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WIP FPC-III support
[linux/fpc-iii.git] / drivers / net / ethernet / hisilicon / hns3 / hns3_ethtool.c
blobe2fc443fe92ca1bcc0e3696567492bd5e0a0c844
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%d_",
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
646 if (h->ae_algo->ops->get_pauseparam)
647 h->ae_algo->ops->get_pauseparam(h, &param->autoneg,
648 &param->rx_pause, &param->tx_pause);
649 }
650
651 static int hns3_set_pauseparam(struct net_device *netdev,
652 struct ethtool_pauseparam *param)
653 {
654 struct hnae3_handle *h = hns3_get_handle(netdev);
655
656 netif_dbg(h, drv, netdev,
657 "set pauseparam: autoneg=%u, rx:%u, tx:%u\n",
658 param->autoneg, param->rx_pause, param->tx_pause);
659
660 if (h->ae_algo->ops->set_pauseparam)
661 return h->ae_algo->ops->set_pauseparam(h, param->autoneg,
662 param->rx_pause,
663 param->tx_pause);
664 return -EOPNOTSUPP;
665 }
666
667 static void hns3_get_ksettings(struct hnae3_handle *h,
668 struct ethtool_link_ksettings *cmd)
669 {
670 const struct hnae3_ae_ops *ops = h->ae_algo->ops;
671
672 /* 1.auto_neg & speed & duplex from cmd */
673 if (ops->get_ksettings_an_result)
674 ops->get_ksettings_an_result(h,
675 &cmd->base.autoneg,
676 &cmd->base.speed,
677 &cmd->base.duplex);
678
679 /* 2.get link mode */
680 if (ops->get_link_mode)
681 ops->get_link_mode(h,
682 cmd->link_modes.supported,
683 cmd->link_modes.advertising);
684
685 /* 3.mdix_ctrl&mdix get from phy reg */
686 if (ops->get_mdix_mode)
687 ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl,
688 &cmd->base.eth_tp_mdix);
689 }
690
691 static int hns3_get_link_ksettings(struct net_device *netdev,
692 struct ethtool_link_ksettings *cmd)
693 {
694 struct hnae3_handle *h = hns3_get_handle(netdev);
695 const struct hnae3_ae_ops *ops;
696 u8 module_type;
697 u8 media_type;
698 u8 link_stat;
699
700 ops = h->ae_algo->ops;
701 if (ops->get_media_type)
702 ops->get_media_type(h, &media_type, &module_type);
703 else
704 return -EOPNOTSUPP;
705
706 switch (media_type) {
707 case HNAE3_MEDIA_TYPE_NONE:
708 cmd->base.port = PORT_NONE;
709 hns3_get_ksettings(h, cmd);
710 break;
711 case HNAE3_MEDIA_TYPE_FIBER:
712 if (module_type == HNAE3_MODULE_TYPE_CR)
713 cmd->base.port = PORT_DA;
714 else
715 cmd->base.port = PORT_FIBRE;
716
717 hns3_get_ksettings(h, cmd);
718 break;
719 case HNAE3_MEDIA_TYPE_BACKPLANE:
720 cmd->base.port = PORT_NONE;
721 hns3_get_ksettings(h, cmd);
722 break;
723 case HNAE3_MEDIA_TYPE_COPPER:
724 cmd->base.port = PORT_TP;
725 if (!netdev->phydev)
726 hns3_get_ksettings(h, cmd);
727 else
728 phy_ethtool_ksettings_get(netdev->phydev, cmd);
729 break;
730 default:
731
732 netdev_warn(netdev, "Unknown media type");
733 return 0;
734 }
735
736 /* mdio_support */
737 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
738
739 link_stat = hns3_get_link(netdev);
740 if (!link_stat) {
741 cmd->base.speed = SPEED_UNKNOWN;
742 cmd->base.duplex = DUPLEX_UNKNOWN;
743 }
744
745 return 0;
746 }
747
748 static int hns3_check_ksettings_param(const struct net_device *netdev,
749 const struct ethtool_link_ksettings *cmd)
750 {
751 struct hnae3_handle *handle = hns3_get_handle(netdev);
752 const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
753 u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN;
754 u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN;
755 u8 autoneg;
756 u32 speed;
757 u8 duplex;
758 int ret;
759
760 /* hw doesn't support use specified speed and duplex to negotiate,
761 * unnecessary to check them when autoneg on.
762 */
763 if (cmd->base.autoneg)
764 return 0;
765
766 if (ops->get_ksettings_an_result) {
767 ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex);
768 if (cmd->base.autoneg == autoneg && cmd->base.speed == speed &&
769 cmd->base.duplex == duplex)
770 return 0;
771 }
772
773 if (ops->get_media_type)
774 ops->get_media_type(handle, &media_type, &module_type);
775
776 if (cmd->base.duplex == DUPLEX_HALF &&
777 media_type != HNAE3_MEDIA_TYPE_COPPER) {
778 netdev_err(netdev,
779 "only copper port supports half duplex!");
780 return -EINVAL;
781 }
782
783 if (ops->check_port_speed) {
784 ret = ops->check_port_speed(handle, cmd->base.speed);
785 if (ret) {
786 netdev_err(netdev, "unsupported speed\n");
787 return ret;
788 }
789 }
790
791 return 0;
792 }
793
794 static int hns3_set_link_ksettings(struct net_device *netdev,
795 const struct ethtool_link_ksettings *cmd)
796 {
797 struct hnae3_handle *handle = hns3_get_handle(netdev);
798 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
799 const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
800 int ret;
801
802 /* Chip don't support this mode. */
803 if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
804 return -EINVAL;
805
806 netif_dbg(handle, drv, netdev,
807 "set link(%s): autoneg=%u, speed=%u, duplex=%u\n",
808 netdev->phydev ? "phy" : "mac",
809 cmd->base.autoneg, cmd->base.speed, cmd->base.duplex);
810
811 /* Only support ksettings_set for netdev with phy attached for now */
812 if (netdev->phydev) {
813 if (cmd->base.speed == SPEED_1000 &&
814 cmd->base.autoneg == AUTONEG_DISABLE)
815 return -EINVAL;
816
817 return phy_ethtool_ksettings_set(netdev->phydev, cmd);
818 }
819
820 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
821 return -EOPNOTSUPP;
822
823 ret = hns3_check_ksettings_param(netdev, cmd);
824 if (ret)
825 return ret;
826
827 if (ops->set_autoneg) {
828 ret = ops->set_autoneg(handle, cmd->base.autoneg);
829 if (ret)
830 return ret;
831 }
832
833 /* hw doesn't support use specified speed and duplex to negotiate,
834 * ignore them when autoneg on.
835 */
836 if (cmd->base.autoneg) {
837 netdev_info(netdev,
838 "autoneg is on, ignore the speed and duplex\n");
839 return 0;
840 }
841
842 if (ops->cfg_mac_speed_dup_h)
843 ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed,
844 cmd->base.duplex);
845
846 return ret;
847 }
848
849 static u32 hns3_get_rss_key_size(struct net_device *netdev)
850 {
851 struct hnae3_handle *h = hns3_get_handle(netdev);
852
853 if (!h->ae_algo->ops->get_rss_key_size)
854 return 0;
855
856 return h->ae_algo->ops->get_rss_key_size(h);
857 }
858
859 static u32 hns3_get_rss_indir_size(struct net_device *netdev)
860 {
861 struct hnae3_handle *h = hns3_get_handle(netdev);
862
863 if (!h->ae_algo->ops->get_rss_indir_size)
864 return 0;
865
866 return h->ae_algo->ops->get_rss_indir_size(h);
867 }
868
869 static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key,
870 u8 *hfunc)
871 {
872 struct hnae3_handle *h = hns3_get_handle(netdev);
873
874 if (!h->ae_algo->ops->get_rss)
875 return -EOPNOTSUPP;
876
877 return h->ae_algo->ops->get_rss(h, indir, key, hfunc);
878 }
879
880 static int hns3_set_rss(struct net_device *netdev, const u32 *indir,
881 const u8 *key, const u8 hfunc)
882 {
883 struct hnae3_handle *h = hns3_get_handle(netdev);
884 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
885
886 if (!h->ae_algo->ops->set_rss)
887 return -EOPNOTSUPP;
888
889 if ((ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 &&
890 hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE &&
891 hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) {
892 netdev_err(netdev, "hash func not supported\n");
893 return -EOPNOTSUPP;
894 }
895
896 if (!indir) {
897 netdev_err(netdev,
898 "set rss failed for indir is empty\n");
899 return -EOPNOTSUPP;
900 }
901
902 return h->ae_algo->ops->set_rss(h, indir, key, hfunc);
903 }
904
905 static int hns3_get_rxnfc(struct net_device *netdev,
906 struct ethtool_rxnfc *cmd,
907 u32 *rule_locs)
908 {
909 struct hnae3_handle *h = hns3_get_handle(netdev);
910
911 switch (cmd->cmd) {
912 case ETHTOOL_GRXRINGS:
913 cmd->data = h->kinfo.num_tqps;
914 return 0;
915 case ETHTOOL_GRXFH:
916 if (h->ae_algo->ops->get_rss_tuple)
917 return h->ae_algo->ops->get_rss_tuple(h, cmd);
918 return -EOPNOTSUPP;
919 case ETHTOOL_GRXCLSRLCNT:
920 if (h->ae_algo->ops->get_fd_rule_cnt)
921 return h->ae_algo->ops->get_fd_rule_cnt(h, cmd);
922 return -EOPNOTSUPP;
923 case ETHTOOL_GRXCLSRULE:
924 if (h->ae_algo->ops->get_fd_rule_info)
925 return h->ae_algo->ops->get_fd_rule_info(h, cmd);
926 return -EOPNOTSUPP;
927 case ETHTOOL_GRXCLSRLALL:
928 if (h->ae_algo->ops->get_fd_all_rules)
929 return h->ae_algo->ops->get_fd_all_rules(h, cmd,
930 rule_locs);
931 return -EOPNOTSUPP;
932 default:
933 return -EOPNOTSUPP;
934 }
935 }
936
937 static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv,
938 u32 tx_desc_num, u32 rx_desc_num)
939 {
940 struct hnae3_handle *h = priv->ae_handle;
941 int i;
942
943 h->kinfo.num_tx_desc = tx_desc_num;
944 h->kinfo.num_rx_desc = rx_desc_num;
945
946 for (i = 0; i < h->kinfo.num_tqps; i++) {
947 priv->ring[i].desc_num = tx_desc_num;
948 priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num;
949 }
950 }
951
952 static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv)
953 {
954 struct hnae3_handle *handle = priv->ae_handle;
955 struct hns3_enet_ring *tmp_rings;
956 int i;
957
958 tmp_rings = kcalloc(handle->kinfo.num_tqps * 2,
959 sizeof(struct hns3_enet_ring), GFP_KERNEL);
960 if (!tmp_rings)
961 return NULL;
962
963 for (i = 0; i < handle->kinfo.num_tqps * 2; i++) {
964 memcpy(&tmp_rings[i], &priv->ring[i],
965 sizeof(struct hns3_enet_ring));
966 tmp_rings[i].skb = NULL;
967 }
968
969 return tmp_rings;
970 }
971
972 static int hns3_check_ringparam(struct net_device *ndev,
973 struct ethtool_ringparam *param)
974 {
975 if (hns3_nic_resetting(ndev))
976 return -EBUSY;
977
978 if (param->rx_mini_pending || param->rx_jumbo_pending)
979 return -EINVAL;
980
981 if (param->tx_pending > HNS3_RING_MAX_PENDING ||
982 param->tx_pending < HNS3_RING_MIN_PENDING ||
983 param->rx_pending > HNS3_RING_MAX_PENDING ||
984 param->rx_pending < HNS3_RING_MIN_PENDING) {
985 netdev_err(ndev, "Queue depth out of range [%d-%d]\n",
986 HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING);
987 return -EINVAL;
988 }
989
990 return 0;
991 }
992
993 static int hns3_set_ringparam(struct net_device *ndev,
994 struct ethtool_ringparam *param)
995 {
996 struct hns3_nic_priv *priv = netdev_priv(ndev);
997 struct hnae3_handle *h = priv->ae_handle;
998 struct hns3_enet_ring *tmp_rings;
999 bool if_running = netif_running(ndev);
1000 u32 old_tx_desc_num, new_tx_desc_num;
1001 u32 old_rx_desc_num, new_rx_desc_num;
1002 u16 queue_num = h->kinfo.num_tqps;
1003 int ret, i;
1004
1005 ret = hns3_check_ringparam(ndev, param);
1006 if (ret)
1007 return ret;
1008
1009 /* Hardware requires that its descriptors must be multiple of eight */
1010 new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE);
1011 new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE);
1012 old_tx_desc_num = priv->ring[0].desc_num;
1013 old_rx_desc_num = priv->ring[queue_num].desc_num;
1014 if (old_tx_desc_num == new_tx_desc_num &&
1015 old_rx_desc_num == new_rx_desc_num)
1016 return 0;
1017
1018 tmp_rings = hns3_backup_ringparam(priv);
1019 if (!tmp_rings) {
1020 netdev_err(ndev,
1021 "backup ring param failed by allocating memory fail\n");
1022 return -ENOMEM;
1023 }
1024
1025 netdev_info(ndev,
1026 "Changing Tx/Rx ring depth from %u/%u to %u/%u\n",
1027 old_tx_desc_num, old_rx_desc_num,
1028 new_tx_desc_num, new_rx_desc_num);
1029
1030 if (if_running)
1031 ndev->netdev_ops->ndo_stop(ndev);
1032
1033 hns3_change_all_ring_bd_num(priv, new_tx_desc_num, new_rx_desc_num);
1034 ret = hns3_init_all_ring(priv);
1035 if (ret) {
1036 netdev_err(ndev, "Change bd num fail, revert to old value(%d)\n",
1037 ret);
1038
1039 hns3_change_all_ring_bd_num(priv, old_tx_desc_num,
1040 old_rx_desc_num);
1041 for (i = 0; i < h->kinfo.num_tqps * 2; i++)
1042 memcpy(&priv->ring[i], &tmp_rings[i],
1043 sizeof(struct hns3_enet_ring));
1044 } else {
1045 for (i = 0; i < h->kinfo.num_tqps * 2; i++)
1046 hns3_fini_ring(&tmp_rings[i]);
1047 }
1048
1049 kfree(tmp_rings);
1050
1051 if (if_running)
1052 ret = ndev->netdev_ops->ndo_open(ndev);
1053
1054 return ret;
1055 }
1056
1057 static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1058 {
1059 struct hnae3_handle *h = hns3_get_handle(netdev);
1060
1061 switch (cmd->cmd) {
1062 case ETHTOOL_SRXFH:
1063 if (h->ae_algo->ops->set_rss_tuple)
1064 return h->ae_algo->ops->set_rss_tuple(h, cmd);
1065 return -EOPNOTSUPP;
1066 case ETHTOOL_SRXCLSRLINS:
1067 if (h->ae_algo->ops->add_fd_entry)
1068 return h->ae_algo->ops->add_fd_entry(h, cmd);
1069 return -EOPNOTSUPP;
1070 case ETHTOOL_SRXCLSRLDEL:
1071 if (h->ae_algo->ops->del_fd_entry)
1072 return h->ae_algo->ops->del_fd_entry(h, cmd);
1073 return -EOPNOTSUPP;
1074 default:
1075 return -EOPNOTSUPP;
1076 }
1077 }
1078
1079 static int hns3_nway_reset(struct net_device *netdev)
1080 {
1081 struct hnae3_handle *handle = hns3_get_handle(netdev);
1082 const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1083 struct phy_device *phy = netdev->phydev;
1084 int autoneg;
1085
1086 if (!netif_running(netdev))
1087 return 0;
1088
1089 if (hns3_nic_resetting(netdev)) {
1090 netdev_err(netdev, "dev resetting!");
1091 return -EBUSY;
1092 }
1093
1094 if (!ops->get_autoneg || !ops->restart_autoneg)
1095 return -EOPNOTSUPP;
1096
1097 autoneg = ops->get_autoneg(handle);
1098 if (autoneg != AUTONEG_ENABLE) {
1099 netdev_err(netdev,
1100 "Autoneg is off, don't support to restart it\n");
1101 return -EINVAL;
1102 }
1103
1104 netif_dbg(handle, drv, netdev,
1105 "nway reset (using %s)\n", phy ? "phy" : "mac");
1106
1107 if (phy)
1108 return genphy_restart_aneg(phy);
1109
1110 return ops->restart_autoneg(handle);
1111 }
1112
1113 static void hns3_get_channels(struct net_device *netdev,
1114 struct ethtool_channels *ch)
1115 {
1116 struct hnae3_handle *h = hns3_get_handle(netdev);
1117
1118 if (h->ae_algo->ops->get_channels)
1119 h->ae_algo->ops->get_channels(h, ch);
1120 }
1121
1122 static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue,
1123 struct ethtool_coalesce *cmd)
1124 {
1125 struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
1126 struct hns3_nic_priv *priv = netdev_priv(netdev);
1127 struct hnae3_handle *h = priv->ae_handle;
1128 u16 queue_num = h->kinfo.num_tqps;
1129
1130 if (hns3_nic_resetting(netdev))
1131 return -EBUSY;
1132
1133 if (queue >= queue_num) {
1134 netdev_err(netdev,
1135 "Invalid queue value %u! Queue max id=%u\n",
1136 queue, queue_num - 1);
1137 return -EINVAL;
1138 }
1139
1140 tx_vector = priv->ring[queue].tqp_vector;
1141 rx_vector = priv->ring[queue_num + queue].tqp_vector;
1142
1143 cmd->use_adaptive_tx_coalesce =
1144 tx_vector->tx_group.coal.adapt_enable;
1145 cmd->use_adaptive_rx_coalesce =
1146 rx_vector->rx_group.coal.adapt_enable;
1147
1148 cmd->tx_coalesce_usecs = tx_vector->tx_group.coal.int_gl;
1149 cmd->rx_coalesce_usecs = rx_vector->rx_group.coal.int_gl;
1150
1151 cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting;
1152 cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting;
1153
1154 cmd->tx_max_coalesced_frames = tx_vector->tx_group.coal.int_ql;
1155 cmd->rx_max_coalesced_frames = rx_vector->rx_group.coal.int_ql;
1156
1157 return 0;
1158 }
1159
1160 static int hns3_get_coalesce(struct net_device *netdev,
1161 struct ethtool_coalesce *cmd)
1162 {
1163 return hns3_get_coalesce_per_queue(netdev, 0, cmd);
1164 }
1165
1166 static int hns3_check_gl_coalesce_para(struct net_device *netdev,
1167 struct ethtool_coalesce *cmd)
1168 {
1169 struct hnae3_handle *handle = hns3_get_handle(netdev);
1170 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1171 u32 rx_gl, tx_gl;
1172
1173 if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
1174 netdev_err(netdev,
1175 "invalid rx-usecs value, rx-usecs range is 0-%u\n",
1176 ae_dev->dev_specs.max_int_gl);
1177 return -EINVAL;
1178 }
1179
1180 if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
1181 netdev_err(netdev,
1182 "invalid tx-usecs value, tx-usecs range is 0-%u\n",
1183 ae_dev->dev_specs.max_int_gl);
1184 return -EINVAL;
1185 }
1186
1187 /* device version above V3(include V3), GL uses 1us unit,
1188 * so the round down is not needed.
1189 */
1190 if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3)
1191 return 0;
1192
1193 rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs);
1194 if (rx_gl != cmd->rx_coalesce_usecs) {
1195 netdev_info(netdev,
1196 "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
1197 cmd->rx_coalesce_usecs, rx_gl);
1198 }
1199
1200 tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs);
1201 if (tx_gl != cmd->tx_coalesce_usecs) {
1202 netdev_info(netdev,
1203 "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
1204 cmd->tx_coalesce_usecs, tx_gl);
1205 }
1206
1207 return 0;
1208 }
1209
1210 static int hns3_check_rl_coalesce_para(struct net_device *netdev,
1211 struct ethtool_coalesce *cmd)
1212 {
1213 u32 rl;
1214
1215 if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) {
1216 netdev_err(netdev,
1217 "tx_usecs_high must be same as rx_usecs_high.\n");
1218 return -EINVAL;
1219 }
1220
1221 if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) {
1222 netdev_err(netdev,
1223 "Invalid usecs_high value, usecs_high range is 0-%d\n",
1224 HNS3_INT_RL_MAX);
1225 return -EINVAL;
1226 }
1227
1228 rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
1229 if (rl != cmd->rx_coalesce_usecs_high) {
1230 netdev_info(netdev,
1231 "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n",
1232 cmd->rx_coalesce_usecs_high, rl);
1233 }
1234
1235 return 0;
1236 }
1237
1238 static int hns3_check_ql_coalesce_param(struct net_device *netdev,
1239 struct ethtool_coalesce *cmd)
1240 {
1241 struct hnae3_handle *handle = hns3_get_handle(netdev);
1242 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1243
1244 if ((cmd->tx_max_coalesced_frames || cmd->rx_max_coalesced_frames) &&
1245 !ae_dev->dev_specs.int_ql_max) {
1246 netdev_err(netdev, "coalesced frames is not supported\n");
1247 return -EOPNOTSUPP;
1248 }
1249
1250 if (cmd->tx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max ||
1251 cmd->rx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max) {
1252 netdev_err(netdev,
1253 "invalid coalesced_frames value, range is 0-%u\n",
1254 ae_dev->dev_specs.int_ql_max);
1255 return -ERANGE;
1256 }
1257
1258 return 0;
1259 }
1260
1261 static int hns3_check_coalesce_para(struct net_device *netdev,
1262 struct ethtool_coalesce *cmd)
1263 {
1264 int ret;
1265
1266 ret = hns3_check_gl_coalesce_para(netdev, cmd);
1267 if (ret) {
1268 netdev_err(netdev,
1269 "Check gl coalesce param fail. ret = %d\n", ret);
1270 return ret;
1271 }
1272
1273 ret = hns3_check_rl_coalesce_para(netdev, cmd);
1274 if (ret) {
1275 netdev_err(netdev,
1276 "Check rl coalesce param fail. ret = %d\n", ret);
1277 return ret;
1278 }
1279
1280 ret = hns3_check_ql_coalesce_param(netdev, cmd);
1281 if (ret)
1282 return ret;
1283
1284 if (cmd->use_adaptive_tx_coalesce == 1 ||
1285 cmd->use_adaptive_rx_coalesce == 1) {
1286 netdev_info(netdev,
1287 "adaptive-tx=%u and adaptive-rx=%u, tx_usecs or rx_usecs will changed dynamically.\n",
1288 cmd->use_adaptive_tx_coalesce,
1289 cmd->use_adaptive_rx_coalesce);
1290 }
1291
1292 return 0;
1293 }
1294
1295 static void hns3_set_coalesce_per_queue(struct net_device *netdev,
1296 struct ethtool_coalesce *cmd,
1297 u32 queue)
1298 {
1299 struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
1300 struct hns3_nic_priv *priv = netdev_priv(netdev);
1301 struct hnae3_handle *h = priv->ae_handle;
1302 int queue_num = h->kinfo.num_tqps;
1303
1304 tx_vector = priv->ring[queue].tqp_vector;
1305 rx_vector = priv->ring[queue_num + queue].tqp_vector;
1306
1307 tx_vector->tx_group.coal.adapt_enable =
1308 cmd->use_adaptive_tx_coalesce;
1309 rx_vector->rx_group.coal.adapt_enable =
1310 cmd->use_adaptive_rx_coalesce;
1311
1312 tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs;
1313 rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs;
1314
1315 tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames;
1316 rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames;
1317
1318 hns3_set_vector_coalesce_tx_gl(tx_vector,
1319 tx_vector->tx_group.coal.int_gl);
1320 hns3_set_vector_coalesce_rx_gl(rx_vector,
1321 rx_vector->rx_group.coal.int_gl);
1322
1323 hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting);
1324 hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting);
1325
1326 if (tx_vector->tx_group.coal.ql_enable)
1327 hns3_set_vector_coalesce_tx_ql(tx_vector,
1328 tx_vector->tx_group.coal.int_ql);
1329 if (rx_vector->rx_group.coal.ql_enable)
1330 hns3_set_vector_coalesce_rx_ql(rx_vector,
1331 rx_vector->rx_group.coal.int_ql);
1332 }
1333
1334 static int hns3_set_coalesce(struct net_device *netdev,
1335 struct ethtool_coalesce *cmd)
1336 {
1337 struct hnae3_handle *h = hns3_get_handle(netdev);
1338 u16 queue_num = h->kinfo.num_tqps;
1339 int ret;
1340 int i;
1341
1342 if (hns3_nic_resetting(netdev))
1343 return -EBUSY;
1344
1345 ret = hns3_check_coalesce_para(netdev, cmd);
1346 if (ret)
1347 return ret;
1348
1349 h->kinfo.int_rl_setting =
1350 hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
1351
1352 for (i = 0; i < queue_num; i++)
1353 hns3_set_coalesce_per_queue(netdev, cmd, i);
1354
1355 return 0;
1356 }
1357
1358 static int hns3_get_regs_len(struct net_device *netdev)
1359 {
1360 struct hnae3_handle *h = hns3_get_handle(netdev);
1361
1362 if (!h->ae_algo->ops->get_regs_len)
1363 return -EOPNOTSUPP;
1364
1365 return h->ae_algo->ops->get_regs_len(h);
1366 }
1367
1368 static void hns3_get_regs(struct net_device *netdev,
1369 struct ethtool_regs *cmd, void *data)
1370 {
1371 struct hnae3_handle *h = hns3_get_handle(netdev);
1372
1373 if (!h->ae_algo->ops->get_regs)
1374 return;
1375
1376 h->ae_algo->ops->get_regs(h, &cmd->version, data);
1377 }
1378
1379 static int hns3_set_phys_id(struct net_device *netdev,
1380 enum ethtool_phys_id_state state)
1381 {
1382 struct hnae3_handle *h = hns3_get_handle(netdev);
1383
1384 if (!h->ae_algo->ops->set_led_id)
1385 return -EOPNOTSUPP;
1386
1387 return h->ae_algo->ops->set_led_id(h, state);
1388 }
1389
1390 static u32 hns3_get_msglevel(struct net_device *netdev)
1391 {
1392 struct hnae3_handle *h = hns3_get_handle(netdev);
1393
1394 return h->msg_enable;
1395 }
1396
1397 static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level)
1398 {
1399 struct hnae3_handle *h = hns3_get_handle(netdev);
1400
1401 h->msg_enable = msg_level;
1402 }
1403
1404 /* Translate local fec value into ethtool value. */
1405 static unsigned int loc_to_eth_fec(u8 loc_fec)
1406 {
1407 u32 eth_fec = 0;
1408
1409 if (loc_fec & BIT(HNAE3_FEC_AUTO))
1410 eth_fec |= ETHTOOL_FEC_AUTO;
1411 if (loc_fec & BIT(HNAE3_FEC_RS))
1412 eth_fec |= ETHTOOL_FEC_RS;
1413 if (loc_fec & BIT(HNAE3_FEC_BASER))
1414 eth_fec |= ETHTOOL_FEC_BASER;
1415
1416 /* if nothing is set, then FEC is off */
1417 if (!eth_fec)
1418 eth_fec = ETHTOOL_FEC_OFF;
1419
1420 return eth_fec;
1421 }
1422
1423 /* Translate ethtool fec value into local value. */
1424 static unsigned int eth_to_loc_fec(unsigned int eth_fec)
1425 {
1426 u32 loc_fec = 0;
1427
1428 if (eth_fec & ETHTOOL_FEC_OFF)
1429 return loc_fec;
1430
1431 if (eth_fec & ETHTOOL_FEC_AUTO)
1432 loc_fec |= BIT(HNAE3_FEC_AUTO);
1433 if (eth_fec & ETHTOOL_FEC_RS)
1434 loc_fec |= BIT(HNAE3_FEC_RS);
1435 if (eth_fec & ETHTOOL_FEC_BASER)
1436 loc_fec |= BIT(HNAE3_FEC_BASER);
1437
1438 return loc_fec;
1439 }
1440
1441 static int hns3_get_fecparam(struct net_device *netdev,
1442 struct ethtool_fecparam *fec)
1443 {
1444 struct hnae3_handle *handle = hns3_get_handle(netdev);
1445 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1446 const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1447 u8 fec_ability;
1448 u8 fec_mode;
1449
1450 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
1451 return -EOPNOTSUPP;
1452
1453 if (!ops->get_fec)
1454 return -EOPNOTSUPP;
1455
1456 ops->get_fec(handle, &fec_ability, &fec_mode);
1457
1458 fec->fec = loc_to_eth_fec(fec_ability);
1459 fec->active_fec = loc_to_eth_fec(fec_mode);
1460
1461 return 0;
1462 }
1463
1464 static int hns3_set_fecparam(struct net_device *netdev,
1465 struct ethtool_fecparam *fec)
1466 {
1467 struct hnae3_handle *handle = hns3_get_handle(netdev);
1468 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1469 const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1470 u32 fec_mode;
1471
1472 if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
1473 return -EOPNOTSUPP;
1474
1475 if (!ops->set_fec)
1476 return -EOPNOTSUPP;
1477 fec_mode = eth_to_loc_fec(fec->fec);
1478
1479 netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode);
1480
1481 return ops->set_fec(handle, fec_mode);
1482 }
1483
1484 static int hns3_get_module_info(struct net_device *netdev,
1485 struct ethtool_modinfo *modinfo)
1486 {
1487 #define HNS3_SFF_8636_V1_3 0x03
1488
1489 struct hnae3_handle *handle = hns3_get_handle(netdev);
1490 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1491 const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1492 struct hns3_sfp_type sfp_type;
1493 int ret;
1494
1495 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
1496 !ops->get_module_eeprom)
1497 return -EOPNOTSUPP;
1498
1499 memset(&sfp_type, 0, sizeof(sfp_type));
1500 ret = ops->get_module_eeprom(handle, 0, sizeof(sfp_type) / sizeof(u8),
1501 (u8 *)&sfp_type);
1502 if (ret)
1503 return ret;
1504
1505 switch (sfp_type.type) {
1506 case SFF8024_ID_SFP:
1507 modinfo->type = ETH_MODULE_SFF_8472;
1508 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1509 break;
1510 case SFF8024_ID_QSFP_8438:
1511 modinfo->type = ETH_MODULE_SFF_8436;
1512 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1513 break;
1514 case SFF8024_ID_QSFP_8436_8636:
1515 if (sfp_type.ext_type < HNS3_SFF_8636_V1_3) {
1516 modinfo->type = ETH_MODULE_SFF_8436;
1517 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1518 } else {
1519 modinfo->type = ETH_MODULE_SFF_8636;
1520 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
1521 }
1522 break;
1523 case SFF8024_ID_QSFP28_8636:
1524 modinfo->type = ETH_MODULE_SFF_8636;
1525 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
1526 break;
1527 default:
1528 netdev_err(netdev, "Optical module unknown: %#x\n",
1529 sfp_type.type);
1530 return -EINVAL;
1531 }
1532
1533 return 0;
1534 }
1535
1536 static int hns3_get_module_eeprom(struct net_device *netdev,
1537 struct ethtool_eeprom *ee, u8 *data)
1538 {
1539 struct hnae3_handle *handle = hns3_get_handle(netdev);
1540 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
1541 const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
1542
1543 if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
1544 !ops->get_module_eeprom)
1545 return -EOPNOTSUPP;
1546
1547 if (!ee->len)
1548 return -EINVAL;
1549
1550 memset(data, 0, ee->len);
1551
1552 return ops->get_module_eeprom(handle, ee->offset, ee->len, data);
1553 }
1554
1555 static u32 hns3_get_priv_flags(struct net_device *netdev)
1556 {
1557 struct hnae3_handle *handle = hns3_get_handle(netdev);
1558
1559 return handle->priv_flags;
1560 }
1561
1562 static int hns3_check_priv_flags(struct hnae3_handle *h, u32 changed)
1563 {
1564 u32 i;
1565
1566 for (i = 0; i < HNAE3_PFLAG_MAX; i++)
1567 if ((changed & BIT(i)) && !test_bit(i, &h->supported_pflags)) {
1568 netdev_err(h->netdev, "%s is unsupported\n",
1569 hns3_priv_flags[i].name);
1570 return -EOPNOTSUPP;
1571 }
1572
1573 return 0;
1574 }
1575
1576 static int hns3_set_priv_flags(struct net_device *netdev, u32 pflags)
1577 {
1578 struct hnae3_handle *handle = hns3_get_handle(netdev);
1579 u32 changed = pflags ^ handle->priv_flags;
1580 int ret;
1581 u32 i;
1582
1583 ret = hns3_check_priv_flags(handle, changed);
1584 if (ret)
1585 return ret;
1586
1587 for (i = 0; i < HNAE3_PFLAG_MAX; i++) {
1588 if (changed & BIT(i)) {
1589 bool enable = !(handle->priv_flags & BIT(i));
1590
1591 if (enable)
1592 handle->priv_flags |= BIT(i);
1593 else
1594 handle->priv_flags &= ~BIT(i);
1595 hns3_priv_flags[i].handler(netdev, enable);
1596 }
1597 }
1598
1599 return 0;
1600 }
1601
1602 #define HNS3_ETHTOOL_COALESCE (ETHTOOL_COALESCE_USECS | \
1603 ETHTOOL_COALESCE_USE_ADAPTIVE | \
1604 ETHTOOL_COALESCE_RX_USECS_HIGH | \
1605 ETHTOOL_COALESCE_TX_USECS_HIGH | \
1606 ETHTOOL_COALESCE_MAX_FRAMES)
1607
1608 static const struct ethtool_ops hns3vf_ethtool_ops = {
1609 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
1610 .get_drvinfo = hns3_get_drvinfo,
1611 .get_ringparam = hns3_get_ringparam,
1612 .set_ringparam = hns3_set_ringparam,
1613 .get_strings = hns3_get_strings,
1614 .get_ethtool_stats = hns3_get_stats,
1615 .get_sset_count = hns3_get_sset_count,
1616 .get_rxnfc = hns3_get_rxnfc,
1617 .set_rxnfc = hns3_set_rxnfc,
1618 .get_rxfh_key_size = hns3_get_rss_key_size,
1619 .get_rxfh_indir_size = hns3_get_rss_indir_size,
1620 .get_rxfh = hns3_get_rss,
1621 .set_rxfh = hns3_set_rss,
1622 .get_link_ksettings = hns3_get_link_ksettings,
1623 .get_channels = hns3_get_channels,
1624 .set_channels = hns3_set_channels,
1625 .get_coalesce = hns3_get_coalesce,
1626 .set_coalesce = hns3_set_coalesce,
1627 .get_regs_len = hns3_get_regs_len,
1628 .get_regs = hns3_get_regs,
1629 .get_link = hns3_get_link,
1630 .get_msglevel = hns3_get_msglevel,
1631 .set_msglevel = hns3_set_msglevel,
1632 .get_priv_flags = hns3_get_priv_flags,
1633 .set_priv_flags = hns3_set_priv_flags,
1634 };
1635
1636 static const struct ethtool_ops hns3_ethtool_ops = {
1637 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
1638 .self_test = hns3_self_test,
1639 .get_drvinfo = hns3_get_drvinfo,
1640 .get_link = hns3_get_link,
1641 .get_ringparam = hns3_get_ringparam,
1642 .set_ringparam = hns3_set_ringparam,
1643 .get_pauseparam = hns3_get_pauseparam,
1644 .set_pauseparam = hns3_set_pauseparam,
1645 .get_strings = hns3_get_strings,
1646 .get_ethtool_stats = hns3_get_stats,
1647 .get_sset_count = hns3_get_sset_count,
1648 .get_rxnfc = hns3_get_rxnfc,
1649 .set_rxnfc = hns3_set_rxnfc,
1650 .get_rxfh_key_size = hns3_get_rss_key_size,
1651 .get_rxfh_indir_size = hns3_get_rss_indir_size,
1652 .get_rxfh = hns3_get_rss,
1653 .set_rxfh = hns3_set_rss,
1654 .get_link_ksettings = hns3_get_link_ksettings,
1655 .set_link_ksettings = hns3_set_link_ksettings,
1656 .nway_reset = hns3_nway_reset,
1657 .get_channels = hns3_get_channels,
1658 .set_channels = hns3_set_channels,
1659 .get_coalesce = hns3_get_coalesce,
1660 .set_coalesce = hns3_set_coalesce,
1661 .get_regs_len = hns3_get_regs_len,
1662 .get_regs = hns3_get_regs,
1663 .set_phys_id = hns3_set_phys_id,
1664 .get_msglevel = hns3_get_msglevel,
1665 .set_msglevel = hns3_set_msglevel,
1666 .get_fecparam = hns3_get_fecparam,
1667 .set_fecparam = hns3_set_fecparam,
1668 .get_module_info = hns3_get_module_info,
1669 .get_module_eeprom = hns3_get_module_eeprom,
1670 .get_priv_flags = hns3_get_priv_flags,
1671 .set_priv_flags = hns3_set_priv_flags,
1672 };
1673
1674 void hns3_ethtool_set_ops(struct net_device *netdev)
1675 {
1676 struct hnae3_handle *h = hns3_get_handle(netdev);
1677
1678 if (h->flags & HNAE3_SUPPORT_VF)
1679 netdev->ethtool_ops = &hns3vf_ethtool_ops;
1680 else
1681 netdev->ethtool_ops = &hns3_ethtool_ops;
1682 }
Linux with added FPC-III support