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10#include <linux/etherdevice.h>
11#include <linux/string.h>
12#include <linux/phy.h>
13
14#include "hns3_enet.h"
15
16struct hns3_stats {
17 char stats_string[ETH_GSTRING_LEN];
18 int stats_offset;
19};
20
21
22#define HNS3_TQP_STAT(_string, _member) { \
23 .stats_string = _string, \
24 .stats_offset = offsetof(struct hns3_enet_ring, stats) +\
25 offsetof(struct ring_stats, _member), \
26}
27
28static const struct hns3_stats hns3_txq_stats[] = {
29
30 HNS3_TQP_STAT("io_err_cnt", io_err_cnt),
31 HNS3_TQP_STAT("tx_dropped", sw_err_cnt),
32 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt),
33 HNS3_TQP_STAT("packets", tx_pkts),
34 HNS3_TQP_STAT("bytes", tx_bytes),
35 HNS3_TQP_STAT("errors", tx_err_cnt),
36 HNS3_TQP_STAT("tx_wake", restart_queue),
37 HNS3_TQP_STAT("tx_busy", tx_busy),
38};
39
40#define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats)
41
42static const struct hns3_stats hns3_rxq_stats[] = {
43
44 HNS3_TQP_STAT("io_err_cnt", io_err_cnt),
45 HNS3_TQP_STAT("rx_dropped", sw_err_cnt),
46 HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt),
47 HNS3_TQP_STAT("packets", rx_pkts),
48 HNS3_TQP_STAT("bytes", rx_bytes),
49 HNS3_TQP_STAT("errors", rx_err_cnt),
50 HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt),
51 HNS3_TQP_STAT("err_pkt_len", err_pkt_len),
52 HNS3_TQP_STAT("non_vld_descs", non_vld_descs),
53 HNS3_TQP_STAT("err_bd_num", err_bd_num),
54 HNS3_TQP_STAT("l2_err", l2_err),
55 HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err),
56};
57
58#define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats)
59
60#define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT)
61
62#define HNS3_SELF_TEST_TYPE_NUM 2
63#define HNS3_NIC_LB_TEST_PKT_NUM 1
64#define HNS3_NIC_LB_TEST_RING_ID 0
65#define HNS3_NIC_LB_TEST_PACKET_SIZE 128
66
67
68#define HNS3_NIC_LB_TEST_NO_MEM_ERR 1
69#define HNS3_NIC_LB_TEST_TX_CNT_ERR 2
70#define HNS3_NIC_LB_TEST_RX_CNT_ERR 3
71
72struct hns3_link_mode_mapping {
73 u32 hns3_link_mode;
74 u32 ethtool_link_mode;
75};
76
77static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en)
78{
79 struct hnae3_handle *h = hns3_get_handle(ndev);
80 bool vlan_filter_enable;
81 int ret;
82
83 if (!h->ae_algo->ops->set_loopback ||
84 !h->ae_algo->ops->set_promisc_mode)
85 return -EOPNOTSUPP;
86
87 switch (loop) {
88 case HNAE3_MAC_INTER_LOOP_SERDES:
89 case HNAE3_MAC_INTER_LOOP_MAC:
90 ret = h->ae_algo->ops->set_loopback(h, loop, en);
91 break;
92 default:
93 ret = -ENOTSUPP;
94 break;
95 }
96
97 if (ret)
98 return ret;
99
100 if (en) {
101 h->ae_algo->ops->set_promisc_mode(h, true, true);
102 } else {
103
104 hns3_update_promisc_mode(ndev, h->netdev_flags);
105 vlan_filter_enable = ndev->flags & IFF_PROMISC ? false : true;
106 hns3_enable_vlan_filter(ndev, vlan_filter_enable);
107 }
108
109 return ret;
110}
111
112static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode)
113{
114 struct hnae3_handle *h = hns3_get_handle(ndev);
115 int ret;
116
117 ret = hns3_nic_reset_all_ring(h);
118 if (ret)
119 return ret;
120
121 ret = hns3_lp_setup(ndev, loop_mode, true);
122 usleep_range(10000, 20000);
123
124 return 0;
125}
126
127static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode)
128{
129 int ret;
130
131 ret = hns3_lp_setup(ndev, loop_mode, false);
132 if (ret) {
133 netdev_err(ndev, "lb_setup return error: %d\n", ret);
134 return ret;
135 }
136
137 usleep_range(10000, 20000);
138
139 return 0;
140}
141
142static void hns3_lp_setup_skb(struct sk_buff *skb)
143{
144 struct net_device *ndev = skb->dev;
145 unsigned char *packet;
146 struct ethhdr *ethh;
147 unsigned int i;
148
149 skb_reserve(skb, NET_IP_ALIGN);
150 ethh = skb_put(skb, sizeof(struct ethhdr));
151 packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE);
152
153 memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN);
154 ethh->h_dest[5] += 0x1f;
155 eth_zero_addr(ethh->h_source);
156 ethh->h_proto = htons(ETH_P_ARP);
157 skb_reset_mac_header(skb);
158
159 for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++)
160 packet[i] = (unsigned char)(i & 0xff);
161}
162
163static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring,
164 struct sk_buff *skb)
165{
166 struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector;
167 unsigned char *packet = skb->data;
168 u32 i;
169
170 for (i = 0; i < skb->len; i++)
171 if (packet[i] != (unsigned char)(i & 0xff))
172 break;
173
174
175 if (i == skb->len)
176 tqp_vector->rx_group.total_packets++;
177 else
178 print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1,
179 skb->data, skb->len, true);
180
181 dev_kfree_skb_any(skb);
182}
183
184static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget)
185{
186 struct hnae3_handle *h = priv->ae_handle;
187 struct hnae3_knic_private_info *kinfo;
188 u32 i, rcv_good_pkt_total = 0;
189
190 kinfo = &h->kinfo;
191 for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) {
192 struct hns3_enet_ring *ring = priv->ring_data[i].ring;
193 struct hns3_enet_ring_group *rx_group;
194 u64 pre_rx_pkt;
195
196 rx_group = &ring->tqp_vector->rx_group;
197 pre_rx_pkt = rx_group->total_packets;
198
199 preempt_disable();
200 hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data);
201 preempt_enable();
202
203 rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt);
204 rx_group->total_packets = pre_rx_pkt;
205 }
206 return rcv_good_pkt_total;
207}
208
209static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid,
210 u32 end_ringid, u32 budget)
211{
212 u32 i;
213
214 for (i = start_ringid; i <= end_ringid; i++) {
215 struct hns3_enet_ring *ring = priv->ring_data[i].ring;
216
217 hns3_clean_tx_ring(ring);
218 }
219}
220
221
222
223
224
225
226static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode)
227{
228 struct hns3_nic_priv *priv = netdev_priv(ndev);
229 struct sk_buff *skb;
230 u32 i, good_cnt;
231 int ret_val = 0;
232
233 skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN,
234 GFP_KERNEL);
235 if (!skb)
236 return HNS3_NIC_LB_TEST_NO_MEM_ERR;
237
238 skb->dev = ndev;
239 hns3_lp_setup_skb(skb);
240 skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID;
241
242 good_cnt = 0;
243 for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) {
244 netdev_tx_t tx_ret;
245
246 skb_get(skb);
247 tx_ret = hns3_nic_net_xmit(skb, ndev);
248 if (tx_ret == NETDEV_TX_OK)
249 good_cnt++;
250 else
251 netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n",
252 tx_ret);
253 }
254 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
255 ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR;
256 netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n",
257 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
258 goto out;
259 }
260
261
262 msleep(200);
263
264 good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM);
265 if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
266 ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR;
267 netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n",
268 mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
269 }
270
271out:
272 hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID,
273 HNS3_NIC_LB_TEST_RING_ID,
274 HNS3_NIC_LB_TEST_PKT_NUM);
275
276 kfree_skb(skb);
277 return ret_val;
278}
279
280
281
282
283
284
285
286static void hns3_self_test(struct net_device *ndev,
287 struct ethtool_test *eth_test, u64 *data)
288{
289 struct hns3_nic_priv *priv = netdev_priv(ndev);
290 struct hnae3_handle *h = priv->ae_handle;
291 int st_param[HNS3_SELF_TEST_TYPE_NUM][2];
292 bool if_running = netif_running(ndev);
293#if IS_ENABLED(CONFIG_VLAN_8021Q)
294 bool dis_vlan_filter;
295#endif
296 int test_index = 0;
297 u32 i;
298
299
300 if (eth_test->flags != ETH_TEST_FL_OFFLINE)
301 return;
302
303 st_param[HNAE3_MAC_INTER_LOOP_MAC][0] = HNAE3_MAC_INTER_LOOP_MAC;
304 st_param[HNAE3_MAC_INTER_LOOP_MAC][1] =
305 h->flags & HNAE3_SUPPORT_MAC_LOOPBACK;
306
307 st_param[HNAE3_MAC_INTER_LOOP_SERDES][0] = HNAE3_MAC_INTER_LOOP_SERDES;
308 st_param[HNAE3_MAC_INTER_LOOP_SERDES][1] =
309 h->flags & HNAE3_SUPPORT_SERDES_LOOPBACK;
310
311 if (if_running)
312 ndev->netdev_ops->ndo_stop(ndev);
313
314#if IS_ENABLED(CONFIG_VLAN_8021Q)
315
316 dis_vlan_filter = (ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) &&
317 h->ae_algo->ops->enable_vlan_filter;
318 if (dis_vlan_filter)
319 h->ae_algo->ops->enable_vlan_filter(h, false);
320#endif
321
322 set_bit(HNS3_NIC_STATE_TESTING, &priv->state);
323
324 for (i = 0; i < HNS3_SELF_TEST_TYPE_NUM; i++) {
325 enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0];
326
327 if (!st_param[i][1])
328 continue;
329
330 data[test_index] = hns3_lp_up(ndev, loop_type);
331 if (!data[test_index]) {
332 data[test_index] = hns3_lp_run_test(ndev, loop_type);
333 hns3_lp_down(ndev, loop_type);
334 }
335
336 if (data[test_index])
337 eth_test->flags |= ETH_TEST_FL_FAILED;
338
339 test_index++;
340 }
341
342 clear_bit(HNS3_NIC_STATE_TESTING, &priv->state);
343
344#if IS_ENABLED(CONFIG_VLAN_8021Q)
345 if (dis_vlan_filter)
346 h->ae_algo->ops->enable_vlan_filter(h, true);
347#endif
348
349 if (if_running)
350 ndev->netdev_ops->ndo_open(ndev);
351}
352
353static int hns3_get_sset_count(struct net_device *netdev, int stringset)
354{
355 struct hnae3_handle *h = hns3_get_handle(netdev);
356 const struct hnae3_ae_ops *ops = h->ae_algo->ops;
357
358 if (!ops->get_sset_count)
359 return -EOPNOTSUPP;
360
361 switch (stringset) {
362 case ETH_SS_STATS:
363 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) +
364 ops->get_sset_count(h, stringset));
365
366 case ETH_SS_TEST:
367 return ops->get_sset_count(h, stringset);
368
369 default:
370 return -EOPNOTSUPP;
371 }
372}
373
374static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats,
375 u32 stat_count, u32 num_tqps, const char *prefix)
376{
377#define MAX_PREFIX_SIZE (6 + 4)
378 u32 size_left;
379 u32 i, j;
380 u32 n1;
381
382 for (i = 0; i < num_tqps; i++) {
383 for (j = 0; j < stat_count; j++) {
384 data[ETH_GSTRING_LEN - 1] = '\0';
385
386
387 n1 = snprintf(data, MAX_PREFIX_SIZE, "%s#%d_",
388 prefix, i);
389 n1 = min_t(uint, n1, MAX_PREFIX_SIZE - 1);
390 size_left = (ETH_GSTRING_LEN - 1) - n1;
391
392
393 strncat(data, stats[j].stats_string, size_left);
394 data += ETH_GSTRING_LEN;
395 }
396 }
397
398 return data;
399}
400
401static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data)
402{
403 struct hnae3_knic_private_info *kinfo = &handle->kinfo;
404 const char tx_prefix[] = "txq";
405 const char rx_prefix[] = "rxq";
406
407
408 data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT,
409 kinfo->num_tqps, tx_prefix);
410
411
412 data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT,
413 kinfo->num_tqps, rx_prefix);
414
415 return data;
416}
417
418static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
419{
420 struct hnae3_handle *h = hns3_get_handle(netdev);
421 const struct hnae3_ae_ops *ops = h->ae_algo->ops;
422 char *buff = (char *)data;
423
424 if (!ops->get_strings)
425 return;
426
427 switch (stringset) {
428 case ETH_SS_STATS:
429 buff = hns3_get_strings_tqps(h, buff);
430 h->ae_algo->ops->get_strings(h, stringset, (u8 *)buff);
431 break;
432 case ETH_SS_TEST:
433 ops->get_strings(h, stringset, data);
434 break;
435 default:
436 break;
437 }
438}
439
440static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data)
441{
442 struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv;
443 struct hnae3_knic_private_info *kinfo = &handle->kinfo;
444 struct hns3_enet_ring *ring;
445 u8 *stat;
446 int i, j;
447
448
449 for (i = 0; i < kinfo->num_tqps; i++) {
450 ring = nic_priv->ring_data[i].ring;
451 for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) {
452 stat = (u8 *)ring + hns3_txq_stats[j].stats_offset;
453 *data++ = *(u64 *)stat;
454 }
455 }
456
457
458 for (i = 0; i < kinfo->num_tqps; i++) {
459 ring = nic_priv->ring_data[i + kinfo->num_tqps].ring;
460 for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) {
461 stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset;
462 *data++ = *(u64 *)stat;
463 }
464 }
465
466 return data;
467}
468
469
470
471
472
473
474static void hns3_get_stats(struct net_device *netdev,
475 struct ethtool_stats *stats, u64 *data)
476{
477 struct hnae3_handle *h = hns3_get_handle(netdev);
478 u64 *p = data;
479
480 if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) {
481 netdev_err(netdev, "could not get any statistics\n");
482 return;
483 }
484
485 h->ae_algo->ops->update_stats(h, &netdev->stats);
486
487
488 p = hns3_get_stats_tqps(h, p);
489
490
491 h->ae_algo->ops->get_stats(h, p);
492}
493
494static void hns3_get_drvinfo(struct net_device *netdev,
495 struct ethtool_drvinfo *drvinfo)
496{
497 struct hns3_nic_priv *priv = netdev_priv(netdev);
498 struct hnae3_handle *h = priv->ae_handle;
499
500 strncpy(drvinfo->version, hns3_driver_version,
501 sizeof(drvinfo->version));
502 drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
503
504 strncpy(drvinfo->driver, h->pdev->driver->name,
505 sizeof(drvinfo->driver));
506 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
507
508 strncpy(drvinfo->bus_info, pci_name(h->pdev),
509 sizeof(drvinfo->bus_info));
510 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
511
512 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "0x%08x",
513 priv->ae_handle->ae_algo->ops->get_fw_version(h));
514}
515
516static u32 hns3_get_link(struct net_device *netdev)
517{
518 struct hnae3_handle *h = hns3_get_handle(netdev);
519
520 if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_status)
521 return h->ae_algo->ops->get_status(h);
522 else
523 return 0;
524}
525
526static void hns3_get_ringparam(struct net_device *netdev,
527 struct ethtool_ringparam *param)
528{
529 struct hns3_nic_priv *priv = netdev_priv(netdev);
530 struct hnae3_handle *h = priv->ae_handle;
531 int queue_num = h->kinfo.num_tqps;
532
533 param->tx_max_pending = HNS3_RING_MAX_PENDING;
534 param->rx_max_pending = HNS3_RING_MAX_PENDING;
535
536 param->tx_pending = priv->ring_data[0].ring->desc_num;
537 param->rx_pending = priv->ring_data[queue_num].ring->desc_num;
538}
539
540static void hns3_get_pauseparam(struct net_device *netdev,
541 struct ethtool_pauseparam *param)
542{
543 struct hnae3_handle *h = hns3_get_handle(netdev);
544
545 if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_pauseparam)
546 h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg,
547 ¶m->rx_pause, ¶m->tx_pause);
548}
549
550static int hns3_set_pauseparam(struct net_device *netdev,
551 struct ethtool_pauseparam *param)
552{
553 struct hnae3_handle *h = hns3_get_handle(netdev);
554
555 if (h->ae_algo->ops->set_pauseparam)
556 return h->ae_algo->ops->set_pauseparam(h, param->autoneg,
557 param->rx_pause,
558 param->tx_pause);
559 return -EOPNOTSUPP;
560}
561
562static void hns3_get_ksettings(struct hnae3_handle *h,
563 struct ethtool_link_ksettings *cmd)
564{
565 const struct hnae3_ae_ops *ops = h->ae_algo->ops;
566
567
568 if (ops->get_ksettings_an_result)
569 ops->get_ksettings_an_result(h,
570 &cmd->base.autoneg,
571 &cmd->base.speed,
572 &cmd->base.duplex);
573
574
575 if (ops->get_link_mode)
576 ops->get_link_mode(h,
577 cmd->link_modes.supported,
578 cmd->link_modes.advertising);
579
580
581 if (ops->get_mdix_mode)
582 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl,
583 &cmd->base.eth_tp_mdix);
584}
585
586static int hns3_get_link_ksettings(struct net_device *netdev,
587 struct ethtool_link_ksettings *cmd)
588{
589 struct hnae3_handle *h = hns3_get_handle(netdev);
590 const struct hnae3_ae_ops *ops;
591 u8 media_type;
592 u8 link_stat;
593
594 if (!h->ae_algo || !h->ae_algo->ops)
595 return -EOPNOTSUPP;
596
597 ops = h->ae_algo->ops;
598 if (ops->get_media_type)
599 ops->get_media_type(h, &media_type);
600 else
601 return -EOPNOTSUPP;
602
603 switch (media_type) {
604 case HNAE3_MEDIA_TYPE_NONE:
605 cmd->base.port = PORT_NONE;
606 hns3_get_ksettings(h, cmd);
607 break;
608 case HNAE3_MEDIA_TYPE_FIBER:
609 cmd->base.port = PORT_FIBRE;
610 hns3_get_ksettings(h, cmd);
611 break;
612 case HNAE3_MEDIA_TYPE_COPPER:
613 if (!netdev->phydev)
614 return -EOPNOTSUPP;
615
616 cmd->base.port = PORT_TP;
617 phy_ethtool_ksettings_get(netdev->phydev, cmd);
618
619 break;
620 default:
621
622 netdev_warn(netdev, "Unknown media type");
623 return 0;
624 }
625
626
627 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
628
629 link_stat = hns3_get_link(netdev);
630 if (!link_stat) {
631 cmd->base.speed = SPEED_UNKNOWN;
632 cmd->base.duplex = DUPLEX_UNKNOWN;
633 }
634
635 return 0;
636}
637
638static int hns3_set_link_ksettings(struct net_device *netdev,
639 const struct ethtool_link_ksettings *cmd)
640{
641
642 if (netdev->phydev)
643 return phy_ethtool_ksettings_set(netdev->phydev, cmd);
644
645 return -EOPNOTSUPP;
646}
647
648static u32 hns3_get_rss_key_size(struct net_device *netdev)
649{
650 struct hnae3_handle *h = hns3_get_handle(netdev);
651
652 if (!h->ae_algo || !h->ae_algo->ops ||
653 !h->ae_algo->ops->get_rss_key_size)
654 return 0;
655
656 return h->ae_algo->ops->get_rss_key_size(h);
657}
658
659static u32 hns3_get_rss_indir_size(struct net_device *netdev)
660{
661 struct hnae3_handle *h = hns3_get_handle(netdev);
662
663 if (!h->ae_algo || !h->ae_algo->ops ||
664 !h->ae_algo->ops->get_rss_indir_size)
665 return 0;
666
667 return h->ae_algo->ops->get_rss_indir_size(h);
668}
669
670static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key,
671 u8 *hfunc)
672{
673 struct hnae3_handle *h = hns3_get_handle(netdev);
674
675 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss)
676 return -EOPNOTSUPP;
677
678 return h->ae_algo->ops->get_rss(h, indir, key, hfunc);
679}
680
681static int hns3_set_rss(struct net_device *netdev, const u32 *indir,
682 const u8 *key, const u8 hfunc)
683{
684 struct hnae3_handle *h = hns3_get_handle(netdev);
685
686 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss)
687 return -EOPNOTSUPP;
688
689
690 if ((hfunc != ETH_RSS_HASH_NO_CHANGE) && (hfunc != ETH_RSS_HASH_TOP)) {
691 netdev_err(netdev,
692 "hash func not supported (only Toeplitz hash)\n");
693 return -EOPNOTSUPP;
694 }
695 if (!indir) {
696 netdev_err(netdev,
697 "set rss failed for indir is empty\n");
698 return -EOPNOTSUPP;
699 }
700
701 return h->ae_algo->ops->set_rss(h, indir, key, hfunc);
702}
703
704static int hns3_get_rxnfc(struct net_device *netdev,
705 struct ethtool_rxnfc *cmd,
706 u32 *rule_locs)
707{
708 struct hnae3_handle *h = hns3_get_handle(netdev);
709
710 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss_tuple)
711 return -EOPNOTSUPP;
712
713 switch (cmd->cmd) {
714 case ETHTOOL_GRXRINGS:
715 cmd->data = h->kinfo.rss_size;
716 break;
717 case ETHTOOL_GRXFH:
718 return h->ae_algo->ops->get_rss_tuple(h, cmd);
719 default:
720 return -EOPNOTSUPP;
721 }
722
723 return 0;
724}
725
726static int hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv,
727 u32 new_desc_num)
728{
729 struct hnae3_handle *h = priv->ae_handle;
730 int i;
731
732 h->kinfo.num_desc = new_desc_num;
733
734 for (i = 0; i < h->kinfo.num_tqps * 2; i++)
735 priv->ring_data[i].ring->desc_num = new_desc_num;
736
737 return hns3_init_all_ring(priv);
738}
739
740static int hns3_set_ringparam(struct net_device *ndev,
741 struct ethtool_ringparam *param)
742{
743 struct hns3_nic_priv *priv = netdev_priv(ndev);
744 struct hnae3_handle *h = priv->ae_handle;
745 bool if_running = netif_running(ndev);
746 u32 old_desc_num, new_desc_num;
747 int ret;
748
749 if (param->rx_mini_pending || param->rx_jumbo_pending)
750 return -EINVAL;
751
752 if (param->tx_pending != param->rx_pending) {
753 netdev_err(ndev,
754 "Descriptors of tx and rx must be equal");
755 return -EINVAL;
756 }
757
758 if (param->tx_pending > HNS3_RING_MAX_PENDING ||
759 param->tx_pending < HNS3_RING_MIN_PENDING) {
760 netdev_err(ndev,
761 "Descriptors requested (Tx/Rx: %d) out of range [%d-%d]\n",
762 param->tx_pending, HNS3_RING_MIN_PENDING,
763 HNS3_RING_MAX_PENDING);
764 return -EINVAL;
765 }
766
767 new_desc_num = param->tx_pending;
768
769
770 new_desc_num = ALIGN(new_desc_num, HNS3_RING_BD_MULTIPLE);
771 old_desc_num = h->kinfo.num_desc;
772 if (old_desc_num == new_desc_num)
773 return 0;
774
775 netdev_info(ndev,
776 "Changing descriptor count from %d to %d.\n",
777 old_desc_num, new_desc_num);
778
779 if (if_running)
780 dev_close(ndev);
781
782 ret = hns3_uninit_all_ring(priv);
783 if (ret)
784 return ret;
785
786 ret = hns3_change_all_ring_bd_num(priv, new_desc_num);
787 if (ret) {
788 ret = hns3_change_all_ring_bd_num(priv, old_desc_num);
789 if (ret) {
790 netdev_err(ndev,
791 "Revert to old bd num fail, ret=%d.\n", ret);
792 return ret;
793 }
794 }
795
796 if (if_running)
797 ret = dev_open(ndev, NULL);
798
799 return ret;
800}
801
802static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
803{
804 struct hnae3_handle *h = hns3_get_handle(netdev);
805
806 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss_tuple)
807 return -EOPNOTSUPP;
808
809 switch (cmd->cmd) {
810 case ETHTOOL_SRXFH:
811 return h->ae_algo->ops->set_rss_tuple(h, cmd);
812 default:
813 return -EOPNOTSUPP;
814 }
815}
816
817static int hns3_nway_reset(struct net_device *netdev)
818{
819 struct phy_device *phy = netdev->phydev;
820
821 if (!netif_running(netdev))
822 return 0;
823
824
825 if (!phy)
826 return -EOPNOTSUPP;
827
828 if (phy->autoneg != AUTONEG_ENABLE)
829 return -EINVAL;
830
831 return genphy_restart_aneg(phy);
832}
833
834static void hns3_get_channels(struct net_device *netdev,
835 struct ethtool_channels *ch)
836{
837 struct hnae3_handle *h = hns3_get_handle(netdev);
838
839 if (h->ae_algo->ops->get_channels)
840 h->ae_algo->ops->get_channels(h, ch);
841}
842
843static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue,
844 struct ethtool_coalesce *cmd)
845{
846 struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
847 struct hns3_nic_priv *priv = netdev_priv(netdev);
848 struct hnae3_handle *h = priv->ae_handle;
849 u16 queue_num = h->kinfo.num_tqps;
850
851 if (queue >= queue_num) {
852 netdev_err(netdev,
853 "Invalid queue value %d! Queue max id=%d\n",
854 queue, queue_num - 1);
855 return -EINVAL;
856 }
857
858 tx_vector = priv->ring_data[queue].ring->tqp_vector;
859 rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector;
860
861 cmd->use_adaptive_tx_coalesce =
862 tx_vector->tx_group.coal.gl_adapt_enable;
863 cmd->use_adaptive_rx_coalesce =
864 rx_vector->rx_group.coal.gl_adapt_enable;
865
866 cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl;
867 cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl;
868
869 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting;
870 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting;
871
872 return 0;
873}
874
875static int hns3_get_coalesce(struct net_device *netdev,
876 struct ethtool_coalesce *cmd)
877{
878 return hns3_get_coalesce_per_queue(netdev, 0, cmd);
879}
880
881static int hns3_check_gl_coalesce_para(struct net_device *netdev,
882 struct ethtool_coalesce *cmd)
883{
884 u32 rx_gl, tx_gl;
885
886 if (cmd->rx_coalesce_usecs > HNS3_INT_GL_MAX) {
887 netdev_err(netdev,
888 "Invalid rx-usecs value, rx-usecs range is 0-%d\n",
889 HNS3_INT_GL_MAX);
890 return -EINVAL;
891 }
892
893 if (cmd->tx_coalesce_usecs > HNS3_INT_GL_MAX) {
894 netdev_err(netdev,
895 "Invalid tx-usecs value, tx-usecs range is 0-%d\n",
896 HNS3_INT_GL_MAX);
897 return -EINVAL;
898 }
899
900 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs);
901 if (rx_gl != cmd->rx_coalesce_usecs) {
902 netdev_info(netdev,
903 "rx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n",
904 cmd->rx_coalesce_usecs, rx_gl);
905 }
906
907 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs);
908 if (tx_gl != cmd->tx_coalesce_usecs) {
909 netdev_info(netdev,
910 "tx_usecs(%d) rounded down to %d, because it must be multiple of 2.\n",
911 cmd->tx_coalesce_usecs, tx_gl);
912 }
913
914 return 0;
915}
916
917static int hns3_check_rl_coalesce_para(struct net_device *netdev,
918 struct ethtool_coalesce *cmd)
919{
920 u32 rl;
921
922 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) {
923 netdev_err(netdev,
924 "tx_usecs_high must be same as rx_usecs_high.\n");
925 return -EINVAL;
926 }
927
928 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) {
929 netdev_err(netdev,
930 "Invalid usecs_high value, usecs_high range is 0-%d\n",
931 HNS3_INT_RL_MAX);
932 return -EINVAL;
933 }
934
935 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
936 if (rl != cmd->rx_coalesce_usecs_high) {
937 netdev_info(netdev,
938 "usecs_high(%d) rounded down to %d, because it must be multiple of 4.\n",
939 cmd->rx_coalesce_usecs_high, rl);
940 }
941
942 return 0;
943}
944
945static int hns3_check_coalesce_para(struct net_device *netdev,
946 struct ethtool_coalesce *cmd)
947{
948 int ret;
949
950 ret = hns3_check_gl_coalesce_para(netdev, cmd);
951 if (ret) {
952 netdev_err(netdev,
953 "Check gl coalesce param fail. ret = %d\n", ret);
954 return ret;
955 }
956
957 ret = hns3_check_rl_coalesce_para(netdev, cmd);
958 if (ret) {
959 netdev_err(netdev,
960 "Check rl coalesce param fail. ret = %d\n", ret);
961 return ret;
962 }
963
964 if (cmd->use_adaptive_tx_coalesce == 1 ||
965 cmd->use_adaptive_rx_coalesce == 1) {
966 netdev_info(netdev,
967 "adaptive-tx=%d and adaptive-rx=%d, tx_usecs or rx_usecs will changed dynamically.\n",
968 cmd->use_adaptive_tx_coalesce,
969 cmd->use_adaptive_rx_coalesce);
970 }
971
972 return 0;
973}
974
975static void hns3_set_coalesce_per_queue(struct net_device *netdev,
976 struct ethtool_coalesce *cmd,
977 u32 queue)
978{
979 struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
980 struct hns3_nic_priv *priv = netdev_priv(netdev);
981 struct hnae3_handle *h = priv->ae_handle;
982 int queue_num = h->kinfo.num_tqps;
983
984 tx_vector = priv->ring_data[queue].ring->tqp_vector;
985 rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector;
986
987 tx_vector->tx_group.coal.gl_adapt_enable =
988 cmd->use_adaptive_tx_coalesce;
989 rx_vector->rx_group.coal.gl_adapt_enable =
990 cmd->use_adaptive_rx_coalesce;
991
992 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs;
993 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs;
994
995 hns3_set_vector_coalesce_tx_gl(tx_vector,
996 tx_vector->tx_group.coal.int_gl);
997 hns3_set_vector_coalesce_rx_gl(rx_vector,
998 rx_vector->rx_group.coal.int_gl);
999
1000 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting);
1001 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting);
1002}
1003
1004static int hns3_set_coalesce(struct net_device *netdev,
1005 struct ethtool_coalesce *cmd)
1006{
1007 struct hnae3_handle *h = hns3_get_handle(netdev);
1008 u16 queue_num = h->kinfo.num_tqps;
1009 int ret;
1010 int i;
1011
1012 ret = hns3_check_coalesce_para(netdev, cmd);
1013 if (ret)
1014 return ret;
1015
1016 h->kinfo.int_rl_setting =
1017 hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
1018
1019 for (i = 0; i < queue_num; i++)
1020 hns3_set_coalesce_per_queue(netdev, cmd, i);
1021
1022 return 0;
1023}
1024
1025static int hns3_get_regs_len(struct net_device *netdev)
1026{
1027 struct hnae3_handle *h = hns3_get_handle(netdev);
1028
1029 if (!h->ae_algo->ops->get_regs_len)
1030 return -EOPNOTSUPP;
1031
1032 return h->ae_algo->ops->get_regs_len(h);
1033}
1034
1035static void hns3_get_regs(struct net_device *netdev,
1036 struct ethtool_regs *cmd, void *data)
1037{
1038 struct hnae3_handle *h = hns3_get_handle(netdev);
1039
1040 if (!h->ae_algo->ops->get_regs)
1041 return;
1042
1043 h->ae_algo->ops->get_regs(h, &cmd->version, data);
1044}
1045
1046static int hns3_set_phys_id(struct net_device *netdev,
1047 enum ethtool_phys_id_state state)
1048{
1049 struct hnae3_handle *h = hns3_get_handle(netdev);
1050
1051 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_led_id)
1052 return -EOPNOTSUPP;
1053
1054 return h->ae_algo->ops->set_led_id(h, state);
1055}
1056
1057static const struct ethtool_ops hns3vf_ethtool_ops = {
1058 .get_drvinfo = hns3_get_drvinfo,
1059 .get_ringparam = hns3_get_ringparam,
1060 .set_ringparam = hns3_set_ringparam,
1061 .get_strings = hns3_get_strings,
1062 .get_ethtool_stats = hns3_get_stats,
1063 .get_sset_count = hns3_get_sset_count,
1064 .get_rxnfc = hns3_get_rxnfc,
1065 .get_rxfh_key_size = hns3_get_rss_key_size,
1066 .get_rxfh_indir_size = hns3_get_rss_indir_size,
1067 .get_rxfh = hns3_get_rss,
1068 .set_rxfh = hns3_set_rss,
1069 .get_link_ksettings = hns3_get_link_ksettings,
1070 .get_channels = hns3_get_channels,
1071 .get_coalesce = hns3_get_coalesce,
1072 .set_coalesce = hns3_set_coalesce,
1073 .get_link = hns3_get_link,
1074};
1075
1076static const struct ethtool_ops hns3_ethtool_ops = {
1077 .self_test = hns3_self_test,
1078 .get_drvinfo = hns3_get_drvinfo,
1079 .get_link = hns3_get_link,
1080 .get_ringparam = hns3_get_ringparam,
1081 .set_ringparam = hns3_set_ringparam,
1082 .get_pauseparam = hns3_get_pauseparam,
1083 .set_pauseparam = hns3_set_pauseparam,
1084 .get_strings = hns3_get_strings,
1085 .get_ethtool_stats = hns3_get_stats,
1086 .get_sset_count = hns3_get_sset_count,
1087 .get_rxnfc = hns3_get_rxnfc,
1088 .set_rxnfc = hns3_set_rxnfc,
1089 .get_rxfh_key_size = hns3_get_rss_key_size,
1090 .get_rxfh_indir_size = hns3_get_rss_indir_size,
1091 .get_rxfh = hns3_get_rss,
1092 .set_rxfh = hns3_set_rss,
1093 .get_link_ksettings = hns3_get_link_ksettings,
1094 .set_link_ksettings = hns3_set_link_ksettings,
1095 .nway_reset = hns3_nway_reset,
1096 .get_channels = hns3_get_channels,
1097 .set_channels = hns3_set_channels,
1098 .get_coalesce = hns3_get_coalesce,
1099 .set_coalesce = hns3_set_coalesce,
1100 .get_regs_len = hns3_get_regs_len,
1101 .get_regs = hns3_get_regs,
1102 .set_phys_id = hns3_set_phys_id,
1103};
1104
1105void hns3_ethtool_set_ops(struct net_device *netdev)
1106{
1107 struct hnae3_handle *h = hns3_get_handle(netdev);
1108
1109 if (h->flags & HNAE3_SUPPORT_VF)
1110 netdev->ethtool_ops = &hns3vf_ethtool_ops;
1111 else
1112 netdev->ethtool_ops = &hns3_ethtool_ops;
1113}
1114
