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