Merge tag 'drm-misc-fixes-2019-02-07' of git://anongit.freedesktop.org/drm/drm-misc...
[sfrench/cifs-2.6.git] / drivers / net / ethernet / hisilicon / hns / hns_ethtool.c
1 /*
2  * Copyright (c) 2014-2015 Hisilicon Limited.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  */
9
10 #include <linux/etherdevice.h>
11 #include <linux/interrupt.h>
12 #include <linux/module.h>
13 #include <linux/platform_device.h>
14 #include "hns_enet.h"
15
16 #define HNS_PHY_PAGE_MDIX       0
17 #define HNS_PHY_PAGE_LED        3
18 #define HNS_PHY_PAGE_COPPER     0
19
20 #define HNS_PHY_PAGE_REG        22      /* Page Selection Reg. */
21 #define HNS_PHY_CSC_REG         16      /* Copper Specific Control Register */
22 #define HNS_PHY_CSS_REG         17      /* Copper Specific Status Register */
23 #define HNS_LED_FC_REG          16      /* LED Function Control Reg. */
24 #define HNS_LED_PC_REG          17      /* LED Polarity Control Reg. */
25
26 #define HNS_LED_FORCE_ON        9
27 #define HNS_LED_FORCE_OFF       8
28
29 #define HNS_CHIP_VERSION 660
30 #define HNS_NET_STATS_CNT 26
31
32 #define PHY_MDIX_CTRL_S         (5)
33 #define PHY_MDIX_CTRL_M         (3 << PHY_MDIX_CTRL_S)
34
35 #define PHY_MDIX_STATUS_B       (6)
36 #define PHY_SPEED_DUP_RESOLVE_B (11)
37
38 /**
39  *hns_nic_get_link - get current link status
40  *@net_dev: net_device
41  *retuen 0 - success , negative --fail
42  */
43 static u32 hns_nic_get_link(struct net_device *net_dev)
44 {
45         struct hns_nic_priv *priv = netdev_priv(net_dev);
46         u32 link_stat = priv->link;
47         struct hnae_handle *h;
48
49         h = priv->ae_handle;
50
51         if (net_dev->phydev) {
52                 if (!genphy_read_status(net_dev->phydev))
53                         link_stat = net_dev->phydev->link;
54                 else
55                         link_stat = 0;
56         }
57
58         if (h->dev && h->dev->ops && h->dev->ops->get_status)
59                 link_stat = link_stat && h->dev->ops->get_status(h);
60         else
61                 link_stat = 0;
62
63         return link_stat;
64 }
65
66 static void hns_get_mdix_mode(struct net_device *net_dev,
67                               struct ethtool_link_ksettings *cmd)
68 {
69         int mdix_ctrl, mdix, retval, is_resolved;
70         struct phy_device *phy_dev = net_dev->phydev;
71
72         if (!phy_dev || !phy_dev->mdio.bus) {
73                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
74                 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
75                 return;
76         }
77
78         phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_MDIX);
79
80         retval = phy_read(phy_dev, HNS_PHY_CSC_REG);
81         mdix_ctrl = hnae_get_field(retval, PHY_MDIX_CTRL_M, PHY_MDIX_CTRL_S);
82
83         retval = phy_read(phy_dev, HNS_PHY_CSS_REG);
84         mdix = hnae_get_bit(retval, PHY_MDIX_STATUS_B);
85         is_resolved = hnae_get_bit(retval, PHY_SPEED_DUP_RESOLVE_B);
86
87         phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
88
89         switch (mdix_ctrl) {
90         case 0x0:
91                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI;
92                 break;
93         case 0x1:
94                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_X;
95                 break;
96         case 0x3:
97                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
98                 break;
99         default:
100                 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
101                 break;
102         }
103
104         if (!is_resolved)
105                 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
106         else if (mdix)
107                 cmd->base.eth_tp_mdix = ETH_TP_MDI_X;
108         else
109                 cmd->base.eth_tp_mdix = ETH_TP_MDI;
110 }
111
112 /**
113  *hns_nic_get_link_ksettings - implement ethtool get link ksettings
114  *@net_dev: net_device
115  *@cmd: ethtool_link_ksettings
116  *retuen 0 - success , negative --fail
117  */
118 static int hns_nic_get_link_ksettings(struct net_device *net_dev,
119                                       struct ethtool_link_ksettings *cmd)
120 {
121         struct hns_nic_priv *priv = netdev_priv(net_dev);
122         struct hnae_handle *h;
123         u32 link_stat;
124         int ret;
125         u8 duplex;
126         u16 speed;
127         u32 supported, advertising;
128
129         if (!priv || !priv->ae_handle)
130                 return -ESRCH;
131
132         h = priv->ae_handle;
133         if (!h->dev || !h->dev->ops || !h->dev->ops->get_info)
134                 return -ESRCH;
135
136         ret = h->dev->ops->get_info(h, NULL, &speed, &duplex);
137         if (ret < 0) {
138                 netdev_err(net_dev, "%s get_info error!\n", __func__);
139                 return -EINVAL;
140         }
141
142         ethtool_convert_link_mode_to_legacy_u32(&supported,
143                                                 cmd->link_modes.supported);
144         ethtool_convert_link_mode_to_legacy_u32(&advertising,
145                                                 cmd->link_modes.advertising);
146
147         /* When there is no phy, autoneg is off. */
148         cmd->base.autoneg = false;
149         cmd->base.speed = speed;
150         cmd->base.duplex = duplex;
151
152         if (net_dev->phydev)
153                 phy_ethtool_ksettings_get(net_dev->phydev, cmd);
154
155         link_stat = hns_nic_get_link(net_dev);
156         if (!link_stat) {
157                 cmd->base.speed = (u32)SPEED_UNKNOWN;
158                 cmd->base.duplex = DUPLEX_UNKNOWN;
159         }
160
161         if (cmd->base.autoneg)
162                 advertising |= ADVERTISED_Autoneg;
163
164         supported |= h->if_support;
165         if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
166                 supported |= SUPPORTED_TP;
167                 advertising |= ADVERTISED_1000baseT_Full;
168         } else if (h->phy_if == PHY_INTERFACE_MODE_XGMII) {
169                 supported |= SUPPORTED_FIBRE;
170                 advertising |= ADVERTISED_10000baseKR_Full;
171         }
172
173         switch (h->media_type) {
174         case HNAE_MEDIA_TYPE_FIBER:
175                 cmd->base.port = PORT_FIBRE;
176                 break;
177         case HNAE_MEDIA_TYPE_COPPER:
178                 cmd->base.port = PORT_TP;
179                 break;
180         case HNAE_MEDIA_TYPE_UNKNOWN:
181         default:
182                 break;
183         }
184
185         if (!(AE_IS_VER1(priv->enet_ver) && h->port_type == HNAE_PORT_DEBUG))
186                 supported |= SUPPORTED_Pause;
187
188         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
189                                                 supported);
190         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
191                                                 advertising);
192
193         cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C45 | ETH_MDIO_SUPPORTS_C22;
194         hns_get_mdix_mode(net_dev, cmd);
195
196         return 0;
197 }
198
199 /**
200  *hns_nic_set_link_settings - implement ethtool set link ksettings
201  *@net_dev: net_device
202  *@cmd: ethtool_link_ksettings
203  *retuen 0 - success , negative --fail
204  */
205 static int hns_nic_set_link_ksettings(struct net_device *net_dev,
206                                       const struct ethtool_link_ksettings *cmd)
207 {
208         struct hns_nic_priv *priv = netdev_priv(net_dev);
209         struct hnae_handle *h;
210         u32 speed;
211
212         if (!netif_running(net_dev))
213                 return -ESRCH;
214
215         if (!priv || !priv->ae_handle || !priv->ae_handle->dev ||
216             !priv->ae_handle->dev->ops)
217                 return -ENODEV;
218
219         h = priv->ae_handle;
220         speed = cmd->base.speed;
221
222         if (h->phy_if == PHY_INTERFACE_MODE_XGMII) {
223                 if (cmd->base.autoneg == AUTONEG_ENABLE ||
224                     speed != SPEED_10000 ||
225                     cmd->base.duplex != DUPLEX_FULL)
226                         return -EINVAL;
227         } else if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
228                 if (!net_dev->phydev && cmd->base.autoneg == AUTONEG_ENABLE)
229                         return -EINVAL;
230
231                 if (speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
232                         return -EINVAL;
233                 if (net_dev->phydev)
234                         return phy_ethtool_ksettings_set(net_dev->phydev, cmd);
235
236                 if ((speed != SPEED_10 && speed != SPEED_100 &&
237                      speed != SPEED_1000) || (cmd->base.duplex != DUPLEX_HALF &&
238                      cmd->base.duplex != DUPLEX_FULL))
239                         return -EINVAL;
240         } else {
241                 netdev_err(net_dev, "Not supported!");
242                 return -ENOTSUPP;
243         }
244
245         if (h->dev->ops->adjust_link) {
246                 netif_carrier_off(net_dev);
247                 h->dev->ops->adjust_link(h, (int)speed, cmd->base.duplex);
248                 netif_carrier_on(net_dev);
249                 return 0;
250         }
251
252         netdev_err(net_dev, "Not supported!");
253         return -ENOTSUPP;
254 }
255
256 static const char hns_nic_test_strs[][ETH_GSTRING_LEN] = {
257         "Mac    Loopback test",
258         "Serdes Loopback test",
259         "Phy    Loopback test"
260 };
261
262 static int hns_nic_config_phy_loopback(struct phy_device *phy_dev, u8 en)
263 {
264         int err;
265
266         if (en) {
267                 /* Doing phy loopback in offline state, phy resuming is
268                  * needed to power up the device.
269                  */
270                 err = phy_resume(phy_dev);
271                 if (err)
272                         goto out;
273
274                 err = phy_loopback(phy_dev, true);
275         } else {
276                 err = phy_loopback(phy_dev, false);
277                 if (err)
278                         goto out;
279
280                 err = phy_suspend(phy_dev);
281         }
282
283 out:
284         return err;
285 }
286
287 static int __lb_setup(struct net_device *ndev,
288                       enum hnae_loop loop)
289 {
290         int ret = 0;
291         struct hns_nic_priv *priv = netdev_priv(ndev);
292         struct phy_device *phy_dev = ndev->phydev;
293         struct hnae_handle *h = priv->ae_handle;
294
295         switch (loop) {
296         case MAC_INTERNALLOOP_PHY:
297                 ret = hns_nic_config_phy_loopback(phy_dev, 0x1);
298                 if (!ret)
299                         ret = h->dev->ops->set_loopback(h, loop, 0x1);
300                 break;
301         case MAC_INTERNALLOOP_MAC:
302                 if ((h->dev->ops->set_loopback) &&
303                     (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII))
304                         ret = h->dev->ops->set_loopback(h, loop, 0x1);
305                 break;
306         case MAC_INTERNALLOOP_SERDES:
307                 if (h->dev->ops->set_loopback)
308                         ret = h->dev->ops->set_loopback(h, loop, 0x1);
309                 break;
310         case MAC_LOOP_PHY_NONE:
311                 ret = hns_nic_config_phy_loopback(phy_dev, 0x0);
312                 /* fall through */
313         case MAC_LOOP_NONE:
314                 if (!ret && h->dev->ops->set_loopback) {
315                         if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
316                                 ret = h->dev->ops->set_loopback(h,
317                                         MAC_INTERNALLOOP_MAC, 0x0);
318
319                         if (!ret)
320                                 ret = h->dev->ops->set_loopback(h,
321                                         MAC_INTERNALLOOP_SERDES, 0x0);
322                 }
323                 break;
324         default:
325                 ret = -EINVAL;
326                 break;
327         }
328
329         if (!ret) {
330                 if (loop == MAC_LOOP_NONE)
331                         h->dev->ops->set_promisc_mode(
332                                 h, ndev->flags & IFF_PROMISC);
333                 else
334                         h->dev->ops->set_promisc_mode(h, 1);
335         }
336         return ret;
337 }
338
339 static int __lb_up(struct net_device *ndev,
340                    enum hnae_loop loop_mode)
341 {
342         struct hns_nic_priv *priv = netdev_priv(ndev);
343         struct hnae_handle *h = priv->ae_handle;
344         int speed, duplex;
345         int ret;
346
347         hns_nic_net_reset(ndev);
348
349         ret = __lb_setup(ndev, loop_mode);
350         if (ret)
351                 return ret;
352
353         msleep(200);
354
355         ret = h->dev->ops->start ? h->dev->ops->start(h) : 0;
356         if (ret)
357                 return ret;
358
359         /* link adjust duplex*/
360         if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
361                 speed = 1000;
362         else
363                 speed = 10000;
364         duplex = 1;
365
366         h->dev->ops->adjust_link(h, speed, duplex);
367
368         return 0;
369 }
370
371 static void __lb_other_process(struct hns_nic_ring_data *ring_data,
372                                struct sk_buff *skb)
373 {
374         struct net_device *ndev;
375         struct hns_nic_priv *priv;
376         struct hnae_ring *ring;
377         struct netdev_queue *dev_queue;
378         struct sk_buff *new_skb;
379         unsigned int frame_size;
380         int check_ok;
381         u32 i;
382         char buff[33]; /* 32B data and the last character '\0' */
383
384         if (!ring_data) { /* Just for doing create frame*/
385                 ndev = skb->dev;
386                 priv = netdev_priv(ndev);
387
388                 frame_size = skb->len;
389                 memset(skb->data, 0xFF, frame_size);
390                 if ((!AE_IS_VER1(priv->enet_ver)) &&
391                     (priv->ae_handle->port_type == HNAE_PORT_SERVICE)) {
392                         memcpy(skb->data, ndev->dev_addr, 6);
393                         skb->data[5] += 0x1f;
394                 }
395
396                 frame_size &= ~1ul;
397                 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
398                 memset(&skb->data[frame_size / 2 + 10], 0xBE,
399                        frame_size / 2 - 11);
400                 memset(&skb->data[frame_size / 2 + 12], 0xAF,
401                        frame_size / 2 - 13);
402                 return;
403         }
404
405         ring = ring_data->ring;
406         ndev = ring_data->napi.dev;
407         if (is_tx_ring(ring)) { /* for tx queue reset*/
408                 dev_queue = netdev_get_tx_queue(ndev, ring_data->queue_index);
409                 netdev_tx_reset_queue(dev_queue);
410                 return;
411         }
412
413         frame_size = skb->len;
414         frame_size &= ~1ul;
415         /* for mutl buffer*/
416         new_skb = skb_copy(skb, GFP_ATOMIC);
417         dev_kfree_skb_any(skb);
418         skb = new_skb;
419
420         check_ok = 0;
421         if (*(skb->data + 10) == 0xFF) { /* for rx check frame*/
422                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
423                     (*(skb->data + frame_size / 2 + 12) == 0xAF))
424                         check_ok = 1;
425         }
426
427         if (check_ok) {
428                 ndev->stats.rx_packets++;
429                 ndev->stats.rx_bytes += skb->len;
430         } else {
431                 ndev->stats.rx_frame_errors++;
432                 for (i = 0; i < skb->len; i++) {
433                         snprintf(buff + i % 16 * 2, 3, /* tailing \0*/
434                                  "%02x", *(skb->data + i));
435                         if ((i % 16 == 15) || (i == skb->len - 1))
436                                 pr_info("%s\n", buff);
437                 }
438         }
439         dev_kfree_skb_any(skb);
440 }
441
442 static int __lb_clean_rings(struct hns_nic_priv *priv,
443                             int ringid0, int ringid1, int budget)
444 {
445         int i, ret;
446         struct hns_nic_ring_data *ring_data;
447         struct net_device *ndev = priv->netdev;
448         unsigned long rx_packets = ndev->stats.rx_packets;
449         unsigned long rx_bytes = ndev->stats.rx_bytes;
450         unsigned long rx_frame_errors = ndev->stats.rx_frame_errors;
451
452         for (i = ringid0; i <= ringid1; i++) {
453                 ring_data = &priv->ring_data[i];
454                 (void)ring_data->poll_one(ring_data,
455                                           budget, __lb_other_process);
456         }
457         ret = (int)(ndev->stats.rx_packets - rx_packets);
458         ndev->stats.rx_packets = rx_packets;
459         ndev->stats.rx_bytes = rx_bytes;
460         ndev->stats.rx_frame_errors = rx_frame_errors;
461         return ret;
462 }
463
464 /**
465  * nic_run_loopback_test -  run loopback test
466  * @nic_dev: net device
467  * @loopback_type: loopback type
468  */
469 static int __lb_run_test(struct net_device *ndev,
470                          enum hnae_loop loop_mode)
471 {
472 #define NIC_LB_TEST_PKT_NUM_PER_CYCLE 1
473 #define NIC_LB_TEST_RING_ID 0
474 #define NIC_LB_TEST_FRAME_SIZE 128
475 /* nic loopback test err  */
476 #define NIC_LB_TEST_NO_MEM_ERR 1
477 #define NIC_LB_TEST_TX_CNT_ERR 2
478 #define NIC_LB_TEST_RX_CNT_ERR 3
479 #define NIC_LB_TEST_RX_PKG_ERR 4
480         struct hns_nic_priv *priv = netdev_priv(ndev);
481         struct hnae_handle *h = priv->ae_handle;
482         int i, j, lc, good_cnt, ret_val = 0;
483         unsigned int size;
484         netdev_tx_t tx_ret_val;
485         struct sk_buff *skb;
486
487         size = NIC_LB_TEST_FRAME_SIZE;
488         /* allocate test skb */
489         skb = alloc_skb(size, GFP_KERNEL);
490         if (!skb)
491                 return NIC_LB_TEST_NO_MEM_ERR;
492
493         /* place data into test skb */
494         (void)skb_put(skb, size);
495         skb->dev = ndev;
496         __lb_other_process(NULL, skb);
497         skb->queue_mapping = NIC_LB_TEST_RING_ID;
498
499         lc = 1;
500         for (j = 0; j < lc; j++) {
501                 /* reset count of good packets */
502                 good_cnt = 0;
503                 /* place 64 packets on the transmit queue*/
504                 for (i = 0; i < NIC_LB_TEST_PKT_NUM_PER_CYCLE; i++) {
505                         (void)skb_get(skb);
506
507                         tx_ret_val = (netdev_tx_t)hns_nic_net_xmit_hw(
508                                 ndev, skb,
509                                 &tx_ring_data(priv, skb->queue_mapping));
510                         if (tx_ret_val == NETDEV_TX_OK)
511                                 good_cnt++;
512                         else
513                                 break;
514                 }
515                 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
516                         ret_val = NIC_LB_TEST_TX_CNT_ERR;
517                         dev_err(priv->dev, "%s sent fail, cnt=0x%x, budget=0x%x\n",
518                                 hns_nic_test_strs[loop_mode], good_cnt,
519                                 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
520                         break;
521                 }
522
523                 /* allow 100 milliseconds for packets to go from Tx to Rx */
524                 msleep(100);
525
526                 good_cnt = __lb_clean_rings(priv,
527                                             h->q_num, h->q_num * 2 - 1,
528                                             NIC_LB_TEST_PKT_NUM_PER_CYCLE);
529                 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
530                         ret_val = NIC_LB_TEST_RX_CNT_ERR;
531                         dev_err(priv->dev, "%s recv fail, cnt=0x%x, budget=0x%x\n",
532                                 hns_nic_test_strs[loop_mode], good_cnt,
533                                 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
534                         break;
535                 }
536                 (void)__lb_clean_rings(priv,
537                                        NIC_LB_TEST_RING_ID, NIC_LB_TEST_RING_ID,
538                                        NIC_LB_TEST_PKT_NUM_PER_CYCLE);
539         }
540
541         /* free the original skb */
542         kfree_skb(skb);
543
544         return ret_val;
545 }
546
547 static int __lb_down(struct net_device *ndev, enum hnae_loop loop)
548 {
549         struct hns_nic_priv *priv = netdev_priv(ndev);
550         struct hnae_handle *h = priv->ae_handle;
551         int ret;
552
553         if (loop == MAC_INTERNALLOOP_PHY)
554                 ret = __lb_setup(ndev, MAC_LOOP_PHY_NONE);
555         else
556                 ret = __lb_setup(ndev, MAC_LOOP_NONE);
557         if (ret)
558                 netdev_err(ndev, "%s: __lb_setup return error(%d)!\n",
559                            __func__,
560                            ret);
561
562         if (h->dev->ops->stop)
563                 h->dev->ops->stop(h);
564
565         usleep_range(10000, 20000);
566         (void)__lb_clean_rings(priv, 0, h->q_num - 1, 256);
567
568         hns_nic_net_reset(ndev);
569
570         return 0;
571 }
572
573 /**
574  * hns_nic_self_test - self test
575  * @dev: net device
576  * @eth_test: test cmd
577  * @data: test result
578  */
579 static void hns_nic_self_test(struct net_device *ndev,
580                               struct ethtool_test *eth_test, u64 *data)
581 {
582         struct hns_nic_priv *priv = netdev_priv(ndev);
583         bool if_running = netif_running(ndev);
584 #define SELF_TEST_TPYE_NUM 3
585         int st_param[SELF_TEST_TPYE_NUM][2];
586         int i;
587         int test_index = 0;
588
589         st_param[0][0] = MAC_INTERNALLOOP_MAC; /* XGE not supported lb */
590         st_param[0][1] = (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII);
591         st_param[1][0] = MAC_INTERNALLOOP_SERDES;
592         st_param[1][1] = 1; /*serdes must exist*/
593         st_param[2][0] = MAC_INTERNALLOOP_PHY; /* only supporte phy node*/
594         st_param[2][1] = ((!!(priv->ae_handle->phy_dev)) &&
595                 (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII));
596
597         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
598                 set_bit(NIC_STATE_TESTING, &priv->state);
599
600                 if (if_running)
601                         dev_close(ndev);
602
603                 for (i = 0; i < SELF_TEST_TPYE_NUM; i++) {
604                         if (!st_param[i][1])
605                                 continue;       /* NEXT testing */
606
607                         data[test_index] = __lb_up(ndev,
608                                 (enum hnae_loop)st_param[i][0]);
609                         if (!data[test_index]) {
610                                 data[test_index] = __lb_run_test(
611                                         ndev, (enum hnae_loop)st_param[i][0]);
612                                 (void)__lb_down(ndev,
613                                                 (enum hnae_loop)st_param[i][0]);
614                         }
615
616                         if (data[test_index])
617                                 eth_test->flags |= ETH_TEST_FL_FAILED;
618
619                         test_index++;
620                 }
621
622                 hns_nic_net_reset(priv->netdev);
623
624                 clear_bit(NIC_STATE_TESTING, &priv->state);
625
626                 if (if_running)
627                         (void)dev_open(ndev, NULL);
628         }
629         /* Online tests aren't run; pass by default */
630
631         (void)msleep_interruptible(4 * 1000);
632 }
633
634 /**
635  * hns_nic_get_drvinfo - get net driver info
636  * @dev: net device
637  * @drvinfo: driver info
638  */
639 static void hns_nic_get_drvinfo(struct net_device *net_dev,
640                                 struct ethtool_drvinfo *drvinfo)
641 {
642         struct hns_nic_priv *priv = netdev_priv(net_dev);
643
644         strncpy(drvinfo->version, HNAE_DRIVER_VERSION,
645                 sizeof(drvinfo->version));
646         drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
647
648         strncpy(drvinfo->driver, HNAE_DRIVER_NAME, sizeof(drvinfo->driver));
649         drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
650
651         strncpy(drvinfo->bus_info, priv->dev->bus->name,
652                 sizeof(drvinfo->bus_info));
653         drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
654
655         strncpy(drvinfo->fw_version, "N/A", ETHTOOL_FWVERS_LEN);
656         drvinfo->eedump_len = 0;
657 }
658
659 /**
660  * hns_get_ringparam - get ring parameter
661  * @dev: net device
662  * @param: ethtool parameter
663  */
664 static void hns_get_ringparam(struct net_device *net_dev,
665                               struct ethtool_ringparam *param)
666 {
667         struct hns_nic_priv *priv = netdev_priv(net_dev);
668         struct hnae_ae_ops *ops;
669         struct hnae_queue *queue;
670         u32 uplimit = 0;
671
672         queue = priv->ae_handle->qs[0];
673         ops = priv->ae_handle->dev->ops;
674
675         if (ops->get_ring_bdnum_limit)
676                 ops->get_ring_bdnum_limit(queue, &uplimit);
677
678         param->rx_max_pending = uplimit;
679         param->tx_max_pending = uplimit;
680         param->rx_pending = queue->rx_ring.desc_num;
681         param->tx_pending = queue->tx_ring.desc_num;
682 }
683
684 /**
685  * hns_get_pauseparam - get pause parameter
686  * @dev: net device
687  * @param: pause parameter
688  */
689 static void hns_get_pauseparam(struct net_device *net_dev,
690                                struct ethtool_pauseparam *param)
691 {
692         struct hns_nic_priv *priv = netdev_priv(net_dev);
693         struct hnae_ae_ops *ops;
694
695         ops = priv->ae_handle->dev->ops;
696
697         if (ops->get_pauseparam)
698                 ops->get_pauseparam(priv->ae_handle, &param->autoneg,
699                                             &param->rx_pause, &param->tx_pause);
700 }
701
702 /**
703  * hns_set_pauseparam - set pause parameter
704  * @dev: net device
705  * @param: pause parameter
706  *
707  * Return 0 on success, negative on failure
708  */
709 static int hns_set_pauseparam(struct net_device *net_dev,
710                               struct ethtool_pauseparam *param)
711 {
712         struct hns_nic_priv *priv = netdev_priv(net_dev);
713         struct hnae_handle *h;
714         struct hnae_ae_ops *ops;
715
716         h = priv->ae_handle;
717         ops = h->dev->ops;
718
719         if (!ops->set_pauseparam)
720                 return -ESRCH;
721
722         return ops->set_pauseparam(priv->ae_handle, param->autoneg,
723                                    param->rx_pause, param->tx_pause);
724 }
725
726 /**
727  * hns_get_coalesce - get coalesce info.
728  * @dev: net device
729  * @ec: coalesce info.
730  *
731  * Return 0 on success, negative on failure.
732  */
733 static int hns_get_coalesce(struct net_device *net_dev,
734                             struct ethtool_coalesce *ec)
735 {
736         struct hns_nic_priv *priv = netdev_priv(net_dev);
737         struct hnae_ae_ops *ops;
738
739         ops = priv->ae_handle->dev->ops;
740
741         ec->use_adaptive_rx_coalesce = priv->ae_handle->coal_adapt_en;
742         ec->use_adaptive_tx_coalesce = priv->ae_handle->coal_adapt_en;
743
744         if ((!ops->get_coalesce_usecs) ||
745             (!ops->get_max_coalesced_frames))
746                 return -ESRCH;
747
748         ops->get_coalesce_usecs(priv->ae_handle,
749                                         &ec->tx_coalesce_usecs,
750                                         &ec->rx_coalesce_usecs);
751
752         ops->get_max_coalesced_frames(
753                 priv->ae_handle,
754                 &ec->tx_max_coalesced_frames,
755                 &ec->rx_max_coalesced_frames);
756
757         ops->get_coalesce_range(priv->ae_handle,
758                                 &ec->tx_max_coalesced_frames_low,
759                                 &ec->rx_max_coalesced_frames_low,
760                                 &ec->tx_max_coalesced_frames_high,
761                                 &ec->rx_max_coalesced_frames_high,
762                                 &ec->tx_coalesce_usecs_low,
763                                 &ec->rx_coalesce_usecs_low,
764                                 &ec->tx_coalesce_usecs_high,
765                                 &ec->rx_coalesce_usecs_high);
766
767         return 0;
768 }
769
770 /**
771  * hns_set_coalesce - set coalesce info.
772  * @dev: net device
773  * @ec: coalesce info.
774  *
775  * Return 0 on success, negative on failure.
776  */
777 static int hns_set_coalesce(struct net_device *net_dev,
778                             struct ethtool_coalesce *ec)
779 {
780         struct hns_nic_priv *priv = netdev_priv(net_dev);
781         struct hnae_ae_ops *ops;
782         int rc1, rc2;
783
784         ops = priv->ae_handle->dev->ops;
785
786         if (ec->tx_coalesce_usecs != ec->rx_coalesce_usecs)
787                 return -EINVAL;
788
789         if ((!ops->set_coalesce_usecs) ||
790             (!ops->set_coalesce_frames))
791                 return -ESRCH;
792
793         if (ec->use_adaptive_rx_coalesce != priv->ae_handle->coal_adapt_en)
794                 priv->ae_handle->coal_adapt_en = ec->use_adaptive_rx_coalesce;
795
796         rc1 = ops->set_coalesce_usecs(priv->ae_handle,
797                                       ec->rx_coalesce_usecs);
798
799         rc2 = ops->set_coalesce_frames(priv->ae_handle,
800                                        ec->tx_max_coalesced_frames,
801                                        ec->rx_max_coalesced_frames);
802
803         if (rc1 || rc2)
804                 return -EINVAL;
805
806         return 0;
807 }
808
809 /**
810  * hns_get_channels - get channel info.
811  * @dev: net device
812  * @ch: channel info.
813  */
814 static void
815 hns_get_channels(struct net_device *net_dev, struct ethtool_channels *ch)
816 {
817         struct hns_nic_priv *priv = netdev_priv(net_dev);
818
819         ch->max_rx = priv->ae_handle->q_num;
820         ch->max_tx = priv->ae_handle->q_num;
821
822         ch->rx_count = priv->ae_handle->q_num;
823         ch->tx_count = priv->ae_handle->q_num;
824 }
825
826 /**
827  * get_ethtool_stats - get detail statistics.
828  * @dev: net device
829  * @stats: statistics info.
830  * @data: statistics data.
831  */
832 static void hns_get_ethtool_stats(struct net_device *netdev,
833                                   struct ethtool_stats *stats, u64 *data)
834 {
835         u64 *p = data;
836         struct hns_nic_priv *priv = netdev_priv(netdev);
837         struct hnae_handle *h = priv->ae_handle;
838         const struct rtnl_link_stats64 *net_stats;
839         struct rtnl_link_stats64 temp;
840
841         if (!h->dev->ops->get_stats || !h->dev->ops->update_stats) {
842                 netdev_err(netdev, "get_stats or update_stats is null!\n");
843                 return;
844         }
845
846         h->dev->ops->update_stats(h, &netdev->stats);
847
848         net_stats = dev_get_stats(netdev, &temp);
849
850         /* get netdev statistics */
851         p[0] = net_stats->rx_packets;
852         p[1] = net_stats->tx_packets;
853         p[2] = net_stats->rx_bytes;
854         p[3] = net_stats->tx_bytes;
855         p[4] = net_stats->rx_errors;
856         p[5] = net_stats->tx_errors;
857         p[6] = net_stats->rx_dropped;
858         p[7] = net_stats->tx_dropped;
859         p[8] = net_stats->multicast;
860         p[9] = net_stats->collisions;
861         p[10] = net_stats->rx_over_errors;
862         p[11] = net_stats->rx_crc_errors;
863         p[12] = net_stats->rx_frame_errors;
864         p[13] = net_stats->rx_fifo_errors;
865         p[14] = net_stats->rx_missed_errors;
866         p[15] = net_stats->tx_aborted_errors;
867         p[16] = net_stats->tx_carrier_errors;
868         p[17] = net_stats->tx_fifo_errors;
869         p[18] = net_stats->tx_heartbeat_errors;
870         p[19] = net_stats->rx_length_errors;
871         p[20] = net_stats->tx_window_errors;
872         p[21] = net_stats->rx_compressed;
873         p[22] = net_stats->tx_compressed;
874
875         p[23] = netdev->rx_dropped.counter;
876         p[24] = netdev->tx_dropped.counter;
877
878         p[25] = priv->tx_timeout_count;
879
880         /* get driver statistics */
881         h->dev->ops->get_stats(h, &p[26]);
882 }
883
884 /**
885  * get_strings: Return a set of strings that describe the requested objects
886  * @dev: net device
887  * @stats: string set ID.
888  * @data: objects data.
889  */
890 static void hns_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
891 {
892         struct hns_nic_priv *priv = netdev_priv(netdev);
893         struct hnae_handle *h = priv->ae_handle;
894         char *buff = (char *)data;
895
896         if (!h->dev->ops->get_strings) {
897                 netdev_err(netdev, "h->dev->ops->get_strings is null!\n");
898                 return;
899         }
900
901         if (stringset == ETH_SS_TEST) {
902                 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII) {
903                         memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_MAC],
904                                ETH_GSTRING_LEN);
905                         buff += ETH_GSTRING_LEN;
906                 }
907                 memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_SERDES],
908                        ETH_GSTRING_LEN);
909                 buff += ETH_GSTRING_LEN;
910                 if ((netdev->phydev) && (!netdev->phydev->is_c45))
911                         memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_PHY],
912                                ETH_GSTRING_LEN);
913
914         } else {
915                 snprintf(buff, ETH_GSTRING_LEN, "rx_packets");
916                 buff = buff + ETH_GSTRING_LEN;
917                 snprintf(buff, ETH_GSTRING_LEN, "tx_packets");
918                 buff = buff + ETH_GSTRING_LEN;
919                 snprintf(buff, ETH_GSTRING_LEN, "rx_bytes");
920                 buff = buff + ETH_GSTRING_LEN;
921                 snprintf(buff, ETH_GSTRING_LEN, "tx_bytes");
922                 buff = buff + ETH_GSTRING_LEN;
923                 snprintf(buff, ETH_GSTRING_LEN, "rx_errors");
924                 buff = buff + ETH_GSTRING_LEN;
925                 snprintf(buff, ETH_GSTRING_LEN, "tx_errors");
926                 buff = buff + ETH_GSTRING_LEN;
927                 snprintf(buff, ETH_GSTRING_LEN, "rx_dropped");
928                 buff = buff + ETH_GSTRING_LEN;
929                 snprintf(buff, ETH_GSTRING_LEN, "tx_dropped");
930                 buff = buff + ETH_GSTRING_LEN;
931                 snprintf(buff, ETH_GSTRING_LEN, "multicast");
932                 buff = buff + ETH_GSTRING_LEN;
933                 snprintf(buff, ETH_GSTRING_LEN, "collisions");
934                 buff = buff + ETH_GSTRING_LEN;
935                 snprintf(buff, ETH_GSTRING_LEN, "rx_over_errors");
936                 buff = buff + ETH_GSTRING_LEN;
937                 snprintf(buff, ETH_GSTRING_LEN, "rx_crc_errors");
938                 buff = buff + ETH_GSTRING_LEN;
939                 snprintf(buff, ETH_GSTRING_LEN, "rx_frame_errors");
940                 buff = buff + ETH_GSTRING_LEN;
941                 snprintf(buff, ETH_GSTRING_LEN, "rx_fifo_errors");
942                 buff = buff + ETH_GSTRING_LEN;
943                 snprintf(buff, ETH_GSTRING_LEN, "rx_missed_errors");
944                 buff = buff + ETH_GSTRING_LEN;
945                 snprintf(buff, ETH_GSTRING_LEN, "tx_aborted_errors");
946                 buff = buff + ETH_GSTRING_LEN;
947                 snprintf(buff, ETH_GSTRING_LEN, "tx_carrier_errors");
948                 buff = buff + ETH_GSTRING_LEN;
949                 snprintf(buff, ETH_GSTRING_LEN, "tx_fifo_errors");
950                 buff = buff + ETH_GSTRING_LEN;
951                 snprintf(buff, ETH_GSTRING_LEN, "tx_heartbeat_errors");
952                 buff = buff + ETH_GSTRING_LEN;
953                 snprintf(buff, ETH_GSTRING_LEN, "rx_length_errors");
954                 buff = buff + ETH_GSTRING_LEN;
955                 snprintf(buff, ETH_GSTRING_LEN, "tx_window_errors");
956                 buff = buff + ETH_GSTRING_LEN;
957                 snprintf(buff, ETH_GSTRING_LEN, "rx_compressed");
958                 buff = buff + ETH_GSTRING_LEN;
959                 snprintf(buff, ETH_GSTRING_LEN, "tx_compressed");
960                 buff = buff + ETH_GSTRING_LEN;
961                 snprintf(buff, ETH_GSTRING_LEN, "netdev_rx_dropped");
962                 buff = buff + ETH_GSTRING_LEN;
963                 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_dropped");
964                 buff = buff + ETH_GSTRING_LEN;
965
966                 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_timeout");
967                 buff = buff + ETH_GSTRING_LEN;
968
969                 h->dev->ops->get_strings(h, stringset, (u8 *)buff);
970         }
971 }
972
973 /**
974  * nic_get_sset_count - get string set count witch returned by nic_get_strings.
975  * @dev: net device
976  * @stringset: string set index, 0: self test string; 1: statistics string.
977  *
978  * Return string set count.
979  */
980 static int hns_get_sset_count(struct net_device *netdev, int stringset)
981 {
982         struct hns_nic_priv *priv = netdev_priv(netdev);
983         struct hnae_handle *h = priv->ae_handle;
984         struct hnae_ae_ops *ops = h->dev->ops;
985
986         if (!ops->get_sset_count) {
987                 netdev_err(netdev, "get_sset_count is null!\n");
988                 return -EOPNOTSUPP;
989         }
990         if (stringset == ETH_SS_TEST) {
991                 u32 cnt = (sizeof(hns_nic_test_strs) / ETH_GSTRING_LEN);
992
993                 if (priv->ae_handle->phy_if == PHY_INTERFACE_MODE_XGMII)
994                         cnt--;
995
996                 if ((!netdev->phydev) || (netdev->phydev->is_c45))
997                         cnt--;
998
999                 return cnt;
1000         } else if (stringset == ETH_SS_STATS) {
1001                 return (HNS_NET_STATS_CNT + ops->get_sset_count(h, stringset));
1002         } else {
1003                 return -EOPNOTSUPP;
1004         }
1005 }
1006
1007 /**
1008  * hns_phy_led_set - set phy LED status.
1009  * @dev: net device
1010  * @value: LED state.
1011  *
1012  * Return 0 on success, negative on failure.
1013  */
1014 static int hns_phy_led_set(struct net_device *netdev, int value)
1015 {
1016         int retval;
1017         struct phy_device *phy_dev = netdev->phydev;
1018
1019         retval = phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_LED);
1020         retval |= phy_write(phy_dev, HNS_LED_FC_REG, value);
1021         retval |= phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
1022         if (retval) {
1023                 netdev_err(netdev, "mdiobus_write fail !\n");
1024                 return retval;
1025         }
1026         return 0;
1027 }
1028
1029 /**
1030  * nic_set_phys_id - set phy identify LED.
1031  * @dev: net device
1032  * @state: LED state.
1033  *
1034  * Return 0 on success, negative on failure.
1035  */
1036 static int
1037 hns_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
1038 {
1039         struct hns_nic_priv *priv = netdev_priv(netdev);
1040         struct hnae_handle *h = priv->ae_handle;
1041         struct phy_device *phy_dev = netdev->phydev;
1042         int ret;
1043
1044         if (phy_dev)
1045                 switch (state) {
1046                 case ETHTOOL_ID_ACTIVE:
1047                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1048                                         HNS_PHY_PAGE_LED);
1049                         if (ret)
1050                                 return ret;
1051
1052                         priv->phy_led_val = phy_read(phy_dev, HNS_LED_FC_REG);
1053
1054                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1055                                         HNS_PHY_PAGE_COPPER);
1056                         if (ret)
1057                                 return ret;
1058                         return 2;
1059                 case ETHTOOL_ID_ON:
1060                         ret = hns_phy_led_set(netdev, HNS_LED_FORCE_ON);
1061                         if (ret)
1062                                 return ret;
1063                         break;
1064                 case ETHTOOL_ID_OFF:
1065                         ret = hns_phy_led_set(netdev, HNS_LED_FORCE_OFF);
1066                         if (ret)
1067                                 return ret;
1068                         break;
1069                 case ETHTOOL_ID_INACTIVE:
1070                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1071                                         HNS_PHY_PAGE_LED);
1072                         if (ret)
1073                                 return ret;
1074
1075                         ret = phy_write(phy_dev, HNS_LED_FC_REG,
1076                                         priv->phy_led_val);
1077                         if (ret)
1078                                 return ret;
1079
1080                         ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1081                                         HNS_PHY_PAGE_COPPER);
1082                         if (ret)
1083                                 return ret;
1084                         break;
1085                 default:
1086                         return -EINVAL;
1087                 }
1088         else
1089                 switch (state) {
1090                 case ETHTOOL_ID_ACTIVE:
1091                         return h->dev->ops->set_led_id(h, HNAE_LED_ACTIVE);
1092                 case ETHTOOL_ID_ON:
1093                         return h->dev->ops->set_led_id(h, HNAE_LED_ON);
1094                 case ETHTOOL_ID_OFF:
1095                         return h->dev->ops->set_led_id(h, HNAE_LED_OFF);
1096                 case ETHTOOL_ID_INACTIVE:
1097                         return h->dev->ops->set_led_id(h, HNAE_LED_INACTIVE);
1098                 default:
1099                         return -EINVAL;
1100                 }
1101
1102         return 0;
1103 }
1104
1105 /**
1106  * hns_get_regs - get net device register
1107  * @dev: net device
1108  * @cmd: ethtool cmd
1109  * @date: register data
1110  */
1111 static void hns_get_regs(struct net_device *net_dev, struct ethtool_regs *cmd,
1112                          void *data)
1113 {
1114         struct hns_nic_priv *priv = netdev_priv(net_dev);
1115         struct hnae_ae_ops *ops;
1116
1117         ops = priv->ae_handle->dev->ops;
1118
1119         cmd->version = HNS_CHIP_VERSION;
1120         if (!ops->get_regs) {
1121                 netdev_err(net_dev, "ops->get_regs is null!\n");
1122                 return;
1123         }
1124         ops->get_regs(priv->ae_handle, data);
1125 }
1126
1127 /**
1128  * nic_get_regs_len - get total register len.
1129  * @dev: net device
1130  *
1131  * Return total register len.
1132  */
1133 static int hns_get_regs_len(struct net_device *net_dev)
1134 {
1135         u32 reg_num;
1136         struct hns_nic_priv *priv = netdev_priv(net_dev);
1137         struct hnae_ae_ops *ops;
1138
1139         ops = priv->ae_handle->dev->ops;
1140         if (!ops->get_regs_len) {
1141                 netdev_err(net_dev, "ops->get_regs_len is null!\n");
1142                 return -EOPNOTSUPP;
1143         }
1144
1145         reg_num = ops->get_regs_len(priv->ae_handle);
1146         if (reg_num > 0)
1147                 return reg_num * sizeof(u32);
1148         else
1149                 return reg_num; /* error code */
1150 }
1151
1152 /**
1153  * hns_nic_nway_reset - nway reset
1154  * @dev: net device
1155  *
1156  * Return 0 on success, negative on failure
1157  */
1158 static int hns_nic_nway_reset(struct net_device *netdev)
1159 {
1160         struct phy_device *phy = netdev->phydev;
1161
1162         if (!netif_running(netdev))
1163                 return 0;
1164
1165         if (!phy)
1166                 return -EOPNOTSUPP;
1167
1168         if (phy->autoneg != AUTONEG_ENABLE)
1169                 return -EINVAL;
1170
1171         return genphy_restart_aneg(phy);
1172 }
1173
1174 static u32
1175 hns_get_rss_key_size(struct net_device *netdev)
1176 {
1177         struct hns_nic_priv *priv = netdev_priv(netdev);
1178         struct hnae_ae_ops *ops;
1179
1180         if (AE_IS_VER1(priv->enet_ver)) {
1181                 netdev_err(netdev,
1182                            "RSS feature is not supported on this hardware\n");
1183                 return 0;
1184         }
1185
1186         ops = priv->ae_handle->dev->ops;
1187         return ops->get_rss_key_size(priv->ae_handle);
1188 }
1189
1190 static u32
1191 hns_get_rss_indir_size(struct net_device *netdev)
1192 {
1193         struct hns_nic_priv *priv = netdev_priv(netdev);
1194         struct hnae_ae_ops *ops;
1195
1196         if (AE_IS_VER1(priv->enet_ver)) {
1197                 netdev_err(netdev,
1198                            "RSS feature is not supported on this hardware\n");
1199                 return 0;
1200         }
1201
1202         ops = priv->ae_handle->dev->ops;
1203         return ops->get_rss_indir_size(priv->ae_handle);
1204 }
1205
1206 static int
1207 hns_get_rss(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
1208 {
1209         struct hns_nic_priv *priv = netdev_priv(netdev);
1210         struct hnae_ae_ops *ops;
1211
1212         if (AE_IS_VER1(priv->enet_ver)) {
1213                 netdev_err(netdev,
1214                            "RSS feature is not supported on this hardware\n");
1215                 return -EOPNOTSUPP;
1216         }
1217
1218         ops = priv->ae_handle->dev->ops;
1219
1220         if (!indir)
1221                 return 0;
1222
1223         return ops->get_rss(priv->ae_handle, indir, key, hfunc);
1224 }
1225
1226 static int
1227 hns_set_rss(struct net_device *netdev, const u32 *indir, const u8 *key,
1228             const u8 hfunc)
1229 {
1230         struct hns_nic_priv *priv = netdev_priv(netdev);
1231         struct hnae_ae_ops *ops;
1232
1233         if (AE_IS_VER1(priv->enet_ver)) {
1234                 netdev_err(netdev,
1235                            "RSS feature is not supported on this hardware\n");
1236                 return -EOPNOTSUPP;
1237         }
1238
1239         ops = priv->ae_handle->dev->ops;
1240
1241         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) {
1242                 netdev_err(netdev, "Invalid hfunc!\n");
1243                 return -EOPNOTSUPP;
1244         }
1245
1246         return ops->set_rss(priv->ae_handle, indir, key, hfunc);
1247 }
1248
1249 static int hns_get_rxnfc(struct net_device *netdev,
1250                          struct ethtool_rxnfc *cmd,
1251                          u32 *rule_locs)
1252 {
1253         struct hns_nic_priv *priv = netdev_priv(netdev);
1254
1255         switch (cmd->cmd) {
1256         case ETHTOOL_GRXRINGS:
1257                 cmd->data = priv->ae_handle->q_num;
1258                 break;
1259         default:
1260                 return -EOPNOTSUPP;
1261         }
1262
1263         return 0;
1264 }
1265
1266 static const struct ethtool_ops hns_ethtool_ops = {
1267         .get_drvinfo = hns_nic_get_drvinfo,
1268         .get_link  = hns_nic_get_link,
1269         .get_ringparam = hns_get_ringparam,
1270         .get_pauseparam = hns_get_pauseparam,
1271         .set_pauseparam = hns_set_pauseparam,
1272         .get_coalesce = hns_get_coalesce,
1273         .set_coalesce = hns_set_coalesce,
1274         .get_channels = hns_get_channels,
1275         .self_test = hns_nic_self_test,
1276         .get_strings = hns_get_strings,
1277         .get_sset_count = hns_get_sset_count,
1278         .get_ethtool_stats = hns_get_ethtool_stats,
1279         .set_phys_id = hns_set_phys_id,
1280         .get_regs_len = hns_get_regs_len,
1281         .get_regs = hns_get_regs,
1282         .nway_reset = hns_nic_nway_reset,
1283         .get_rxfh_key_size = hns_get_rss_key_size,
1284         .get_rxfh_indir_size = hns_get_rss_indir_size,
1285         .get_rxfh = hns_get_rss,
1286         .set_rxfh = hns_set_rss,
1287         .get_rxnfc = hns_get_rxnfc,
1288         .get_link_ksettings  = hns_nic_get_link_ksettings,
1289         .set_link_ksettings  = hns_nic_set_link_ksettings,
1290 };
1291
1292 void hns_ethtool_set_ops(struct net_device *ndev)
1293 {
1294         ndev->ethtool_ops = &hns_ethtool_ops;
1295 }