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496d03e9 S |
1 | /* |
2 | * Copyright (c) 2016~2017 Hisilicon Limited. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | */ | |
9 | ||
10 | #include <linux/etherdevice.h> | |
11 | #include <linux/string.h> | |
12 | ||
13 | #include "hns3_enet.h" | |
14 | ||
15 | struct hns3_stats { | |
16 | char stats_string[ETH_GSTRING_LEN]; | |
17 | int stats_size; | |
18 | int stats_offset; | |
19 | }; | |
20 | ||
21 | /* tqp related stats */ | |
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 | ||
28 | static const struct hns3_stats hns3_txq_stats[] = { | |
29 | /* Tx per-queue statistics */ | |
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 | ||
42 | static const struct hns3_stats hns3_rxq_stats[] = { | |
43 | /* Rx per-queue statistics */ | |
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 | ||
62 | struct hns3_link_mode_mapping { | |
63 | u32 hns3_link_mode; | |
64 | u32 ethtool_link_mode; | |
65 | }; | |
66 | ||
67 | static 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 | ||
80 | static 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 | ||
103 | static 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 | ||
124 | static 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 | /* first, prepend the prefix string */ | |
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 | /* now, concatenate the stats string to it */ | |
142 | strncat(data, stats[j].stats_string, size_left); | |
143 | data += ETH_GSTRING_LEN; | |
144 | } | |
145 | } | |
146 | ||
147 | return data; | |
148 | } | |
149 | ||
150 | static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data) | |
151 | { | |
152 | struct hnae3_knic_private_info *kinfo = &handle->kinfo; | |
153 | ||
154 | /* get strings for Tx */ | |
155 | data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT, | |
156 | kinfo->num_tqps); | |
157 | ||
158 | /* get strings for Rx */ | |
159 | data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT, | |
160 | kinfo->num_tqps); | |
161 | ||
162 | return data; | |
163 | } | |
164 | ||
165 | static 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 | ||
186 | static 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 | /* get stats for Tx */ | |
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 | /* get stats for Rx */ | |
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 | /* hns3_get_stats - get detail statistics. | |
216 | * @netdev: net device | |
217 | * @stats: statistics info. | |
218 | * @data: statistics data. | |
219 | */ | |
220 | void 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 | /* get per-queue stats */ | |
235 | p = hns3_get_stats_tqps(h, p); | |
236 | ||
237 | /* get MAC & other misc hardware stats */ | |
238 | h->ae_algo->ops->get_stats(h, p); | |
239 | } | |
240 | ||
241 | static 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 | ||
263 | static 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 | ||
276 | static 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 | ||
289 | static 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 | ||
300 | static 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; | |
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 | /* 1.auto_neg&speed&duplex from cmd */ | |
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 | /* 2.media_type get from bios parameter block */ | |
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 | HNS3_LM_AUTONEG_BIT | | |
339 | HNS3_LM_PAUSE_BIT | HNS3_LM_1000BASET_FULL_BIT; | |
340 | ||
341 | advertised_caps = supported_caps; | |
342 | break; | |
343 | case HNAE3_MEDIA_TYPE_COPPER: | |
344 | cmd->base.port = PORT_TP; | |
345 | supported_caps = HNS3_LM_TP_BIT | HNS3_LM_AUTONEG_BIT | | |
346 | HNS3_LM_PAUSE_BIT | HNS3_LM_1000BASET_FULL_BIT | | |
347 | HNS3_LM_100BASET_FULL_BIT | HNS3_LM_100BASET_HALF_BIT | | |
348 | HNS3_LM_10BASET_FULL_BIT | HNS3_LM_10BASET_HALF_BIT; | |
349 | advertised_caps = supported_caps; | |
350 | break; | |
351 | case HNAE3_MEDIA_TYPE_BACKPLANE: | |
352 | cmd->base.port = PORT_NONE; | |
353 | supported_caps = HNS3_LM_BACKPLANE_BIT | HNS3_LM_PAUSE_BIT | | |
354 | HNS3_LM_AUTONEG_BIT | HNS3_LM_1000BASET_FULL_BIT | | |
355 | HNS3_LM_100BASET_FULL_BIT | HNS3_LM_100BASET_HALF_BIT | | |
356 | HNS3_LM_10BASET_FULL_BIT | HNS3_LM_10BASET_HALF_BIT; | |
357 | ||
358 | advertised_caps = supported_caps; | |
359 | break; | |
360 | case HNAE3_MEDIA_TYPE_UNKNOWN: | |
361 | default: | |
362 | cmd->base.port = PORT_OTHER; | |
363 | supported_caps = 0; | |
364 | advertised_caps = 0; | |
365 | break; | |
366 | } | |
367 | ||
368 | /* now, map driver link modes to ethtool link modes */ | |
369 | hns3_driv_to_eth_caps(supported_caps, cmd, false); | |
370 | hns3_driv_to_eth_caps(advertised_caps, cmd, true); | |
371 | ||
372 | /* 3.mdix_ctrl&mdix get from phy reg */ | |
373 | if (h->ae_algo->ops->get_mdix_mode) | |
374 | h->ae_algo->ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl, | |
375 | &cmd->base.eth_tp_mdix); | |
376 | /* 4.mdio_support */ | |
377 | cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22; | |
378 | ||
379 | return 0; | |
380 | } | |
381 | ||
382 | static u32 hns3_get_rss_key_size(struct net_device *netdev) | |
383 | { | |
384 | struct hns3_nic_priv *priv = netdev_priv(netdev); | |
385 | struct hnae3_handle *h = priv->ae_handle; | |
386 | ||
387 | if (!h->ae_algo || !h->ae_algo->ops || | |
388 | !h->ae_algo->ops->get_rss_key_size) | |
389 | return -EOPNOTSUPP; | |
390 | ||
391 | return h->ae_algo->ops->get_rss_key_size(h); | |
392 | } | |
393 | ||
394 | static u32 hns3_get_rss_indir_size(struct net_device *netdev) | |
395 | { | |
396 | struct hns3_nic_priv *priv = netdev_priv(netdev); | |
397 | struct hnae3_handle *h = priv->ae_handle; | |
398 | ||
399 | if (!h->ae_algo || !h->ae_algo->ops || | |
400 | !h->ae_algo->ops->get_rss_indir_size) | |
401 | return -EOPNOTSUPP; | |
402 | ||
403 | return h->ae_algo->ops->get_rss_indir_size(h); | |
404 | } | |
405 | ||
406 | static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key, | |
407 | u8 *hfunc) | |
408 | { | |
409 | struct hns3_nic_priv *priv = netdev_priv(netdev); | |
410 | struct hnae3_handle *h = priv->ae_handle; | |
411 | ||
412 | if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_rss) | |
413 | return -EOPNOTSUPP; | |
414 | ||
415 | return h->ae_algo->ops->get_rss(h, indir, key, hfunc); | |
416 | } | |
417 | ||
418 | static int hns3_set_rss(struct net_device *netdev, const u32 *indir, | |
419 | const u8 *key, const u8 hfunc) | |
420 | { | |
421 | struct hns3_nic_priv *priv = netdev_priv(netdev); | |
422 | struct hnae3_handle *h = priv->ae_handle; | |
423 | ||
424 | if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->set_rss) | |
425 | return -EOPNOTSUPP; | |
426 | ||
427 | /* currently we only support Toeplitz hash */ | |
428 | if ((hfunc != ETH_RSS_HASH_NO_CHANGE) && (hfunc != ETH_RSS_HASH_TOP)) { | |
429 | netdev_err(netdev, | |
430 | "hash func not supported (only Toeplitz hash)\n"); | |
431 | return -EOPNOTSUPP; | |
432 | } | |
433 | if (!indir) { | |
434 | netdev_err(netdev, | |
435 | "set rss failed for indir is empty\n"); | |
436 | return -EOPNOTSUPP; | |
437 | } | |
438 | ||
439 | return h->ae_algo->ops->set_rss(h, indir, key, hfunc); | |
440 | } | |
441 | ||
442 | static int hns3_get_rxnfc(struct net_device *netdev, | |
443 | struct ethtool_rxnfc *cmd, | |
444 | u32 *rule_locs) | |
445 | { | |
446 | struct hns3_nic_priv *priv = netdev_priv(netdev); | |
447 | struct hnae3_handle *h = priv->ae_handle; | |
448 | ||
449 | if (!h->ae_algo || !h->ae_algo->ops || !h->ae_algo->ops->get_tc_size) | |
450 | return -EOPNOTSUPP; | |
451 | ||
452 | switch (cmd->cmd) { | |
453 | case ETHTOOL_GRXRINGS: | |
454 | cmd->data = h->ae_algo->ops->get_tc_size(h); | |
455 | break; | |
456 | default: | |
457 | return -EOPNOTSUPP; | |
458 | } | |
459 | ||
460 | return 0; | |
461 | } | |
462 | ||
463 | static const struct ethtool_ops hns3_ethtool_ops = { | |
464 | .get_drvinfo = hns3_get_drvinfo, | |
465 | .get_link = hns3_get_link, | |
466 | .get_ringparam = hns3_get_ringparam, | |
467 | .get_pauseparam = hns3_get_pauseparam, | |
468 | .get_strings = hns3_get_strings, | |
469 | .get_ethtool_stats = hns3_get_stats, | |
470 | .get_sset_count = hns3_get_sset_count, | |
471 | .get_rxnfc = hns3_get_rxnfc, | |
472 | .get_rxfh_key_size = hns3_get_rss_key_size, | |
473 | .get_rxfh_indir_size = hns3_get_rss_indir_size, | |
474 | .get_rxfh = hns3_get_rss, | |
475 | .set_rxfh = hns3_set_rss, | |
476 | .get_link_ksettings = hns3_get_link_ksettings, | |
477 | }; | |
478 | ||
479 | void hns3_ethtool_set_ops(struct net_device *netdev) | |
480 | { | |
481 | netdev->ethtool_ops = &hns3_ethtool_ops; | |
482 | } |