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10#include <linux/etherdevice.h>
11#include <linux/string.h>
12
13#include "hns3_enet.h"
14
15struct hns3_stats {
16 char stats_string[ETH_GSTRING_LEN];
17 int stats_size;
18 int stats_offset;
19};
20
21
22#define HNS3_TQP_STAT(_string, _member) { \
23 .stats_string = _string, \
24 .stats_size = FIELD_SIZEOF(struct ring_stats, _member), \
25 .stats_offset = offsetof(struct hns3_enet_ring, stats), \
26} \
27
28static const struct hns3_stats hns3_txq_stats[] = {
29
30 HNS3_TQP_STAT("tx_io_err_cnt", io_err_cnt),
31 HNS3_TQP_STAT("tx_sw_err_cnt", sw_err_cnt),
32 HNS3_TQP_STAT("tx_seg_pkt_cnt", seg_pkt_cnt),
33 HNS3_TQP_STAT("tx_pkts", tx_pkts),
34 HNS3_TQP_STAT("tx_bytes", tx_bytes),
35 HNS3_TQP_STAT("tx_err_cnt", tx_err_cnt),
36 HNS3_TQP_STAT("tx_restart_queue", 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("rx_io_err_cnt", io_err_cnt),
45 HNS3_TQP_STAT("rx_sw_err_cnt", sw_err_cnt),
46 HNS3_TQP_STAT("rx_seg_pkt_cnt", seg_pkt_cnt),
47 HNS3_TQP_STAT("rx_pkts", rx_pkts),
48 HNS3_TQP_STAT("rx_bytes", rx_bytes),
49 HNS3_TQP_STAT("rx_err_cnt", rx_err_cnt),
50 HNS3_TQP_STAT("rx_reuse_pg_cnt", reuse_pg_cnt),
51 HNS3_TQP_STAT("rx_err_pkt_len", err_pkt_len),
52 HNS3_TQP_STAT("rx_non_vld_descs", non_vld_descs),
53 HNS3_TQP_STAT("rx_err_bd_num", err_bd_num),
54 HNS3_TQP_STAT("rx_l2_err", l2_err),
55 HNS3_TQP_STAT("rx_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
62struct hns3_link_mode_mapping {
63 u32 hns3_link_mode;
64 u32 ethtool_link_mode;
65};
66
67static const struct hns3_link_mode_mapping hns3_lm_map[] = {
68 {HNS3_LM_FIBRE_BIT, ETHTOOL_LINK_MODE_FIBRE_BIT},
69 {HNS3_LM_AUTONEG_BIT, ETHTOOL_LINK_MODE_Autoneg_BIT},
70 {HNS3_LM_TP_BIT, ETHTOOL_LINK_MODE_TP_BIT},
71 {HNS3_LM_PAUSE_BIT, ETHTOOL_LINK_MODE_Pause_BIT},
72 {HNS3_LM_BACKPLANE_BIT, ETHTOOL_LINK_MODE_Backplane_BIT},
73 {HNS3_LM_10BASET_HALF_BIT, ETHTOOL_LINK_MODE_10baseT_Half_BIT},
74 {HNS3_LM_10BASET_FULL_BIT, ETHTOOL_LINK_MODE_10baseT_Full_BIT},
75 {HNS3_LM_100BASET_HALF_BIT, ETHTOOL_LINK_MODE_100baseT_Half_BIT},
76 {HNS3_LM_100BASET_FULL_BIT, ETHTOOL_LINK_MODE_100baseT_Full_BIT},
77 {HNS3_LM_1000BASET_FULL_BIT, ETHTOOL_LINK_MODE_1000baseT_Full_BIT},
78};
79
80static void hns3_driv_to_eth_caps(u32 caps, struct ethtool_link_ksettings *cmd,
81 bool is_advertised)
82{
83 int i;
84
85 for (i = 0; i < ARRAY_SIZE(hns3_lm_map); i++) {
86 if (!(caps & hns3_lm_map[i].hns3_link_mode))
87 continue;
88
89 if (is_advertised) {
90 ethtool_link_ksettings_zero_link_mode(cmd,
91 advertising);
92 __set_bit(hns3_lm_map[i].ethtool_link_mode,
93 cmd->link_modes.advertising);
94 } else {
95 ethtool_link_ksettings_zero_link_mode(cmd,
96 supported);
97 __set_bit(hns3_lm_map[i].ethtool_link_mode,
98 cmd->link_modes.supported);
99 }
100 }
101}
102
103static int hns3_get_sset_count(struct net_device *netdev, int stringset)
104{
105 struct hns3_nic_priv *priv = netdev_priv(netdev);
106 struct hnae3_handle *h = priv->ae_handle;
107 const struct hnae3_ae_ops *ops = h->ae_algo->ops;
108
109 if (!ops->get_sset_count)
110 return -EOPNOTSUPP;
111
112 switch (stringset) {
113 case ETH_SS_STATS:
114 return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) +
115 ops->get_sset_count(h, stringset));
116
117 case ETH_SS_TEST:
118 return ops->get_sset_count(h, stringset);
119 }
120
121 return 0;
122}
123
124static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats,
125 u32 stat_count, u32 num_tqps)
126{
127#define MAX_PREFIX_SIZE (8 + 4)
128 u32 size_left;
129 u32 i, j;
130 u32 n1;
131
132 for (i = 0; i < num_tqps; i++) {
133 for (j = 0; j < stat_count; j++) {
134 data[ETH_GSTRING_LEN - 1] = '\0';
135
136
137 n1 = snprintf(data, MAX_PREFIX_SIZE, "rcb_q%d_", i);
138 n1 = min_t(uint, n1, MAX_PREFIX_SIZE - 1);
139 size_left = (ETH_GSTRING_LEN - 1) - n1;
140
141
142 strncat(data, stats[j].stats_string, size_left);
143 data += ETH_GSTRING_LEN;
144 }
145 }
146
147 return data;
148}
149
150static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data)
151{
152 struct hnae3_knic_private_info *kinfo = &handle->kinfo;
153
154
155 data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT,
156 kinfo->num_tqps);
157
158
159 data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT,
160 kinfo->num_tqps);
161
162 return data;
163}
164
165static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
166{
167 struct hns3_nic_priv *priv = netdev_priv(netdev);
168 struct hnae3_handle *h = priv->ae_handle;
169 const struct hnae3_ae_ops *ops = h->ae_algo->ops;
170 char *buff = (char *)data;
171
172 if (!ops->get_strings)
173 return;
174
175 switch (stringset) {
176 case ETH_SS_STATS:
177 buff = hns3_get_strings_tqps(h, buff);
178 h->ae_algo->ops->get_strings(h, stringset, (u8 *)buff);
179 break;
180 case ETH_SS_TEST:
181 ops->get_strings(h, stringset, data);
182 break;
183 }
184}
185
186static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data)
187{
188 struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv;
189 struct hnae3_knic_private_info *kinfo = &handle->kinfo;
190 struct hns3_enet_ring *ring;
191 u8 *stat;
192 u32 i;
193
194
195 for (i = 0; i < kinfo->num_tqps; i++) {
196 ring = nic_priv->ring_data[i].ring;
197 for (i = 0; i < HNS3_TXQ_STATS_COUNT; i++) {
198 stat = (u8 *)ring + hns3_txq_stats[i].stats_offset;
199 *data++ = *(u64 *)stat;
200 }
201 }
202
203
204 for (i = 0; i < kinfo->num_tqps; i++) {
205 ring = nic_priv->ring_data[i + kinfo->num_tqps].ring;
206 for (i = 0; i < HNS3_RXQ_STATS_COUNT; i++) {
207 stat = (u8 *)ring + hns3_rxq_stats[i].stats_offset;
208 *data++ = *(u64 *)stat;
209 }
210 }
211
212 return data;
213}
214
215
216
217
218
219
220void hns3_get_stats(struct net_device *netdev, struct ethtool_stats *stats,
221 u64 *data)
222{
223 struct hns3_nic_priv *priv = netdev_priv(netdev);
224 struct hnae3_handle *h = priv->ae_handle;
225 u64 *p = data;
226
227 if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) {
228 netdev_err(netdev, "could not get any statistics\n");
229 return;
230 }
231
232 h->ae_algo->ops->update_stats(h, &netdev->stats);
233
234
235 p = hns3_get_stats_tqps(h, p);
236
237
238 h->ae_algo->ops->get_stats(h, p);
239}
240
241static void hns3_get_drvinfo(struct net_device *netdev,
242 struct ethtool_drvinfo *drvinfo)
243{
244 struct hns3_nic_priv *priv = netdev_priv(netdev);
245 struct hnae3_handle *h = priv->ae_handle;
246
247 strncpy(drvinfo->version, hns3_driver_version,
248 sizeof(drvinfo->version));
249 drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
250
251 strncpy(drvinfo->driver, h->pdev->driver->name,
252 sizeof(drvinfo->driver));
253 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
254
255 strncpy(drvinfo->bus_info, pci_name(h->pdev),
256 sizeof(drvinfo->bus_info));
257 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
258
259 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "0x%08x",
260 priv->ae_handle->ae_algo->ops->get_fw_version(h));
261}
262
263static u32 hns3_get_link(struct net_device *netdev)
264{
265 struct hns3_nic_priv *priv = netdev_priv(netdev);
266 struct hnae3_handle *h;
267
268 h = priv->ae_handle;
269
270 if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_status)
271 return h->ae_algo->ops->get_status(h);
272 else
273 return 0;
274}
275
276static void hns3_get_ringparam(struct net_device *netdev,
277 struct ethtool_ringparam *param)
278{
279 struct hns3_nic_priv *priv = netdev_priv(netdev);
280 int queue_num = priv->ae_handle->kinfo.num_tqps;
281
282 param->tx_max_pending = HNS3_RING_MAX_PENDING;
283 param->rx_max_pending = HNS3_RING_MAX_PENDING;
284
285 param->tx_pending = priv->ring_data[0].ring->desc_num;
286 param->rx_pending = priv->ring_data[queue_num].ring->desc_num;
287}
288
289static void hns3_get_pauseparam(struct net_device *netdev,
290 struct ethtool_pauseparam *param)
291{
292 struct hns3_nic_priv *priv = netdev_priv(netdev);
293 struct hnae3_handle *h = priv->ae_handle;
294
295 if (h->ae_algo && h->ae_algo->ops && h->ae_algo->ops->get_pauseparam)
296 h->ae_algo->ops->get_pauseparam(h, ¶m->autoneg,
297 ¶m->rx_pause, ¶m->tx_pause);
298}
299
300static int hns3_get_link_ksettings(struct net_device *netdev,
301 struct ethtool_link_ksettings *cmd)
302{
303 struct hns3_nic_priv *priv = netdev_priv(netdev);
304 struct hnae3_handle *h = priv->ae_handle;
305 u32 supported_caps;
306 u32 advertised_caps;
307 u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN;
308 u8 link_stat;
309 u8 auto_neg;
310 u8 duplex;
311 u32 speed;
312
313 if (!h->ae_algo || !h->ae_algo->ops)
314 return -EOPNOTSUPP;
315
316
317 if (h->ae_algo->ops->get_ksettings_an_result) {
318 h->ae_algo->ops->get_ksettings_an_result(h, &auto_neg,
319 &speed, &duplex);
320 cmd->base.autoneg = auto_neg;
321 cmd->base.speed = speed;
322 cmd->base.duplex = duplex;
323
324 link_stat = hns3_get_link(netdev);
325 if (!link_stat) {
326 cmd->base.speed = (u32)SPEED_UNKNOWN;
327 cmd->base.duplex = DUPLEX_UNKNOWN;
328 }
329 }
330
331
332 if (h->ae_algo->ops->get_media_type) {
333 h->ae_algo->ops->get_media_type(h, &media_type);
334
335 switch (media_type) {
336 case HNAE3_MEDIA_TYPE_FIBER:
337 cmd->base.port = PORT_FIBRE;
338 supported_caps = HNS3_LM_FIBRE_BIT |
339 HNS3_LM_AUTONEG_BIT |
340 HNS3_LM_PAUSE_BIT |
341 HNS3_LM_1000BASET_FULL_BIT;
342
343 advertised_caps = supported_caps;
344 break;
345 case HNAE3_MEDIA_TYPE_COPPER:
346 cmd->base.port = PORT_TP;
347 supported_caps = HNS3_LM_TP_BIT |
348 HNS3_LM_AUTONEG_BIT |
349 HNS3_LM_PAUSE_BIT |
350 HNS3_LM_1000BASET_FULL_BIT |
351 HNS3_LM_100BASET_FULL_BIT |
352 HNS3_LM_100BASET_HALF_BIT |
353 HNS3_LM_10BASET_FULL_BIT |
354 HNS3_LM_10BASET_HALF_BIT;
355 advertised_caps = supported_caps;
356 break;
357 case HNAE3_MEDIA_TYPE_BACKPLANE:
358 cmd->base.port = PORT_NONE;
359 supported_caps = HNS3_LM_BACKPLANE_BIT |
360 HNS3_LM_PAUSE_BIT |
361 HNS3_LM_AUTONEG_BIT |
362 HNS3_LM_1000BASET_FULL_BIT |
363 HNS3_LM_100BASET_FULL_BIT |
364 HNS3_LM_100BASET_HALF_BIT |
365 HNS3_LM_10BASET_FULL_BIT |
366 HNS3_LM_10BASET_HALF_BIT;
367
368 advertised_caps = supported_caps;
369 break;
370 case HNAE3_MEDIA_TYPE_UNKNOWN:
371 default:
372 cmd->base.port = PORT_OTHER;
373 supported_caps = 0;
374 advertised_caps = 0;
375 break;
376 }
377
378
379 hns3_driv_to_eth_caps(supported_caps, cmd, false);
380 hns3_driv_to_eth_caps(advertised_caps, cmd, true);
381 }
382
383
384 if (h->ae_algo->ops->get_mdix_mode)
385 h->ae_algo->ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl,
386 &cmd->base.eth_tp_mdix);
387
388 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
389
390 return 0;
391}
392
393static u32 hns3_get_rss_key_size(struct net_device *netdev)
394{
395 struct hns3_nic_priv *priv = netdev_priv(netdev);
396 struct hnae3_handle *h = priv->ae_handle;
397
398 if (!h->ae_algo || !h->ae_algo->ops ||
399 !h->ae_algo->ops->get_rss_key_size)
400 return -EOPNOTSUPP;
401
402 return h->ae_algo->ops->get_rss_key_size(h);
403}
404
405static u32 hns3_get_rss_indir_size(struct net_device *netdev)
406{
407 struct hns3_nic_priv *priv = netdev_priv(netdev);
408 struct hnae3_handle *h = priv->ae_handle;
409
410 if (!h->ae_algo || !h->ae_algo->ops ||
411 !h->ae_algo->ops->get_rss_indir_size)
412 return -EOPNOTSUPP;
413
414 return h->ae_algo->ops->get_rss_indir_size(h);
415}
416
417static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key,
418 u8 *hfunc)
419{
420 struct hns3_nic_priv *priv = netdev_priv(netdev);
421 struct hnae3_handle *h = priv->ae_handle;
422
423 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss)
424 return -EOPNOTSUPP;
425
426 return h->ae_algo->ops->get_rss(h, indir, key, hfunc);
427}
428
429static int hns3_set_rss(struct net_device *netdev, const u32 *indir,
430 const u8 *key, const u8 hfunc)
431{
432 struct hns3_nic_priv *priv = netdev_priv(netdev);
433 struct hnae3_handle *h = priv->ae_handle;
434
435 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss)
436 return -EOPNOTSUPP;
437
438
439 if ((hfunc != ETH_RSS_HASH_NO_CHANGE) && (hfunc != ETH_RSS_HASH_TOP)) {
440 netdev_err(netdev,
441 "hash func not supported (only Toeplitz hash)\n");
442 return -EOPNOTSUPP;
443 }
444 if (!indir) {
445 netdev_err(netdev,
446 "set rss failed for indir is empty\n");
447 return -EOPNOTSUPP;
448 }
449
450 return h->ae_algo->ops->set_rss(h, indir, key, hfunc);
451}
452
453static int hns3_get_rxnfc(struct net_device *netdev,
454 struct ethtool_rxnfc *cmd,
455 u32 *rule_locs)
456{
457 struct hns3_nic_priv *priv = netdev_priv(netdev);
458 struct hnae3_handle *h = priv->ae_handle;
459
460 if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_tc_size)
461 return -EOPNOTSUPP;
462
463 switch (cmd->cmd) {
464 case ETHTOOL_GRXRINGS:
465 cmd->data = h->ae_algo->ops->get_tc_size(h);
466 break;
467 default:
468 return -EOPNOTSUPP;
469 }
470
471 return 0;
472}
473
474static const struct ethtool_ops hns3_ethtool_ops = {
475 .get_drvinfo = hns3_get_drvinfo,
476 .get_link = hns3_get_link,
477 .get_ringparam = hns3_get_ringparam,
478 .get_pauseparam = hns3_get_pauseparam,
479 .get_strings = hns3_get_strings,
480 .get_ethtool_stats = hns3_get_stats,
481 .get_sset_count = hns3_get_sset_count,
482 .get_rxnfc = hns3_get_rxnfc,
483 .get_rxfh_key_size = hns3_get_rss_key_size,
484 .get_rxfh_indir_size = hns3_get_rss_indir_size,
485 .get_rxfh = hns3_get_rss,
486 .set_rxfh = hns3_set_rss,
487 .get_link_ksettings = hns3_get_link_ksettings,
488};
489
490void hns3_ethtool_set_ops(struct net_device *netdev)
491{
492 netdev->ethtool_ops = &hns3_ethtool_ops;
493}
494
