xref: /openbmc/linux/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c (revision d4a96be65423296e42091b0b79973b8d446e7798)
1 // SPDX-License-Identifier: GPL-2.0+
2 // Copyright (c) 2016-2017 Hisilicon Limited.
3 
4 #include <linux/etherdevice.h>
5 #include <linux/string.h>
6 #include <linux/phy.h>
7 #include <linux/sfp.h>
8 
9 #include "hns3_enet.h"
10 
11 struct hns3_stats {
12 	char stats_string[ETH_GSTRING_LEN];
13 	int stats_offset;
14 };
15 
16 struct hns3_sfp_type {
17 	u8 type;
18 	u8 ext_type;
19 };
20 
21 struct hns3_pflag_desc {
22 	char name[ETH_GSTRING_LEN];
23 	void (*handler)(struct net_device *netdev, bool enable);
24 };
25 
26 /* tqp related stats */
27 #define HNS3_TQP_STAT(_string, _member)	{			\
28 	.stats_string = _string,				\
29 	.stats_offset = offsetof(struct hns3_enet_ring, stats) +\
30 			offsetof(struct ring_stats, _member),   \
31 }
32 
33 static const struct hns3_stats hns3_txq_stats[] = {
34 	/* Tx per-queue statistics */
35 	HNS3_TQP_STAT("dropped", sw_err_cnt),
36 	HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt),
37 	HNS3_TQP_STAT("packets", tx_pkts),
38 	HNS3_TQP_STAT("bytes", tx_bytes),
39 	HNS3_TQP_STAT("more", tx_more),
40 	HNS3_TQP_STAT("wake", restart_queue),
41 	HNS3_TQP_STAT("busy", tx_busy),
42 	HNS3_TQP_STAT("copy", tx_copy),
43 	HNS3_TQP_STAT("vlan_err", tx_vlan_err),
44 	HNS3_TQP_STAT("l4_proto_err", tx_l4_proto_err),
45 	HNS3_TQP_STAT("l2l3l4_err", tx_l2l3l4_err),
46 	HNS3_TQP_STAT("tso_err", tx_tso_err),
47 };
48 
49 #define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats)
50 
51 static const struct hns3_stats hns3_rxq_stats[] = {
52 	/* Rx per-queue statistics */
53 	HNS3_TQP_STAT("dropped", sw_err_cnt),
54 	HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt),
55 	HNS3_TQP_STAT("packets", rx_pkts),
56 	HNS3_TQP_STAT("bytes", rx_bytes),
57 	HNS3_TQP_STAT("errors", rx_err_cnt),
58 	HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt),
59 	HNS3_TQP_STAT("err_pkt_len", err_pkt_len),
60 	HNS3_TQP_STAT("err_bd_num", err_bd_num),
61 	HNS3_TQP_STAT("l2_err", l2_err),
62 	HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err),
63 	HNS3_TQP_STAT("csum_complete", csum_complete),
64 	HNS3_TQP_STAT("multicast", rx_multicast),
65 	HNS3_TQP_STAT("non_reuse_pg", non_reuse_pg),
66 };
67 
68 #define HNS3_PRIV_FLAGS_LEN ARRAY_SIZE(hns3_priv_flags)
69 
70 #define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats)
71 
72 #define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT)
73 
74 #define HNS3_SELF_TEST_TYPE_NUM         4
75 #define HNS3_NIC_LB_TEST_PKT_NUM	1
76 #define HNS3_NIC_LB_TEST_RING_ID	0
77 #define HNS3_NIC_LB_TEST_PACKET_SIZE	128
78 #define HNS3_NIC_LB_SETUP_USEC		10000
79 
80 /* Nic loopback test err  */
81 #define HNS3_NIC_LB_TEST_NO_MEM_ERR	1
82 #define HNS3_NIC_LB_TEST_TX_CNT_ERR	2
83 #define HNS3_NIC_LB_TEST_RX_CNT_ERR	3
84 
85 static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en)
86 {
87 	struct hnae3_handle *h = hns3_get_handle(ndev);
88 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
89 	bool vlan_filter_enable;
90 	int ret;
91 
92 	if (!h->ae_algo->ops->set_loopback ||
93 	    !h->ae_algo->ops->set_promisc_mode)
94 		return -EOPNOTSUPP;
95 
96 	switch (loop) {
97 	case HNAE3_LOOP_SERIAL_SERDES:
98 	case HNAE3_LOOP_PARALLEL_SERDES:
99 	case HNAE3_LOOP_APP:
100 	case HNAE3_LOOP_PHY:
101 		ret = h->ae_algo->ops->set_loopback(h, loop, en);
102 		break;
103 	default:
104 		ret = -ENOTSUPP;
105 		break;
106 	}
107 
108 	if (ret || ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2)
109 		return ret;
110 
111 	if (en) {
112 		h->ae_algo->ops->set_promisc_mode(h, true, true);
113 	} else {
114 		/* recover promisc mode before loopback test */
115 		hns3_request_update_promisc_mode(h);
116 		vlan_filter_enable = ndev->flags & IFF_PROMISC ? false : true;
117 		hns3_enable_vlan_filter(ndev, vlan_filter_enable);
118 	}
119 
120 	return ret;
121 }
122 
123 static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode)
124 {
125 	struct hnae3_handle *h = hns3_get_handle(ndev);
126 	int ret;
127 
128 	ret = hns3_nic_reset_all_ring(h);
129 	if (ret)
130 		return ret;
131 
132 	ret = hns3_lp_setup(ndev, loop_mode, true);
133 	usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2);
134 
135 	return ret;
136 }
137 
138 static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode)
139 {
140 	int ret;
141 
142 	ret = hns3_lp_setup(ndev, loop_mode, false);
143 	if (ret) {
144 		netdev_err(ndev, "lb_setup return error: %d\n", ret);
145 		return ret;
146 	}
147 
148 	usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2);
149 
150 	return 0;
151 }
152 
153 static void hns3_lp_setup_skb(struct sk_buff *skb)
154 {
155 #define	HNS3_NIC_LB_DST_MAC_ADDR	0x1f
156 
157 	struct net_device *ndev = skb->dev;
158 	struct hnae3_handle *handle;
159 	struct hnae3_ae_dev *ae_dev;
160 	unsigned char *packet;
161 	struct ethhdr *ethh;
162 	unsigned int i;
163 
164 	skb_reserve(skb, NET_IP_ALIGN);
165 	ethh = skb_put(skb, sizeof(struct ethhdr));
166 	packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE);
167 
168 	memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN);
169 
170 	/* The dst mac addr of loopback packet is the same as the host'
171 	 * mac addr, the SSU component may loop back the packet to host
172 	 * before the packet reaches mac or serdes, which will defect
173 	 * the purpose of mac or serdes selftest.
174 	 */
175 	handle = hns3_get_handle(ndev);
176 	ae_dev = pci_get_drvdata(handle->pdev);
177 	if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
178 		ethh->h_dest[5] += HNS3_NIC_LB_DST_MAC_ADDR;
179 	eth_zero_addr(ethh->h_source);
180 	ethh->h_proto = htons(ETH_P_ARP);
181 	skb_reset_mac_header(skb);
182 
183 	for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++)
184 		packet[i] = (unsigned char)(i & 0xff);
185 }
186 
187 static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring,
188 				   struct sk_buff *skb)
189 {
190 	struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector;
191 	unsigned char *packet = skb->data;
192 	u32 len = skb_headlen(skb);
193 	u32 i;
194 
195 	len = min_t(u32, len, HNS3_NIC_LB_TEST_PACKET_SIZE);
196 
197 	for (i = 0; i < len; i++)
198 		if (packet[i] != (unsigned char)(i & 0xff))
199 			break;
200 
201 	/* The packet is correctly received */
202 	if (i == HNS3_NIC_LB_TEST_PACKET_SIZE)
203 		tqp_vector->rx_group.total_packets++;
204 	else
205 		print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1,
206 			       skb->data, len, true);
207 
208 	dev_kfree_skb_any(skb);
209 }
210 
211 static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget)
212 {
213 	struct hnae3_handle *h = priv->ae_handle;
214 	struct hnae3_knic_private_info *kinfo;
215 	u32 i, rcv_good_pkt_total = 0;
216 
217 	kinfo = &h->kinfo;
218 	for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) {
219 		struct hns3_enet_ring *ring = &priv->ring[i];
220 		struct hns3_enet_ring_group *rx_group;
221 		u64 pre_rx_pkt;
222 
223 		rx_group = &ring->tqp_vector->rx_group;
224 		pre_rx_pkt = rx_group->total_packets;
225 
226 		preempt_disable();
227 		hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data);
228 		preempt_enable();
229 
230 		rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt);
231 		rx_group->total_packets = pre_rx_pkt;
232 	}
233 	return rcv_good_pkt_total;
234 }
235 
236 static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid,
237 				  u32 end_ringid, u32 budget)
238 {
239 	u32 i;
240 
241 	for (i = start_ringid; i <= end_ringid; i++) {
242 		struct hns3_enet_ring *ring = &priv->ring[i];
243 
244 		hns3_clean_tx_ring(ring, 0);
245 	}
246 }
247 
248 /**
249  * hns3_lp_run_test -  run loopback test
250  * @ndev: net device
251  * @mode: loopback type
252  */
253 static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode)
254 {
255 	struct hns3_nic_priv *priv = netdev_priv(ndev);
256 	struct sk_buff *skb;
257 	u32 i, good_cnt;
258 	int ret_val = 0;
259 
260 	skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN,
261 			GFP_KERNEL);
262 	if (!skb)
263 		return HNS3_NIC_LB_TEST_NO_MEM_ERR;
264 
265 	skb->dev = ndev;
266 	hns3_lp_setup_skb(skb);
267 	skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID;
268 
269 	good_cnt = 0;
270 	for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) {
271 		netdev_tx_t tx_ret;
272 
273 		skb_get(skb);
274 		tx_ret = hns3_nic_net_xmit(skb, ndev);
275 		if (tx_ret == NETDEV_TX_OK) {
276 			good_cnt++;
277 		} else {
278 			kfree_skb(skb);
279 			netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n",
280 				   tx_ret);
281 		}
282 	}
283 	if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
284 		ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR;
285 		netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n",
286 			   mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
287 		goto out;
288 	}
289 
290 	/* Allow 200 milliseconds for packets to go from Tx to Rx */
291 	msleep(200);
292 
293 	good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM);
294 	if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
295 		ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR;
296 		netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n",
297 			   mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
298 	}
299 
300 out:
301 	hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID,
302 			      HNS3_NIC_LB_TEST_RING_ID,
303 			      HNS3_NIC_LB_TEST_PKT_NUM);
304 
305 	kfree_skb(skb);
306 	return ret_val;
307 }
308 
309 /**
310  * hns3_nic_self_test - self test
311  * @ndev: net device
312  * @eth_test: test cmd
313  * @data: test result
314  */
315 static void hns3_self_test(struct net_device *ndev,
316 			   struct ethtool_test *eth_test, u64 *data)
317 {
318 	struct hns3_nic_priv *priv = netdev_priv(ndev);
319 	struct hnae3_handle *h = priv->ae_handle;
320 	int st_param[HNS3_SELF_TEST_TYPE_NUM][2];
321 	bool if_running = netif_running(ndev);
322 	int test_index = 0;
323 	u32 i;
324 
325 	if (hns3_nic_resetting(ndev)) {
326 		netdev_err(ndev, "dev resetting!");
327 		return;
328 	}
329 
330 	/* Only do offline selftest, or pass by default */
331 	if (eth_test->flags != ETH_TEST_FL_OFFLINE)
332 		return;
333 
334 	netif_dbg(h, drv, ndev, "self test start");
335 
336 	st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP;
337 	st_param[HNAE3_LOOP_APP][1] =
338 			h->flags & HNAE3_SUPPORT_APP_LOOPBACK;
339 
340 	st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES;
341 	st_param[HNAE3_LOOP_SERIAL_SERDES][1] =
342 			h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK;
343 
344 	st_param[HNAE3_LOOP_PARALLEL_SERDES][0] =
345 			HNAE3_LOOP_PARALLEL_SERDES;
346 	st_param[HNAE3_LOOP_PARALLEL_SERDES][1] =
347 			h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK;
348 
349 	st_param[HNAE3_LOOP_PHY][0] = HNAE3_LOOP_PHY;
350 	st_param[HNAE3_LOOP_PHY][1] =
351 			h->flags & HNAE3_SUPPORT_PHY_LOOPBACK;
352 
353 	if (if_running)
354 		ndev->netdev_ops->ndo_stop(ndev);
355 
356 #if IS_ENABLED(CONFIG_VLAN_8021Q)
357 	/* Disable the vlan filter for selftest does not support it */
358 	if (h->ae_algo->ops->enable_vlan_filter)
359 		h->ae_algo->ops->enable_vlan_filter(h, false);
360 #endif
361 
362 	/* Tell firmware to stop mac autoneg before loopback test start,
363 	 * otherwise loopback test may be failed when the port is still
364 	 * negotiating.
365 	 */
366 	if (h->ae_algo->ops->halt_autoneg)
367 		h->ae_algo->ops->halt_autoneg(h, true);
368 
369 	set_bit(HNS3_NIC_STATE_TESTING, &priv->state);
370 
371 	for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) {
372 		enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0];
373 
374 		if (!st_param[i][1])
375 			continue;
376 
377 		data[test_index] = hns3_lp_up(ndev, loop_type);
378 		if (!data[test_index])
379 			data[test_index] = hns3_lp_run_test(ndev, loop_type);
380 
381 		hns3_lp_down(ndev, loop_type);
382 
383 		if (data[test_index])
384 			eth_test->flags |= ETH_TEST_FL_FAILED;
385 
386 		test_index++;
387 	}
388 
389 	clear_bit(HNS3_NIC_STATE_TESTING, &priv->state);
390 
391 	if (h->ae_algo->ops->halt_autoneg)
392 		h->ae_algo->ops->halt_autoneg(h, false);
393 
394 #if IS_ENABLED(CONFIG_VLAN_8021Q)
395 	if (h->ae_algo->ops->enable_vlan_filter)
396 		h->ae_algo->ops->enable_vlan_filter(h, true);
397 #endif
398 
399 	if (if_running)
400 		ndev->netdev_ops->ndo_open(ndev);
401 
402 	netif_dbg(h, drv, ndev, "self test end\n");
403 }
404 
405 static void hns3_update_limit_promisc_mode(struct net_device *netdev,
406 					   bool enable)
407 {
408 	struct hnae3_handle *handle = hns3_get_handle(netdev);
409 
410 	if (enable)
411 		set_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags);
412 	else
413 		clear_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags);
414 
415 	hns3_request_update_promisc_mode(handle);
416 }
417 
418 static const struct hns3_pflag_desc hns3_priv_flags[HNAE3_PFLAG_MAX] = {
419 	{ "limit_promisc",	hns3_update_limit_promisc_mode }
420 };
421 
422 static int hns3_get_sset_count(struct net_device *netdev, int stringset)
423 {
424 	struct hnae3_handle *h = hns3_get_handle(netdev);
425 	const struct hnae3_ae_ops *ops = h->ae_algo->ops;
426 
427 	if (!ops->get_sset_count)
428 		return -EOPNOTSUPP;
429 
430 	switch (stringset) {
431 	case ETH_SS_STATS:
432 		return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) +
433 			ops->get_sset_count(h, stringset));
434 
435 	case ETH_SS_TEST:
436 		return ops->get_sset_count(h, stringset);
437 
438 	case ETH_SS_PRIV_FLAGS:
439 		return HNAE3_PFLAG_MAX;
440 
441 	default:
442 		return -EOPNOTSUPP;
443 	}
444 }
445 
446 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats,
447 		u32 stat_count, u32 num_tqps, const char *prefix)
448 {
449 #define MAX_PREFIX_SIZE (6 + 4)
450 	u32 size_left;
451 	u32 i, j;
452 	u32 n1;
453 
454 	for (i = 0; i < num_tqps; i++) {
455 		for (j = 0; j < stat_count; j++) {
456 			data[ETH_GSTRING_LEN - 1] = '\0';
457 
458 			/* first, prepend the prefix string */
459 			n1 = scnprintf(data, MAX_PREFIX_SIZE, "%s%u_",
460 				       prefix, i);
461 			size_left = (ETH_GSTRING_LEN - 1) - n1;
462 
463 			/* now, concatenate the stats string to it */
464 			strncat(data, stats[j].stats_string, size_left);
465 			data += ETH_GSTRING_LEN;
466 		}
467 	}
468 
469 	return data;
470 }
471 
472 static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data)
473 {
474 	struct hnae3_knic_private_info *kinfo = &handle->kinfo;
475 	const char tx_prefix[] = "txq";
476 	const char rx_prefix[] = "rxq";
477 
478 	/* get strings for Tx */
479 	data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT,
480 				   kinfo->num_tqps, tx_prefix);
481 
482 	/* get strings for Rx */
483 	data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT,
484 				   kinfo->num_tqps, rx_prefix);
485 
486 	return data;
487 }
488 
489 static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
490 {
491 	struct hnae3_handle *h = hns3_get_handle(netdev);
492 	const struct hnae3_ae_ops *ops = h->ae_algo->ops;
493 	char *buff = (char *)data;
494 	int i;
495 
496 	if (!ops->get_strings)
497 		return;
498 
499 	switch (stringset) {
500 	case ETH_SS_STATS:
501 		buff = hns3_get_strings_tqps(h, buff);
502 		ops->get_strings(h, stringset, (u8 *)buff);
503 		break;
504 	case ETH_SS_TEST:
505 		ops->get_strings(h, stringset, data);
506 		break;
507 	case ETH_SS_PRIV_FLAGS:
508 		for (i = 0; i < HNS3_PRIV_FLAGS_LEN; i++) {
509 			snprintf(buff, ETH_GSTRING_LEN, "%s",
510 				 hns3_priv_flags[i].name);
511 			buff += ETH_GSTRING_LEN;
512 		}
513 		break;
514 	default:
515 		break;
516 	}
517 }
518 
519 static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data)
520 {
521 	struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv;
522 	struct hnae3_knic_private_info *kinfo = &handle->kinfo;
523 	struct hns3_enet_ring *ring;
524 	u8 *stat;
525 	int i, j;
526 
527 	/* get stats for Tx */
528 	for (i = 0; i < kinfo->num_tqps; i++) {
529 		ring = &nic_priv->ring[i];
530 		for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) {
531 			stat = (u8 *)ring + hns3_txq_stats[j].stats_offset;
532 			*data++ = *(u64 *)stat;
533 		}
534 	}
535 
536 	/* get stats for Rx */
537 	for (i = 0; i < kinfo->num_tqps; i++) {
538 		ring = &nic_priv->ring[i + kinfo->num_tqps];
539 		for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) {
540 			stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset;
541 			*data++ = *(u64 *)stat;
542 		}
543 	}
544 
545 	return data;
546 }
547 
548 /* hns3_get_stats - get detail statistics.
549  * @netdev: net device
550  * @stats: statistics info.
551  * @data: statistics data.
552  */
553 static void hns3_get_stats(struct net_device *netdev,
554 			   struct ethtool_stats *stats, u64 *data)
555 {
556 	struct hnae3_handle *h = hns3_get_handle(netdev);
557 	u64 *p = data;
558 
559 	if (hns3_nic_resetting(netdev)) {
560 		netdev_err(netdev, "dev resetting, could not get stats\n");
561 		return;
562 	}
563 
564 	if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) {
565 		netdev_err(netdev, "could not get any statistics\n");
566 		return;
567 	}
568 
569 	h->ae_algo->ops->update_stats(h, &netdev->stats);
570 
571 	/* get per-queue stats */
572 	p = hns3_get_stats_tqps(h, p);
573 
574 	/* get MAC & other misc hardware stats */
575 	h->ae_algo->ops->get_stats(h, p);
576 }
577 
578 static void hns3_get_drvinfo(struct net_device *netdev,
579 			     struct ethtool_drvinfo *drvinfo)
580 {
581 	struct hns3_nic_priv *priv = netdev_priv(netdev);
582 	struct hnae3_handle *h = priv->ae_handle;
583 	u32 fw_version;
584 
585 	if (!h->ae_algo->ops->get_fw_version) {
586 		netdev_err(netdev, "could not get fw version!\n");
587 		return;
588 	}
589 
590 	strncpy(drvinfo->driver, h->pdev->driver->name,
591 		sizeof(drvinfo->driver));
592 	drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
593 
594 	strncpy(drvinfo->bus_info, pci_name(h->pdev),
595 		sizeof(drvinfo->bus_info));
596 	drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
597 
598 	fw_version = priv->ae_handle->ae_algo->ops->get_fw_version(h);
599 
600 	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
601 		 "%lu.%lu.%lu.%lu",
602 		 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE3_MASK,
603 				 HNAE3_FW_VERSION_BYTE3_SHIFT),
604 		 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE2_MASK,
605 				 HNAE3_FW_VERSION_BYTE2_SHIFT),
606 		 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE1_MASK,
607 				 HNAE3_FW_VERSION_BYTE1_SHIFT),
608 		 hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE0_MASK,
609 				 HNAE3_FW_VERSION_BYTE0_SHIFT));
610 }
611 
612 static u32 hns3_get_link(struct net_device *netdev)
613 {
614 	struct hnae3_handle *h = hns3_get_handle(netdev);
615 
616 	if (h->ae_algo->ops->get_status)
617 		return h->ae_algo->ops->get_status(h);
618 	else
619 		return 0;
620 }
621 
622 static void hns3_get_ringparam(struct net_device *netdev,
623 			       struct ethtool_ringparam *param)
624 {
625 	struct hns3_nic_priv *priv = netdev_priv(netdev);
626 	struct hnae3_handle *h = priv->ae_handle;
627 	int queue_num = h->kinfo.num_tqps;
628 
629 	if (hns3_nic_resetting(netdev)) {
630 		netdev_err(netdev, "dev resetting!");
631 		return;
632 	}
633 
634 	param->tx_max_pending = HNS3_RING_MAX_PENDING;
635 	param->rx_max_pending = HNS3_RING_MAX_PENDING;
636 
637 	param->tx_pending = priv->ring[0].desc_num;
638 	param->rx_pending = priv->ring[queue_num].desc_num;
639 }
640 
641 static void hns3_get_pauseparam(struct net_device *netdev,
642 				struct ethtool_pauseparam *param)
643 {
644 	struct hnae3_handle *h = hns3_get_handle(netdev);
645 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
646 
647 	if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
648 		return;
649 
650 	if (h->ae_algo->ops->get_pauseparam)
651 		h->ae_algo->ops->get_pauseparam(h, &param->autoneg,
652 			&param->rx_pause, &param->tx_pause);
653 }
654 
655 static int hns3_set_pauseparam(struct net_device *netdev,
656 			       struct ethtool_pauseparam *param)
657 {
658 	struct hnae3_handle *h = hns3_get_handle(netdev);
659 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
660 
661 	if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
662 		return -EOPNOTSUPP;
663 
664 	netif_dbg(h, drv, netdev,
665 		  "set pauseparam: autoneg=%u, rx:%u, tx:%u\n",
666 		  param->autoneg, param->rx_pause, param->tx_pause);
667 
668 	if (h->ae_algo->ops->set_pauseparam)
669 		return h->ae_algo->ops->set_pauseparam(h, param->autoneg,
670 						       param->rx_pause,
671 						       param->tx_pause);
672 	return -EOPNOTSUPP;
673 }
674 
675 static void hns3_get_ksettings(struct hnae3_handle *h,
676 			       struct ethtool_link_ksettings *cmd)
677 {
678 	const struct hnae3_ae_ops *ops = h->ae_algo->ops;
679 
680 	/* 1.auto_neg & speed & duplex from cmd */
681 	if (ops->get_ksettings_an_result)
682 		ops->get_ksettings_an_result(h,
683 					     &cmd->base.autoneg,
684 					     &cmd->base.speed,
685 					     &cmd->base.duplex);
686 
687 	/* 2.get link mode */
688 	if (ops->get_link_mode)
689 		ops->get_link_mode(h,
690 				   cmd->link_modes.supported,
691 				   cmd->link_modes.advertising);
692 
693 	/* 3.mdix_ctrl&mdix get from phy reg */
694 	if (ops->get_mdix_mode)
695 		ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl,
696 				   &cmd->base.eth_tp_mdix);
697 }
698 
699 static int hns3_get_link_ksettings(struct net_device *netdev,
700 				   struct ethtool_link_ksettings *cmd)
701 {
702 	struct hnae3_handle *h = hns3_get_handle(netdev);
703 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
704 	const struct hnae3_ae_ops *ops;
705 	u8 module_type;
706 	u8 media_type;
707 	u8 link_stat;
708 
709 	ops = h->ae_algo->ops;
710 	if (ops->get_media_type)
711 		ops->get_media_type(h, &media_type, &module_type);
712 	else
713 		return -EOPNOTSUPP;
714 
715 	switch (media_type) {
716 	case HNAE3_MEDIA_TYPE_NONE:
717 		cmd->base.port = PORT_NONE;
718 		hns3_get_ksettings(h, cmd);
719 		break;
720 	case HNAE3_MEDIA_TYPE_FIBER:
721 		if (module_type == HNAE3_MODULE_TYPE_CR)
722 			cmd->base.port = PORT_DA;
723 		else
724 			cmd->base.port = PORT_FIBRE;
725 
726 		hns3_get_ksettings(h, cmd);
727 		break;
728 	case HNAE3_MEDIA_TYPE_BACKPLANE:
729 		cmd->base.port = PORT_NONE;
730 		hns3_get_ksettings(h, cmd);
731 		break;
732 	case HNAE3_MEDIA_TYPE_COPPER:
733 		cmd->base.port = PORT_TP;
734 		if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) &&
735 		    ops->get_phy_link_ksettings)
736 			ops->get_phy_link_ksettings(h, cmd);
737 		else if (!netdev->phydev)
738 			hns3_get_ksettings(h, cmd);
739 		else
740 			phy_ethtool_ksettings_get(netdev->phydev, cmd);
741 		break;
742 	default:
743 
744 		netdev_warn(netdev, "Unknown media type");
745 		return 0;
746 	}
747 
748 	/* mdio_support */
749 	cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
750 
751 	link_stat = hns3_get_link(netdev);
752 	if (!link_stat) {
753 		cmd->base.speed = SPEED_UNKNOWN;
754 		cmd->base.duplex = DUPLEX_UNKNOWN;
755 	}
756 
757 	return 0;
758 }
759 
760 static int hns3_check_ksettings_param(const struct net_device *netdev,
761 				      const struct ethtool_link_ksettings *cmd)
762 {
763 	struct hnae3_handle *handle = hns3_get_handle(netdev);
764 	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
765 	u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN;
766 	u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN;
767 	u8 autoneg;
768 	u32 speed;
769 	u8 duplex;
770 	int ret;
771 
772 	/* hw doesn't support use specified speed and duplex to negotiate,
773 	 * unnecessary to check them when autoneg on.
774 	 */
775 	if (cmd->base.autoneg)
776 		return 0;
777 
778 	if (ops->get_ksettings_an_result) {
779 		ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex);
780 		if (cmd->base.autoneg == autoneg && cmd->base.speed == speed &&
781 		    cmd->base.duplex == duplex)
782 			return 0;
783 	}
784 
785 	if (ops->get_media_type)
786 		ops->get_media_type(handle, &media_type, &module_type);
787 
788 	if (cmd->base.duplex == DUPLEX_HALF &&
789 	    media_type != HNAE3_MEDIA_TYPE_COPPER) {
790 		netdev_err(netdev,
791 			   "only copper port supports half duplex!");
792 		return -EINVAL;
793 	}
794 
795 	if (ops->check_port_speed) {
796 		ret = ops->check_port_speed(handle, cmd->base.speed);
797 		if (ret) {
798 			netdev_err(netdev, "unsupported speed\n");
799 			return ret;
800 		}
801 	}
802 
803 	return 0;
804 }
805 
806 static int hns3_set_link_ksettings(struct net_device *netdev,
807 				   const struct ethtool_link_ksettings *cmd)
808 {
809 	struct hnae3_handle *handle = hns3_get_handle(netdev);
810 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
811 	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
812 	int ret;
813 
814 	/* Chip don't support this mode. */
815 	if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
816 		return -EINVAL;
817 
818 	netif_dbg(handle, drv, netdev,
819 		  "set link(%s): autoneg=%u, speed=%u, duplex=%u\n",
820 		  netdev->phydev ? "phy" : "mac",
821 		  cmd->base.autoneg, cmd->base.speed, cmd->base.duplex);
822 
823 	/* Only support ksettings_set for netdev with phy attached for now */
824 	if (netdev->phydev) {
825 		if (cmd->base.speed == SPEED_1000 &&
826 		    cmd->base.autoneg == AUTONEG_DISABLE)
827 			return -EINVAL;
828 
829 		return phy_ethtool_ksettings_set(netdev->phydev, cmd);
830 	} else if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) &&
831 		   ops->set_phy_link_ksettings) {
832 		return ops->set_phy_link_ksettings(handle, cmd);
833 	}
834 
835 	if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
836 		return -EOPNOTSUPP;
837 
838 	ret = hns3_check_ksettings_param(netdev, cmd);
839 	if (ret)
840 		return ret;
841 
842 	if (ops->set_autoneg) {
843 		ret = ops->set_autoneg(handle, cmd->base.autoneg);
844 		if (ret)
845 			return ret;
846 	}
847 
848 	/* hw doesn't support use specified speed and duplex to negotiate,
849 	 * ignore them when autoneg on.
850 	 */
851 	if (cmd->base.autoneg) {
852 		netdev_info(netdev,
853 			    "autoneg is on, ignore the speed and duplex\n");
854 		return 0;
855 	}
856 
857 	if (ops->cfg_mac_speed_dup_h)
858 		ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed,
859 					       cmd->base.duplex);
860 
861 	return ret;
862 }
863 
864 static u32 hns3_get_rss_key_size(struct net_device *netdev)
865 {
866 	struct hnae3_handle *h = hns3_get_handle(netdev);
867 
868 	if (!h->ae_algo->ops->get_rss_key_size)
869 		return 0;
870 
871 	return h->ae_algo->ops->get_rss_key_size(h);
872 }
873 
874 static u32 hns3_get_rss_indir_size(struct net_device *netdev)
875 {
876 	struct hnae3_handle *h = hns3_get_handle(netdev);
877 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
878 
879 	return ae_dev->dev_specs.rss_ind_tbl_size;
880 }
881 
882 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key,
883 			u8 *hfunc)
884 {
885 	struct hnae3_handle *h = hns3_get_handle(netdev);
886 
887 	if (!h->ae_algo->ops->get_rss)
888 		return -EOPNOTSUPP;
889 
890 	return h->ae_algo->ops->get_rss(h, indir, key, hfunc);
891 }
892 
893 static int hns3_set_rss(struct net_device *netdev, const u32 *indir,
894 			const u8 *key, const u8 hfunc)
895 {
896 	struct hnae3_handle *h = hns3_get_handle(netdev);
897 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
898 
899 	if (!h->ae_algo->ops->set_rss)
900 		return -EOPNOTSUPP;
901 
902 	if ((ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 &&
903 	     hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE &&
904 	     hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) {
905 		netdev_err(netdev, "hash func not supported\n");
906 		return -EOPNOTSUPP;
907 	}
908 
909 	if (!indir) {
910 		netdev_err(netdev,
911 			   "set rss failed for indir is empty\n");
912 		return -EOPNOTSUPP;
913 	}
914 
915 	return h->ae_algo->ops->set_rss(h, indir, key, hfunc);
916 }
917 
918 static int hns3_get_rxnfc(struct net_device *netdev,
919 			  struct ethtool_rxnfc *cmd,
920 			  u32 *rule_locs)
921 {
922 	struct hnae3_handle *h = hns3_get_handle(netdev);
923 
924 	switch (cmd->cmd) {
925 	case ETHTOOL_GRXRINGS:
926 		cmd->data = h->kinfo.num_tqps;
927 		return 0;
928 	case ETHTOOL_GRXFH:
929 		if (h->ae_algo->ops->get_rss_tuple)
930 			return h->ae_algo->ops->get_rss_tuple(h, cmd);
931 		return -EOPNOTSUPP;
932 	case ETHTOOL_GRXCLSRLCNT:
933 		if (h->ae_algo->ops->get_fd_rule_cnt)
934 			return h->ae_algo->ops->get_fd_rule_cnt(h, cmd);
935 		return -EOPNOTSUPP;
936 	case ETHTOOL_GRXCLSRULE:
937 		if (h->ae_algo->ops->get_fd_rule_info)
938 			return h->ae_algo->ops->get_fd_rule_info(h, cmd);
939 		return -EOPNOTSUPP;
940 	case ETHTOOL_GRXCLSRLALL:
941 		if (h->ae_algo->ops->get_fd_all_rules)
942 			return h->ae_algo->ops->get_fd_all_rules(h, cmd,
943 								 rule_locs);
944 		return -EOPNOTSUPP;
945 	default:
946 		return -EOPNOTSUPP;
947 	}
948 }
949 
950 static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv,
951 					u32 tx_desc_num, u32 rx_desc_num)
952 {
953 	struct hnae3_handle *h = priv->ae_handle;
954 	int i;
955 
956 	h->kinfo.num_tx_desc = tx_desc_num;
957 	h->kinfo.num_rx_desc = rx_desc_num;
958 
959 	for (i = 0; i < h->kinfo.num_tqps; i++) {
960 		priv->ring[i].desc_num = tx_desc_num;
961 		priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num;
962 	}
963 }
964 
965 static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv)
966 {
967 	struct hnae3_handle *handle = priv->ae_handle;
968 	struct hns3_enet_ring *tmp_rings;
969 	int i;
970 
971 	tmp_rings = kcalloc(handle->kinfo.num_tqps * 2,
972 			    sizeof(struct hns3_enet_ring), GFP_KERNEL);
973 	if (!tmp_rings)
974 		return NULL;
975 
976 	for (i = 0; i < handle->kinfo.num_tqps * 2; i++) {
977 		memcpy(&tmp_rings[i], &priv->ring[i],
978 		       sizeof(struct hns3_enet_ring));
979 		tmp_rings[i].skb = NULL;
980 	}
981 
982 	return tmp_rings;
983 }
984 
985 static int hns3_check_ringparam(struct net_device *ndev,
986 				struct ethtool_ringparam *param)
987 {
988 	if (hns3_nic_resetting(ndev))
989 		return -EBUSY;
990 
991 	if (param->rx_mini_pending || param->rx_jumbo_pending)
992 		return -EINVAL;
993 
994 	if (param->tx_pending > HNS3_RING_MAX_PENDING ||
995 	    param->tx_pending < HNS3_RING_MIN_PENDING ||
996 	    param->rx_pending > HNS3_RING_MAX_PENDING ||
997 	    param->rx_pending < HNS3_RING_MIN_PENDING) {
998 		netdev_err(ndev, "Queue depth out of range [%d-%d]\n",
999 			   HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING);
1000 		return -EINVAL;
1001 	}
1002 
1003 	return 0;
1004 }
1005 
1006 static int hns3_set_ringparam(struct net_device *ndev,
1007 			      struct ethtool_ringparam *param)
1008 {
1009 	struct hns3_nic_priv *priv = netdev_priv(ndev);
1010 	struct hnae3_handle *h = priv->ae_handle;
1011 	struct hns3_enet_ring *tmp_rings;
1012 	bool if_running = netif_running(ndev);
1013 	u32 old_tx_desc_num, new_tx_desc_num;
1014 	u32 old_rx_desc_num, new_rx_desc_num;
1015 	u16 queue_num = h->kinfo.num_tqps;
1016 	int ret, i;
1017 
1018 	ret = hns3_check_ringparam(ndev, param);
1019 	if (ret)
1020 		return ret;
1021 
1022 	/* Hardware requires that its descriptors must be multiple of eight */
1023 	new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE);
1024 	new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE);
1025 	old_tx_desc_num = priv->ring[0].desc_num;
1026 	old_rx_desc_num = priv->ring[queue_num].desc_num;
1027 	if (old_tx_desc_num == new_tx_desc_num &&
1028 	    old_rx_desc_num == new_rx_desc_num)
1029 		return 0;
1030 
1031 	tmp_rings = hns3_backup_ringparam(priv);
1032 	if (!tmp_rings) {
1033 		netdev_err(ndev,
1034 			   "backup ring param failed by allocating memory fail\n");
1035 		return -ENOMEM;
1036 	}
1037 
1038 	netdev_info(ndev,
1039 		    "Changing Tx/Rx ring depth from %u/%u to %u/%u\n",
1040 		    old_tx_desc_num, old_rx_desc_num,
1041 		    new_tx_desc_num, new_rx_desc_num);
1042 
1043 	if (if_running)
1044 		ndev->netdev_ops->ndo_stop(ndev);
1045 
1046 	hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num);
1047 	ret = hns3_init_all_ring(priv);
1048 	if (ret) {
1049 		netdev_err(ndev, "Change bd num fail, revert to old value(%d)\n",
1050 			   ret);
1051 
1052 		hns3_change_all_ring_bd_num(priv, old_tx_desc_num,
1053 					    old_rx_desc_num);
1054 		for (i = 0; i < h->kinfo.num_tqps * 2; i++)
1055 			memcpy(&priv->ring[i], &tmp_rings[i],
1056 			       sizeof(struct hns3_enet_ring));
1057 	} else {
1058 		for (i = 0; i < h->kinfo.num_tqps * 2; i++)
1059 			hns3_fini_ring(&tmp_rings[i]);
1060 	}
1061 
1062 	kfree(tmp_rings);
1063 
1064 	if (if_running)
1065 		ret = ndev->netdev_ops->ndo_open(ndev);
1066 
1067 	return ret;
1068 }
1069 
1070 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1071 {
1072 	struct hnae3_handle *h = hns3_get_handle(netdev);
1073 
1074 	switch (cmd->cmd) {
1075 	case ETHTOOL_SRXFH:
1076 		if (h->ae_algo->ops->set_rss_tuple)
1077 			return h->ae_algo->ops->set_rss_tuple(h, cmd);
1078 		return -EOPNOTSUPP;
1079 	case ETHTOOL_SRXCLSRLINS:
1080 		if (h->ae_algo->ops->add_fd_entry)
1081 			return h->ae_algo->ops->add_fd_entry(h, cmd);
1082 		return -EOPNOTSUPP;
1083 	case ETHTOOL_SRXCLSRLDEL:
1084 		if (h->ae_algo->ops->del_fd_entry)
1085 			return h->ae_algo->ops->del_fd_entry(h, cmd);
1086 		return -EOPNOTSUPP;
1087 	default:
1088 		return -EOPNOTSUPP;
1089 	}
1090 }
1091 
1092 static int hns3_nway_reset(struct net_device *netdev)
1093 {
1094 	struct hnae3_handle *handle = hns3_get_handle(netdev);
1095 	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1096 	struct phy_device *phy = netdev->phydev;
1097 	int autoneg;
1098 
1099 	if (!netif_running(netdev))
1100 		return 0;
1101 
1102 	if (hns3_nic_resetting(netdev)) {
1103 		netdev_err(netdev, "dev resetting!");
1104 		return -EBUSY;
1105 	}
1106 
1107 	if (!ops->get_autoneg || !ops->restart_autoneg)
1108 		return -EOPNOTSUPP;
1109 
1110 	autoneg = ops->get_autoneg(handle);
1111 	if (autoneg != AUTONEG_ENABLE) {
1112 		netdev_err(netdev,
1113 			   "Autoneg is off, don't support to restart it\n");
1114 		return -EINVAL;
1115 	}
1116 
1117 	netif_dbg(handle, drv, netdev,
1118 		  "nway reset (using %s)\n", phy ? "phy" : "mac");
1119 
1120 	if (phy)
1121 		return genphy_restart_aneg(phy);
1122 
1123 	return ops->restart_autoneg(handle);
1124 }
1125 
1126 static void hns3_get_channels(struct net_device *netdev,
1127 			      struct ethtool_channels *ch)
1128 {
1129 	struct hnae3_handle *h = hns3_get_handle(netdev);
1130 
1131 	if (h->ae_algo->ops->get_channels)
1132 		h->ae_algo->ops->get_channels(h, ch);
1133 }
1134 
1135 static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue,
1136 				       struct ethtool_coalesce *cmd)
1137 {
1138 	struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
1139 	struct hns3_nic_priv *priv = netdev_priv(netdev);
1140 	struct hnae3_handle *h = priv->ae_handle;
1141 	u16 queue_num = h->kinfo.num_tqps;
1142 
1143 	if (hns3_nic_resetting(netdev))
1144 		return -EBUSY;
1145 
1146 	if (queue >= queue_num) {
1147 		netdev_err(netdev,
1148 			   "Invalid queue value %u! Queue max id=%u\n",
1149 			   queue, queue_num - 1);
1150 		return -EINVAL;
1151 	}
1152 
1153 	tx_vector = priv->ring[queue].tqp_vector;
1154 	rx_vector = priv->ring[queue_num + queue].tqp_vector;
1155 
1156 	cmd->use_adaptive_tx_coalesce =
1157 			tx_vector->tx_group.coal.adapt_enable;
1158 	cmd->use_adaptive_rx_coalesce =
1159 			rx_vector->rx_group.coal.adapt_enable;
1160 
1161 	cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl;
1162 	cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl;
1163 
1164 	cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting;
1165 	cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting;
1166 
1167 	cmd->tx_max_coalesced_frames = tx_vector->tx_group.coal.int_ql;
1168 	cmd->rx_max_coalesced_frames = rx_vector->rx_group.coal.int_ql;
1169 
1170 	return 0;
1171 }
1172 
1173 static int hns3_get_coalesce(struct net_device *netdev,
1174 			     struct ethtool_coalesce *cmd)
1175 {
1176 	return hns3_get_coalesce_per_queue(netdev, 0, cmd);
1177 }
1178 
1179 static int hns3_check_gl_coalesce_para(struct net_device *netdev,
1180 				       struct ethtool_coalesce *cmd)
1181 {
1182 	struct hnae3_handle *handle = hns3_get_handle(netdev);
1183 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1184 	u32 rx_gl, tx_gl;
1185 
1186 	if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
1187 		netdev_err(netdev,
1188 			   "invalid rx-usecs value, rx-usecs range is 0-%u\n",
1189 			   ae_dev->dev_specs.max_int_gl);
1190 		return -EINVAL;
1191 	}
1192 
1193 	if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
1194 		netdev_err(netdev,
1195 			   "invalid tx-usecs value, tx-usecs range is 0-%u\n",
1196 			   ae_dev->dev_specs.max_int_gl);
1197 		return -EINVAL;
1198 	}
1199 
1200 	/* device version above V3(include V3), GL uses 1us unit,
1201 	 * so the round down is not needed.
1202 	 */
1203 	if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3)
1204 		return 0;
1205 
1206 	rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs);
1207 	if (rx_gl != cmd->rx_coalesce_usecs) {
1208 		netdev_info(netdev,
1209 			    "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
1210 			    cmd->rx_coalesce_usecs, rx_gl);
1211 	}
1212 
1213 	tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs);
1214 	if (tx_gl != cmd->tx_coalesce_usecs) {
1215 		netdev_info(netdev,
1216 			    "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
1217 			    cmd->tx_coalesce_usecs, tx_gl);
1218 	}
1219 
1220 	return 0;
1221 }
1222 
1223 static int hns3_check_rl_coalesce_para(struct net_device *netdev,
1224 				       struct ethtool_coalesce *cmd)
1225 {
1226 	u32 rl;
1227 
1228 	if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) {
1229 		netdev_err(netdev,
1230 			   "tx_usecs_high must be same as rx_usecs_high.\n");
1231 		return -EINVAL;
1232 	}
1233 
1234 	if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) {
1235 		netdev_err(netdev,
1236 			   "Invalid usecs_high value, usecs_high range is 0-%d\n",
1237 			   HNS3_INT_RL_MAX);
1238 		return -EINVAL;
1239 	}
1240 
1241 	rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
1242 	if (rl != cmd->rx_coalesce_usecs_high) {
1243 		netdev_info(netdev,
1244 			    "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n",
1245 			    cmd->rx_coalesce_usecs_high, rl);
1246 	}
1247 
1248 	return 0;
1249 }
1250 
1251 static int hns3_check_ql_coalesce_param(struct net_device *netdev,
1252 					struct ethtool_coalesce *cmd)
1253 {
1254 	struct hnae3_handle *handle = hns3_get_handle(netdev);
1255 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1256 
1257 	if ((cmd->tx_max_coalesced_frames || cmd->rx_max_coalesced_frames) &&
1258 	    !ae_dev->dev_specs.int_ql_max) {
1259 		netdev_err(netdev, "coalesced frames is not supported\n");
1260 		return -EOPNOTSUPP;
1261 	}
1262 
1263 	if (cmd->tx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max ||
1264 	    cmd->rx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max) {
1265 		netdev_err(netdev,
1266 			   "invalid coalesced_frames value, range is 0-%u\n",
1267 			   ae_dev->dev_specs.int_ql_max);
1268 		return -ERANGE;
1269 	}
1270 
1271 	return 0;
1272 }
1273 
1274 static int hns3_check_coalesce_para(struct net_device *netdev,
1275 				    struct ethtool_coalesce *cmd)
1276 {
1277 	int ret;
1278 
1279 	ret = hns3_check_gl_coalesce_para(netdev, cmd);
1280 	if (ret) {
1281 		netdev_err(netdev,
1282 			   "Check gl coalesce param fail. ret = %d\n", ret);
1283 		return ret;
1284 	}
1285 
1286 	ret = hns3_check_rl_coalesce_para(netdev, cmd);
1287 	if (ret) {
1288 		netdev_err(netdev,
1289 			   "Check rl coalesce param fail. ret = %d\n", ret);
1290 		return ret;
1291 	}
1292 
1293 	ret = hns3_check_ql_coalesce_param(netdev, cmd);
1294 	if (ret)
1295 		return ret;
1296 
1297 	if (cmd->use_adaptive_tx_coalesce == 1 ||
1298 	    cmd->use_adaptive_rx_coalesce == 1) {
1299 		netdev_info(netdev,
1300 			    "adaptive-tx=%u and adaptive-rx=%u, tx_usecs or rx_usecs will changed dynamically.\n",
1301 			    cmd->use_adaptive_tx_coalesce,
1302 			    cmd->use_adaptive_rx_coalesce);
1303 	}
1304 
1305 	return 0;
1306 }
1307 
1308 static void hns3_set_coalesce_per_queue(struct net_device *netdev,
1309 					struct ethtool_coalesce *cmd,
1310 					u32 queue)
1311 {
1312 	struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
1313 	struct hns3_nic_priv *priv = netdev_priv(netdev);
1314 	struct hnae3_handle *h = priv->ae_handle;
1315 	int queue_num = h->kinfo.num_tqps;
1316 
1317 	tx_vector = priv->ring[queue].tqp_vector;
1318 	rx_vector = priv->ring[queue_num + queue].tqp_vector;
1319 
1320 	tx_vector->tx_group.coal.adapt_enable =
1321 				cmd->use_adaptive_tx_coalesce;
1322 	rx_vector->rx_group.coal.adapt_enable =
1323 				cmd->use_adaptive_rx_coalesce;
1324 
1325 	tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs;
1326 	rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs;
1327 
1328 	tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames;
1329 	rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames;
1330 
1331 	hns3_set_vector_coalesce_tx_gl(tx_vector,
1332 				       tx_vector->tx_group.coal.int_gl);
1333 	hns3_set_vector_coalesce_rx_gl(rx_vector,
1334 				       rx_vector->rx_group.coal.int_gl);
1335 
1336 	hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting);
1337 	hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting);
1338 
1339 	if (tx_vector->tx_group.coal.ql_enable)
1340 		hns3_set_vector_coalesce_tx_ql(tx_vector,
1341 					       tx_vector->tx_group.coal.int_ql);
1342 	if (rx_vector->rx_group.coal.ql_enable)
1343 		hns3_set_vector_coalesce_rx_ql(rx_vector,
1344 					       rx_vector->rx_group.coal.int_ql);
1345 }
1346 
1347 static int hns3_set_coalesce(struct net_device *netdev,
1348 			     struct ethtool_coalesce *cmd)
1349 {
1350 	struct hnae3_handle *h = hns3_get_handle(netdev);
1351 	u16 queue_num = h->kinfo.num_tqps;
1352 	int ret;
1353 	int i;
1354 
1355 	if (hns3_nic_resetting(netdev))
1356 		return -EBUSY;
1357 
1358 	ret = hns3_check_coalesce_para(netdev, cmd);
1359 	if (ret)
1360 		return ret;
1361 
1362 	h->kinfo.int_rl_setting =
1363 		hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
1364 
1365 	for (i = 0; i < queue_num; i++)
1366 		hns3_set_coalesce_per_queue(netdev, cmd, i);
1367 
1368 	return 0;
1369 }
1370 
1371 static int hns3_get_regs_len(struct net_device *netdev)
1372 {
1373 	struct hnae3_handle *h = hns3_get_handle(netdev);
1374 
1375 	if (!h->ae_algo->ops->get_regs_len)
1376 		return -EOPNOTSUPP;
1377 
1378 	return h->ae_algo->ops->get_regs_len(h);
1379 }
1380 
1381 static void hns3_get_regs(struct net_device *netdev,
1382 			  struct ethtool_regs *cmd, void *data)
1383 {
1384 	struct hnae3_handle *h = hns3_get_handle(netdev);
1385 
1386 	if (!h->ae_algo->ops->get_regs)
1387 		return;
1388 
1389 	h->ae_algo->ops->get_regs(h, &cmd->version, data);
1390 }
1391 
1392 static int hns3_set_phys_id(struct net_device *netdev,
1393 			    enum ethtool_phys_id_state state)
1394 {
1395 	struct hnae3_handle *h = hns3_get_handle(netdev);
1396 
1397 	if (!h->ae_algo->ops->set_led_id)
1398 		return -EOPNOTSUPP;
1399 
1400 	return h->ae_algo->ops->set_led_id(h, state);
1401 }
1402 
1403 static u32 hns3_get_msglevel(struct net_device *netdev)
1404 {
1405 	struct hnae3_handle *h = hns3_get_handle(netdev);
1406 
1407 	return h->msg_enable;
1408 }
1409 
1410 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level)
1411 {
1412 	struct hnae3_handle *h = hns3_get_handle(netdev);
1413 
1414 	h->msg_enable = msg_level;
1415 }
1416 
1417 /* Translate local fec value into ethtool value. */
1418 static unsigned int loc_to_eth_fec(u8 loc_fec)
1419 {
1420 	u32 eth_fec = 0;
1421 
1422 	if (loc_fec & BIT(HNAE3_FEC_AUTO))
1423 		eth_fec |= ETHTOOL_FEC_AUTO;
1424 	if (loc_fec & BIT(HNAE3_FEC_RS))
1425 		eth_fec |= ETHTOOL_FEC_RS;
1426 	if (loc_fec & BIT(HNAE3_FEC_BASER))
1427 		eth_fec |= ETHTOOL_FEC_BASER;
1428 
1429 	/* if nothing is set, then FEC is off */
1430 	if (!eth_fec)
1431 		eth_fec = ETHTOOL_FEC_OFF;
1432 
1433 	return eth_fec;
1434 }
1435 
1436 /* Translate ethtool fec value into local value. */
1437 static unsigned int eth_to_loc_fec(unsigned int eth_fec)
1438 {
1439 	u32 loc_fec = 0;
1440 
1441 	if (eth_fec & ETHTOOL_FEC_OFF)
1442 		return loc_fec;
1443 
1444 	if (eth_fec & ETHTOOL_FEC_AUTO)
1445 		loc_fec |= BIT(HNAE3_FEC_AUTO);
1446 	if (eth_fec & ETHTOOL_FEC_RS)
1447 		loc_fec |= BIT(HNAE3_FEC_RS);
1448 	if (eth_fec & ETHTOOL_FEC_BASER)
1449 		loc_fec |= BIT(HNAE3_FEC_BASER);
1450 
1451 	return loc_fec;
1452 }
1453 
1454 static int hns3_get_fecparam(struct net_device *netdev,
1455 			     struct ethtool_fecparam *fec)
1456 {
1457 	struct hnae3_handle *handle = hns3_get_handle(netdev);
1458 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1459 	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1460 	u8 fec_ability;
1461 	u8 fec_mode;
1462 
1463 	if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
1464 		return -EOPNOTSUPP;
1465 
1466 	if (!ops->get_fec)
1467 		return -EOPNOTSUPP;
1468 
1469 	ops->get_fec(handle, &fec_ability, &fec_mode);
1470 
1471 	fec->fec = loc_to_eth_fec(fec_ability);
1472 	fec->active_fec = loc_to_eth_fec(fec_mode);
1473 
1474 	return 0;
1475 }
1476 
1477 static int hns3_set_fecparam(struct net_device *netdev,
1478 			     struct ethtool_fecparam *fec)
1479 {
1480 	struct hnae3_handle *handle = hns3_get_handle(netdev);
1481 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1482 	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1483 	u32 fec_mode;
1484 
1485 	if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
1486 		return -EOPNOTSUPP;
1487 
1488 	if (!ops->set_fec)
1489 		return -EOPNOTSUPP;
1490 	fec_mode = eth_to_loc_fec(fec->fec);
1491 
1492 	netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode);
1493 
1494 	return ops->set_fec(handle, fec_mode);
1495 }
1496 
1497 static int hns3_get_module_info(struct net_device *netdev,
1498 				struct ethtool_modinfo *modinfo)
1499 {
1500 #define HNS3_SFF_8636_V1_3 0x03
1501 
1502 	struct hnae3_handle *handle = hns3_get_handle(netdev);
1503 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1504 	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1505 	struct hns3_sfp_type sfp_type;
1506 	int ret;
1507 
1508 	if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
1509 	    !ops->get_module_eeprom)
1510 		return -EOPNOTSUPP;
1511 
1512 	memset(&sfp_type, 0, sizeof(sfp_type));
1513 	ret = ops->get_module_eeprom(handle, 0, sizeof(sfp_type) / sizeof(u8),
1514 				     (u8 *)&sfp_type);
1515 	if (ret)
1516 		return ret;
1517 
1518 	switch (sfp_type.type) {
1519 	case SFF8024_ID_SFP:
1520 		modinfo->type = ETH_MODULE_SFF_8472;
1521 		modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1522 		break;
1523 	case SFF8024_ID_QSFP_8438:
1524 		modinfo->type = ETH_MODULE_SFF_8436;
1525 		modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1526 		break;
1527 	case SFF8024_ID_QSFP_8436_8636:
1528 		if (sfp_type.ext_type < HNS3_SFF_8636_V1_3) {
1529 			modinfo->type = ETH_MODULE_SFF_8436;
1530 			modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1531 		} else {
1532 			modinfo->type = ETH_MODULE_SFF_8636;
1533 			modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
1534 		}
1535 		break;
1536 	case SFF8024_ID_QSFP28_8636:
1537 		modinfo->type = ETH_MODULE_SFF_8636;
1538 		modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
1539 		break;
1540 	default:
1541 		netdev_err(netdev, "Optical module unknown: %#x\n",
1542 			   sfp_type.type);
1543 		return -EINVAL;
1544 	}
1545 
1546 	return 0;
1547 }
1548 
1549 static int hns3_get_module_eeprom(struct net_device *netdev,
1550 				  struct ethtool_eeprom *ee, u8 *data)
1551 {
1552 	struct hnae3_handle *handle = hns3_get_handle(netdev);
1553 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1554 	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1555 
1556 	if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
1557 	    !ops->get_module_eeprom)
1558 		return -EOPNOTSUPP;
1559 
1560 	if (!ee->len)
1561 		return -EINVAL;
1562 
1563 	memset(data, 0, ee->len);
1564 
1565 	return ops->get_module_eeprom(handle, ee->offset, ee->len, data);
1566 }
1567 
1568 static u32 hns3_get_priv_flags(struct net_device *netdev)
1569 {
1570 	struct hnae3_handle *handle = hns3_get_handle(netdev);
1571 
1572 	return handle->priv_flags;
1573 }
1574 
1575 static int hns3_check_priv_flags(struct hnae3_handle *h, u32 changed)
1576 {
1577 	u32 i;
1578 
1579 	for (i = 0; i < HNAE3_PFLAG_MAX; i++)
1580 		if ((changed & BIT(i)) && !test_bit(i, &h->supported_pflags)) {
1581 			netdev_err(h->netdev, "%s is unsupported\n",
1582 				   hns3_priv_flags[i].name);
1583 			return -EOPNOTSUPP;
1584 		}
1585 
1586 	return 0;
1587 }
1588 
1589 static int hns3_set_priv_flags(struct net_device *netdev, u32 pflags)
1590 {
1591 	struct hnae3_handle *handle = hns3_get_handle(netdev);
1592 	u32 changed = pflags ^ handle->priv_flags;
1593 	int ret;
1594 	u32 i;
1595 
1596 	ret = hns3_check_priv_flags(handle, changed);
1597 	if (ret)
1598 		return ret;
1599 
1600 	for (i = 0; i < HNAE3_PFLAG_MAX; i++) {
1601 		if (changed & BIT(i)) {
1602 			bool enable = !(handle->priv_flags & BIT(i));
1603 
1604 			if (enable)
1605 				handle->priv_flags |= BIT(i);
1606 			else
1607 				handle->priv_flags &= ~BIT(i);
1608 			hns3_priv_flags[i].handler(netdev, enable);
1609 		}
1610 	}
1611 
1612 	return 0;
1613 }
1614 
1615 #define HNS3_ETHTOOL_COALESCE	(ETHTOOL_COALESCE_USECS |		\
1616 				 ETHTOOL_COALESCE_USE_ADAPTIVE |	\
1617 				 ETHTOOL_COALESCE_RX_USECS_HIGH |	\
1618 				 ETHTOOL_COALESCE_TX_USECS_HIGH |	\
1619 				 ETHTOOL_COALESCE_MAX_FRAMES)
1620 
1621 static const struct ethtool_ops hns3vf_ethtool_ops = {
1622 	.supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
1623 	.get_drvinfo = hns3_get_drvinfo,
1624 	.get_ringparam = hns3_get_ringparam,
1625 	.set_ringparam = hns3_set_ringparam,
1626 	.get_strings = hns3_get_strings,
1627 	.get_ethtool_stats = hns3_get_stats,
1628 	.get_sset_count = hns3_get_sset_count,
1629 	.get_rxnfc = hns3_get_rxnfc,
1630 	.set_rxnfc = hns3_set_rxnfc,
1631 	.get_rxfh_key_size = hns3_get_rss_key_size,
1632 	.get_rxfh_indir_size = hns3_get_rss_indir_size,
1633 	.get_rxfh = hns3_get_rss,
1634 	.set_rxfh = hns3_set_rss,
1635 	.get_link_ksettings = hns3_get_link_ksettings,
1636 	.get_channels = hns3_get_channels,
1637 	.set_channels = hns3_set_channels,
1638 	.get_coalesce = hns3_get_coalesce,
1639 	.set_coalesce = hns3_set_coalesce,
1640 	.get_regs_len = hns3_get_regs_len,
1641 	.get_regs = hns3_get_regs,
1642 	.get_link = hns3_get_link,
1643 	.get_msglevel = hns3_get_msglevel,
1644 	.set_msglevel = hns3_set_msglevel,
1645 	.get_priv_flags = hns3_get_priv_flags,
1646 	.set_priv_flags = hns3_set_priv_flags,
1647 };
1648 
1649 static const struct ethtool_ops hns3_ethtool_ops = {
1650 	.supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
1651 	.self_test = hns3_self_test,
1652 	.get_drvinfo = hns3_get_drvinfo,
1653 	.get_link = hns3_get_link,
1654 	.get_ringparam = hns3_get_ringparam,
1655 	.set_ringparam = hns3_set_ringparam,
1656 	.get_pauseparam = hns3_get_pauseparam,
1657 	.set_pauseparam = hns3_set_pauseparam,
1658 	.get_strings = hns3_get_strings,
1659 	.get_ethtool_stats = hns3_get_stats,
1660 	.get_sset_count = hns3_get_sset_count,
1661 	.get_rxnfc = hns3_get_rxnfc,
1662 	.set_rxnfc = hns3_set_rxnfc,
1663 	.get_rxfh_key_size = hns3_get_rss_key_size,
1664 	.get_rxfh_indir_size = hns3_get_rss_indir_size,
1665 	.get_rxfh = hns3_get_rss,
1666 	.set_rxfh = hns3_set_rss,
1667 	.get_link_ksettings = hns3_get_link_ksettings,
1668 	.set_link_ksettings = hns3_set_link_ksettings,
1669 	.nway_reset = hns3_nway_reset,
1670 	.get_channels = hns3_get_channels,
1671 	.set_channels = hns3_set_channels,
1672 	.get_coalesce = hns3_get_coalesce,
1673 	.set_coalesce = hns3_set_coalesce,
1674 	.get_regs_len = hns3_get_regs_len,
1675 	.get_regs = hns3_get_regs,
1676 	.set_phys_id = hns3_set_phys_id,
1677 	.get_msglevel = hns3_get_msglevel,
1678 	.set_msglevel = hns3_set_msglevel,
1679 	.get_fecparam = hns3_get_fecparam,
1680 	.set_fecparam = hns3_set_fecparam,
1681 	.get_module_info = hns3_get_module_info,
1682 	.get_module_eeprom = hns3_get_module_eeprom,
1683 	.get_priv_flags = hns3_get_priv_flags,
1684 	.set_priv_flags = hns3_set_priv_flags,
1685 };
1686 
1687 void hns3_ethtool_set_ops(struct net_device *netdev)
1688 {
1689 	struct hnae3_handle *h = hns3_get_handle(netdev);
1690 
1691 	if (h->flags & HNAE3_SUPPORT_VF)
1692 		netdev->ethtool_ops = &hns3vf_ethtool_ops;
1693 	else
1694 		netdev->ethtool_ops = &hns3_ethtool_ops;
1695 }
1696