT_LEN);
1546
1547 for (j = 0; j < LP_PKT_CNT; j++) {
1548 skb = pskb_copy(skb: skb_tmp, GFP_ATOMIC);
1549 if (!skb) {
1550 dev_kfree_skb_any(skb: skb_tmp);
1551 netif_err(nic_dev, drv, netdev,
1552 "Copy skb failed for loopback test\n");
1553 return -ENOMEM;
1554 }
1555
1556 /* mark index for every pkt */
1557 skb->data[LP_PKT_LEN - 1] = j;
1558
1559 if (hinic_lb_xmit_frame(skb, netdev)) {
1560 dev_kfree_skb_any(skb);
1561 dev_kfree_skb_any(skb: skb_tmp);
1562 netif_err(nic_dev, drv, netdev,
1563 "Xmit pkt failed for loopback test\n");
1564 return -EBUSY;
1565 }
1566 }
1567
1568 /* wait till all pkts received to RX buffer */
1569 msleep(msecs: 200);
1570
1571 for (j = 0; j < LP_PKT_CNT; j++) {
1572 if (memcmp(p: lb_test_rx_buf + j * LP_PKT_LEN,
1573 q: skb_tmp->data, LP_PKT_LEN - 1) ||
1574 (*(lb_test_rx_buf + j * LP_PKT_LEN +
1575 LP_PKT_LEN - 1) != j)) {
1576 dev_kfree_skb_any(skb: skb_tmp);
1577 netif_err(nic_dev, drv, netdev,
1578 "Compare pkt failed in loopback test(index=0x%02x, data[%d]=0x%02x)\n",
1579 j + i * LP_PKT_CNT,
1580 LP_PKT_LEN - 1,
1581 *(lb_test_rx_buf + j * LP_PKT_LEN +
1582 LP_PKT_LEN - 1));
1583 return -EIO;
1584 }
1585 }
1586 }
1587
1588 dev_kfree_skb_any(skb: skb_tmp);
1589 return 0;
1590}
1591
1592static int do_lp_test(struct hinic_dev *nic_dev, u32 flags, u32 test_time,
1593 enum diag_test_index *test_index)
1594{
1595 struct net_device *netdev = nic_dev->netdev;
1596 u8 *lb_test_rx_buf = NULL;
1597 int err = 0;
1598
1599 if (!(flags & ETH_TEST_FL_EXTERNAL_LB)) {
1600 *test_index = INTERNAL_LP_TEST;
1601 if (hinic_set_loopback_mode(hwdev: nic_dev->hwdev,
1602 HINIC_INTERNAL_LP_MODE, enable: true)) {
1603 netif_err(nic_dev, drv, netdev,
1604 "Failed to set port loopback mode before loopback test\n");
1605 return -EIO;
1606 }
1607 } else {
1608 *test_index = EXTERNAL_LP_TEST;
1609 }
1610
1611 lb_test_rx_buf = vmalloc(LP_PKT_CNT * LP_PKT_LEN);
1612 if (!lb_test_rx_buf) {
1613 err = -ENOMEM;
1614 } else {
1615 nic_dev->lb_test_rx_buf = lb_test_rx_buf;
1616 nic_dev->lb_pkt_len = LP_PKT_LEN;
1617 nic_dev->flags |= HINIC_LP_TEST;
1618 err = hinic_run_lp_test(nic_dev, test_time);
1619 nic_dev->flags &= ~HINIC_LP_TEST;
1620 msleep(msecs: 100);
1621 vfree(addr: lb_test_rx_buf);
1622 nic_dev->lb_test_rx_buf = NULL;
1623 }
1624
1625 if (!(flags & ETH_TEST_FL_EXTERNAL_LB)) {
1626 if (hinic_set_loopback_mode(hwdev: nic_dev->hwdev,
1627 HINIC_INTERNAL_LP_MODE, enable: false)) {
1628 netif_err(nic_dev, drv, netdev,
1629 "Failed to cancel port loopback mode after loopback test\n");
1630 err = -EIO;
1631 }
1632 }
1633
1634 return err;
1635}
1636
1637static void hinic_diag_test(struct net_device *netdev,
1638 struct ethtool_test *eth_test, u64 *data)
1639{
1640 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
1641 enum hinic_port_link_state link_state;
1642 enum diag_test_index test_index = 0;
1643 int err = 0;
1644
1645 memset(data, 0, DIAG_TEST_MAX * sizeof(u64));
1646
1647 /* don't support loopback test when netdev is closed. */
1648 if (!(nic_dev->flags & HINIC_INTF_UP)) {
1649 netif_err(nic_dev, drv, netdev,
1650 "Do not support loopback test when netdev is closed\n");
1651 eth_test->flags |= ETH_TEST_FL_FAILED;
1652 data[PORT_DOWN_ERR_IDX] = 1;
1653 return;
1654 }
1655
1656 netif_carrier_off(dev: netdev);
1657 netif_tx_disable(dev: netdev);
1658
1659 err = do_lp_test(nic_dev, flags: eth_test->flags, LP_DEFAULT_TIME,
1660 test_index: &test_index);
1661 if (err) {
1662 eth_test->flags |= ETH_TEST_FL_FAILED;
1663 data[test_index] = 1;
1664 }
1665
1666 netif_tx_wake_all_queues(dev: netdev);
1667
1668 err = hinic_port_link_state(nic_dev, link_state: &link_state);
1669 if (!err && link_state == HINIC_LINK_STATE_UP)
1670 netif_carrier_on(dev: netdev);
1671}
1672
1673static int hinic_set_phys_id(struct net_device *netdev,
1674 enum ethtool_phys_id_state state)
1675{
1676 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
1677 int err = 0;
1678 u8 port;
1679
1680 port = nic_dev->hwdev->port_id;
1681
1682 switch (state) {
1683 case ETHTOOL_ID_ACTIVE:
1684 err = hinic_set_led_status(hwdev: nic_dev->hwdev, port,
1685 type: HINIC_LED_TYPE_LINK,
1686 mode: HINIC_LED_MODE_FORCE_2HZ);
1687 if (err)
1688 netif_err(nic_dev, drv, netdev,
1689 "Set LED blinking in 2HZ failed\n");
1690 break;
1691
1692 case ETHTOOL_ID_INACTIVE:
1693 err = hinic_reset_led_status(hwdev: nic_dev->hwdev, port);
1694 if (err)
1695 netif_err(nic_dev, drv, netdev,
1696 "Reset LED to original status failed\n");
1697 break;
1698
1699 default:
1700 return -EOPNOTSUPP;
1701 }
1702
1703 return err;
1704}
1705
1706static int hinic_get_module_info(struct net_device *netdev,
1707 struct ethtool_modinfo *modinfo)
1708{
1709 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
1710 u8 sfp_type_ext;
1711 u8 sfp_type;
1712 int err;
1713
1714 err = hinic_get_sfp_type(hwdev: nic_dev->hwdev, data0: &sfp_type, data1: &sfp_type_ext);
1715 if (err)
1716 return err;
1717
1718 switch (sfp_type) {
1719 case SFF8024_ID_SFP:
1720 modinfo->type = ETH_MODULE_SFF_8472;
1721 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1722 break;
1723 case SFF8024_ID_QSFP_8438:
1724 modinfo->type = ETH_MODULE_SFF_8436;
1725 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1726 break;
1727 case SFF8024_ID_QSFP_8436_8636:
1728 if (sfp_type_ext >= 0x3) {
1729 modinfo->type = ETH_MODULE_SFF_8636;
1730 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
1731
1732 } else {
1733 modinfo->type = ETH_MODULE_SFF_8436;
1734 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1735 }
1736 break;
1737 case SFF8024_ID_QSFP28_8636:
1738 modinfo->type = ETH_MODULE_SFF_8636;
1739 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
1740 break;
1741 default:
1742 netif_warn(nic_dev, drv, netdev,
1743 "Optical module unknown: 0x%x\n", sfp_type);
1744 return -EINVAL;
1745 }
1746
1747 return 0;
1748}
1749
1750static int hinic_get_module_eeprom(struct net_device *netdev,
1751 struct ethtool_eeprom *ee, u8 *data)
1752{
1753 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
1754 u8 sfp_data[STD_SFP_INFO_MAX_SIZE];
1755 u16 len;
1756 int err;
1757
1758 if (!ee->len || ((ee->len + ee->offset) > STD_SFP_INFO_MAX_SIZE))
1759 return -EINVAL;
1760
1761 memset(data, 0, ee->len);
1762
1763 err = hinic_get_sfp_eeprom(hwdev: nic_dev->hwdev, data: sfp_data, len: &len);
1764 if (err)
1765 return err;
1766
1767 memcpy(data, sfp_data + ee->offset, ee->len);
1768
1769 return 0;
1770}
1771
1772static int
1773hinic_get_link_ext_state(struct net_device *netdev,
1774 struct ethtool_link_ext_state_info *link_ext_state_info)
1775{
1776 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
1777
1778 if (netif_carrier_ok(dev: netdev))
1779 return -ENODATA;
1780
1781 if (nic_dev->cable_unplugged)
1782 link_ext_state_info->link_ext_state =
1783 ETHTOOL_LINK_EXT_STATE_NO_CABLE;
1784 else if (nic_dev->module_unrecognized)
1785 link_ext_state_info->link_ext_state =
1786 ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH;
1787
1788 return 0;
1789}
1790
1791static const struct ethtool_ops hinic_ethtool_ops = {
1792 .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS |
1793 ETHTOOL_COALESCE_RX_MAX_FRAMES |
1794 ETHTOOL_COALESCE_TX_USECS |
1795 ETHTOOL_COALESCE_TX_MAX_FRAMES,
1796
1797 .get_link_ksettings = hinic_get_link_ksettings,
1798 .set_link_ksettings = hinic_set_link_ksettings,
1799 .get_drvinfo = hinic_get_drvinfo,
1800 .get_link = ethtool_op_get_link,
1801 .get_link_ext_state = hinic_get_link_ext_state,
1802 .get_ringparam = hinic_get_ringparam,
1803 .set_ringparam = hinic_set_ringparam,
1804 .get_coalesce = hinic_get_coalesce,
1805 .set_coalesce = hinic_set_coalesce,
1806 .get_per_queue_coalesce = hinic_get_per_queue_coalesce,
1807 .set_per_queue_coalesce = hinic_set_per_queue_coalesce,
1808 .get_pauseparam = hinic_get_pauseparam,
1809 .set_pauseparam = hinic_set_pauseparam,
1810 .get_channels = hinic_get_channels,
1811 .set_channels = hinic_set_channels,
1812 .get_rxnfc = hinic_get_rxnfc,
1813 .set_rxnfc = hinic_set_rxnfc,
1814 .get_rxfh_key_size = hinic_get_rxfh_key_size,
1815 .get_rxfh_indir_size = hinic_get_rxfh_indir_size,
1816 .get_rxfh = hinic_get_rxfh,
1817 .set_rxfh = hinic_set_rxfh,
1818 .get_sset_count = hinic_get_sset_count,
1819 .get_ethtool_stats = hinic_get_ethtool_stats,
1820 .get_strings = hinic_get_strings,
1821 .self_test = hinic_diag_test,
1822 .set_phys_id = hinic_set_phys_id,
1823 .get_module_info = hinic_get_module_info,
1824 .get_module_eeprom = hinic_get_module_eeprom,
1825};
1826
1827static const struct ethtool_ops hinicvf_ethtool_ops = {
1828 .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS |
1829 ETHTOOL_COALESCE_RX_MAX_FRAMES |
1830 ETHTOOL_COALESCE_TX_USECS |
1831 ETHTOOL_COALESCE_TX_MAX_FRAMES,
1832
1833 .get_link_ksettings = hinic_get_link_ksettings,
1834 .get_drvinfo = hinic_get_drvinfo,
1835 .get_link = ethtool_op_get_link,
1836 .get_ringparam = hinic_get_ringparam,
1837 .set_ringparam = hinic_set_ringparam,
1838 .get_coalesce = hinic_get_coalesce,
1839 .set_coalesce = hinic_set_coalesce,
1840 .get_per_queue_coalesce = hinic_get_per_queue_coalesce,
1841 .set_per_queue_coalesce = hinic_set_per_queue_coalesce,
1842 .get_channels = hinic_get_channels,
1843 .set_channels = hinic_set_channels,
1844 .get_rxnfc = hinic_get_rxnfc,
1845 .set_rxnfc = hinic_set_rxnfc,
1846 .get_rxfh_key_size = hinic_get_rxfh_key_size,
1847 .get_rxfh_indir_size = hinic_get_rxfh_indir_size,
1848 .get_rxfh = hinic_get_rxfh,
1849 .set_rxfh = hinic_set_rxfh,
1850 .get_sset_count = hinic_get_sset_count,
1851 .get_ethtool_stats = hinic_get_ethtool_stats,
1852 .get_strings = hinic_get_strings,
1853};
1854
1855void hinic_set_ethtool_ops(struct net_device *netdev)
1856{
1857 struct hinic_dev *nic_dev = netdev_priv(dev: netdev);
1858
1859 if (!HINIC_IS_VF(nic_dev->hwdev->hwif))
1860 netdev->ethtool_ops = &hinic_ethtool_ops;
1861 else
1862 netdev->ethtool_ops = &hinicvf_ethtool_ops;
1863}
1864

source code of linux/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c