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accel/ivpu: Move recovery work to system_unbound_wq
[drm/drm-misc.git] / drivers / net / ethernet / hisilicon / hns / hns_ethtool.c
blob6c458f037262fd85f816b5ddb81e7675c033340c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) 2014-2015 Hisilicon Limited.
4 */
5
6 #include <linux/etherdevice.h>
7 #include <linux/interrupt.h>
8 #include <linux/module.h>
9 #include <linux/platform_device.h>
10 #include "hns_enet.h"
11
12 #define HNS_PHY_PAGE_MDIX 0
13 #define HNS_PHY_PAGE_LED 3
14 #define HNS_PHY_PAGE_COPPER 0
15
16 #define HNS_PHY_PAGE_REG 22 /* Page Selection Reg. */
17 #define HNS_PHY_CSC_REG 16 /* Copper Specific Control Register */
18 #define HNS_PHY_CSS_REG 17 /* Copper Specific Status Register */
19 #define HNS_LED_FC_REG 16 /* LED Function Control Reg. */
20
21 #define HNS_LED_FORCE_ON 9
22 #define HNS_LED_FORCE_OFF 8
23
24 #define HNS_CHIP_VERSION 660
25 #define HNS_NET_STATS_CNT 26
26
27 #define PHY_MDIX_CTRL_S (5)
28 #define PHY_MDIX_CTRL_M (3 << PHY_MDIX_CTRL_S)
29
30 #define PHY_MDIX_STATUS_B (6)
31 #define PHY_SPEED_DUP_RESOLVE_B (11)
32
33 /**
34 *hns_nic_get_link - get current link status
35 *@net_dev: net_device
36 *retuen 0 - success , negative --fail
37 */
38 static u32 hns_nic_get_link(struct net_device *net_dev)
39 {
40 struct hns_nic_priv *priv = netdev_priv(net_dev);
41 u32 link_stat = priv->link;
42 struct hnae_handle *h;
43
44 h = priv->ae_handle;
45
46 if (net_dev->phydev) {
47 if (!genphy_read_status(net_dev->phydev))
48 link_stat = net_dev->phydev->link;
49 else
50 link_stat = 0;
51 }
52
53 if (h->dev && h->dev->ops && h->dev->ops->get_status)
54 link_stat = link_stat && h->dev->ops->get_status(h);
55 else
56 link_stat = 0;
57
58 return link_stat;
59 }
60
61 static void hns_get_mdix_mode(struct net_device *net_dev,
62 struct ethtool_link_ksettings *cmd)
63 {
64 int mdix_ctrl, mdix, retval, is_resolved;
65 struct phy_device *phy_dev = net_dev->phydev;
66
67 if (!phy_dev || !phy_dev->mdio.bus) {
68 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
69 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
70 return;
71 }
72
73 phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_MDIX);
74
75 retval = phy_read(phy_dev, HNS_PHY_CSC_REG);
76 mdix_ctrl = hnae_get_field(retval, PHY_MDIX_CTRL_M, PHY_MDIX_CTRL_S);
77
78 retval = phy_read(phy_dev, HNS_PHY_CSS_REG);
79 mdix = hnae_get_bit(retval, PHY_MDIX_STATUS_B);
80 is_resolved = hnae_get_bit(retval, PHY_SPEED_DUP_RESOLVE_B);
81
82 phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
83
84 switch (mdix_ctrl) {
85 case 0x0:
86 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI;
87 break;
88 case 0x1:
89 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_X;
90 break;
91 case 0x3:
92 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
93 break;
94 default:
95 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
96 break;
97 }
98
99 if (!is_resolved)
100 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
101 else if (mdix)
102 cmd->base.eth_tp_mdix = ETH_TP_MDI_X;
103 else
104 cmd->base.eth_tp_mdix = ETH_TP_MDI;
105 }
106
107 /**
108 *hns_nic_get_link_ksettings - implement ethtool get link ksettings
109 *@net_dev: net_device
110 *@cmd: ethtool_link_ksettings
111 *retuen 0 - success , negative --fail
112 */
113 static int hns_nic_get_link_ksettings(struct net_device *net_dev,
114 struct ethtool_link_ksettings *cmd)
115 {
116 struct hns_nic_priv *priv = netdev_priv(net_dev);
117 struct hnae_handle *h;
118 u32 link_stat;
119 int ret;
120 u8 duplex;
121 u16 speed;
122 u32 supported, advertising;
123
124 if (!priv || !priv->ae_handle)
125 return -ESRCH;
126
127 h = priv->ae_handle;
128 if (!h->dev || !h->dev->ops || !h->dev->ops->get_info)
129 return -ESRCH;
130
131 ret = h->dev->ops->get_info(h, NULL, &speed, &duplex);
132 if (ret < 0) {
133 netdev_err(net_dev, "%s get_info error!\n", __func__);
134 return -EINVAL;
135 }
136
137 ethtool_convert_link_mode_to_legacy_u32(&supported,
138 cmd->link_modes.supported);
139 ethtool_convert_link_mode_to_legacy_u32(&advertising,
140 cmd->link_modes.advertising);
141
142 /* When there is no phy, autoneg is off. */
143 cmd->base.autoneg = false;
144 cmd->base.speed = speed;
145 cmd->base.duplex = duplex;
146
147 if (net_dev->phydev)
148 phy_ethtool_ksettings_get(net_dev->phydev, cmd);
149
150 link_stat = hns_nic_get_link(net_dev);
151 if (!link_stat) {
152 cmd->base.speed = (u32)SPEED_UNKNOWN;
153 cmd->base.duplex = DUPLEX_UNKNOWN;
154 }
155
156 if (cmd->base.autoneg)
157 advertising |= ADVERTISED_Autoneg;
158
159 supported |= h->if_support;
160 if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
161 supported |= SUPPORTED_TP;
162 advertising |= ADVERTISED_1000baseT_Full;
163 } else if (h->phy_if == PHY_INTERFACE_MODE_XGMII) {
164 supported |= SUPPORTED_FIBRE;
165 advertising |= ADVERTISED_10000baseKR_Full;
166 }
167
168 switch (h->media_type) {
169 case HNAE_MEDIA_TYPE_FIBER:
170 cmd->base.port = PORT_FIBRE;
171 break;
172 case HNAE_MEDIA_TYPE_COPPER:
173 cmd->base.port = PORT_TP;
174 break;
175 case HNAE_MEDIA_TYPE_UNKNOWN:
176 default:
177 break;
178 }
179
180 if (!(AE_IS_VER1(priv->enet_ver) && h->port_type == HNAE_PORT_DEBUG))
181 supported |= SUPPORTED_Pause;
182
183 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
184 supported);
185 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
186 advertising);
187
188 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C45 | ETH_MDIO_SUPPORTS_C22;
189 hns_get_mdix_mode(net_dev, cmd);
190
191 return 0;
192 }
193
194 /**
195 *hns_nic_set_link_ksettings - implement ethtool set link ksettings
196 *@net_dev: net_device
197 *@cmd: ethtool_link_ksettings
198 *retuen 0 - success , negative --fail
199 */
200 static int hns_nic_set_link_ksettings(struct net_device *net_dev,
201 const struct ethtool_link_ksettings *cmd)
202 {
203 struct hns_nic_priv *priv = netdev_priv(net_dev);
204 struct hnae_handle *h;
205 u32 speed;
206
207 if (!netif_running(net_dev))
208 return -ESRCH;
209
210 if (!priv || !priv->ae_handle || !priv->ae_handle->dev ||
211 !priv->ae_handle->dev->ops)
212 return -ENODEV;
213
214 h = priv->ae_handle;
215 speed = cmd->base.speed;
216
217 if (h->phy_if == PHY_INTERFACE_MODE_XGMII) {
218 if (cmd->base.autoneg == AUTONEG_ENABLE ||
219 speed != SPEED_10000 ||
220 cmd->base.duplex != DUPLEX_FULL)
221 return -EINVAL;
222 } else if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
223 if (!net_dev->phydev && cmd->base.autoneg == AUTONEG_ENABLE)
224 return -EINVAL;
225
226 if (speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
227 return -EINVAL;
228 if (net_dev->phydev)
229 return phy_ethtool_ksettings_set(net_dev->phydev, cmd);
230
231 if ((speed != SPEED_10 && speed != SPEED_100 &&
232 speed != SPEED_1000) || (cmd->base.duplex != DUPLEX_HALF &&
233 cmd->base.duplex != DUPLEX_FULL))
234 return -EINVAL;
235 } else {
236 netdev_err(net_dev, "Not supported!");
237 return -ENOTSUPP;
238 }
239
240 if (h->dev->ops->adjust_link) {
241 netif_carrier_off(net_dev);
242 h->dev->ops->adjust_link(h, (int)speed, cmd->base.duplex);
243 netif_carrier_on(net_dev);
244 return 0;
245 }
246
247 netdev_err(net_dev, "Not supported!");
248 return -ENOTSUPP;
249 }
250
251 static const char hns_nic_test_strs[][ETH_GSTRING_LEN] = {
252 "Mac Loopback test",
253 "Serdes Loopback test",
254 "Phy Loopback test"
255 };
256
257 static int hns_nic_config_phy_loopback(struct phy_device *phy_dev, u8 en)
258 {
259 int err;
260
261 if (en) {
262 /* Doing phy loopback in offline state, phy resuming is
263 * needed to power up the device.
264 */
265 err = phy_resume(phy_dev);
266 if (err)
267 goto out;
268
269 err = phy_loopback(phy_dev, true);
270 } else {
271 err = phy_loopback(phy_dev, false);
272 if (err)
273 goto out;
274
275 err = phy_suspend(phy_dev);
276 }
277
278 out:
279 return err;
280 }
281
282 static int __lb_setup(struct net_device *ndev,
283 enum hnae_loop loop)
284 {
285 int ret = 0;
286 struct hns_nic_priv *priv = netdev_priv(ndev);
287 struct phy_device *phy_dev = ndev->phydev;
288 struct hnae_handle *h = priv->ae_handle;
289
290 switch (loop) {
291 case MAC_INTERNALLOOP_PHY:
292 ret = hns_nic_config_phy_loopback(phy_dev, 0x1);
293 if (!ret)
294 ret = h->dev->ops->set_loopback(h, loop, 0x1);
295 break;
296 case MAC_INTERNALLOOP_MAC:
297 if ((h->dev->ops->set_loopback) &&
298 (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII))
299 ret = h->dev->ops->set_loopback(h, loop, 0x1);
300 break;
301 case MAC_INTERNALLOOP_SERDES:
302 if (h->dev->ops->set_loopback)
303 ret = h->dev->ops->set_loopback(h, loop, 0x1);
304 break;
305 case MAC_LOOP_PHY_NONE:
306 ret = hns_nic_config_phy_loopback(phy_dev, 0x0);
307 fallthrough;
308 case MAC_LOOP_NONE:
309 if (!ret && h->dev->ops->set_loopback) {
310 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
311 ret = h->dev->ops->set_loopback(h,
312 MAC_INTERNALLOOP_MAC, 0x0);
313
314 if (!ret)
315 ret = h->dev->ops->set_loopback(h,
316 MAC_INTERNALLOOP_SERDES, 0x0);
317 }
318 break;
319 default:
320 ret = -EINVAL;
321 break;
322 }
323
324 if (!ret) {
325 if (loop == MAC_LOOP_NONE)
326 h->dev->ops->set_promisc_mode(
327 h, ndev->flags & IFF_PROMISC);
328 else
329 h->dev->ops->set_promisc_mode(h, 1);
330 }
331 return ret;
332 }
333
334 static int __lb_up(struct net_device *ndev,
335 enum hnae_loop loop_mode)
336 {
337 #define NIC_LB_TEST_WAIT_PHY_LINK_TIME 300
338 struct hns_nic_priv *priv = netdev_priv(ndev);
339 struct hnae_handle *h = priv->ae_handle;
340 int speed, duplex;
341 int ret;
342
343 hns_nic_net_reset(ndev);
344
345 ret = __lb_setup(ndev, loop_mode);
346 if (ret)
347 return ret;
348
349 msleep(200);
350
351 ret = h->dev->ops->start ? h->dev->ops->start(h) : 0;
352 if (ret)
353 return ret;
354
355 /* link adjust duplex*/
356 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
357 speed = 1000;
358 else
359 speed = 10000;
360 duplex = 1;
361
362 h->dev->ops->adjust_link(h, speed, duplex);
363
364 /* wait adjust link done and phy ready */
365 msleep(NIC_LB_TEST_WAIT_PHY_LINK_TIME);
366
367 return 0;
368 }
369
370 static void __lb_other_process(struct hns_nic_ring_data *ring_data,
371 struct sk_buff *skb)
372 {
373 struct net_device *ndev;
374 struct hns_nic_priv *priv;
375 struct hnae_ring *ring;
376 struct netdev_queue *dev_queue;
377 struct sk_buff *new_skb;
378 unsigned int frame_size;
379 int check_ok;
380 u32 i;
381 char buff[33]; /* 32B data and the last character '\0' */
382
383 if (!ring_data) { /* Just for doing create frame*/
384 ndev = skb->dev;
385 priv = netdev_priv(ndev);
386
387 frame_size = skb->len;
388 memset(skb->data, 0xFF, frame_size);
389 if ((!AE_IS_VER1(priv->enet_ver)) &&
390 (priv->ae_handle->port_type == HNAE_PORT_SERVICE)) {
391 memcpy(skb->data, ndev->dev_addr, 6);
392 skb->data[5] += 0x1f;
393 }
394
395 frame_size &= ~1ul;
396 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
397 memset(&skb->data[frame_size / 2 + 10], 0xBE,
398 frame_size / 2 - 11);
399 memset(&skb->data[frame_size / 2 + 12], 0xAF,
400 frame_size / 2 - 13);
401 return;
402 }
403
404 ring = ring_data->ring;
405 ndev = ring_data->napi.dev;
406 if (is_tx_ring(ring)) { /* for tx queue reset*/
407 dev_queue = netdev_get_tx_queue(ndev, ring_data->queue_index);
408 netdev_tx_reset_queue(dev_queue);
409 return;
410 }
411
412 frame_size = skb->len;
413 frame_size &= ~1ul;
414 /* for mutl buffer*/
415 new_skb = skb_copy(skb, GFP_ATOMIC);
416 dev_kfree_skb_any(skb);
417 if (!new_skb) {
418 netdev_err(ndev, "skb alloc failed\n");
419 return;
420 }
421 skb = new_skb;
422
423 check_ok = 0;
424 if (*(skb->data + 10) == 0xFF) { /* for rx check frame*/
425 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
426 (*(skb->data + frame_size / 2 + 12) == 0xAF))
427 check_ok = 1;
428 }
429
430 if (check_ok) {
431 ndev->stats.rx_packets++;
432 ndev->stats.rx_bytes += skb->len;
433 } else {
434 ndev->stats.rx_frame_errors++;
435 for (i = 0; i < skb->len; i++) {
436 snprintf(buff + i % 16 * 2, 3, /* tailing \0*/
437 "%02x", *(skb->data + i));
438 if ((i % 16 == 15) || (i == skb->len - 1))
439 pr_info("%s\n", buff);
440 }
441 }
442 dev_kfree_skb_any(skb);
443 }
444
445 static int __lb_clean_rings(struct hns_nic_priv *priv,
446 int ringid0, int ringid1, int budget)
447 {
448 int i, ret;
449 struct hns_nic_ring_data *ring_data;
450 struct net_device *ndev = priv->netdev;
451 unsigned long rx_packets = ndev->stats.rx_packets;
452 unsigned long rx_bytes = ndev->stats.rx_bytes;
453 unsigned long rx_frame_errors = ndev->stats.rx_frame_errors;
454
455 for (i = ringid0; i <= ringid1; i++) {
456 ring_data = &priv->ring_data[i];
457 (void)ring_data->poll_one(ring_data,
458 budget, __lb_other_process);
459 }
460 ret = (int)(ndev->stats.rx_packets - rx_packets);
461 ndev->stats.rx_packets = rx_packets;
462 ndev->stats.rx_bytes = rx_bytes;
463 ndev->stats.rx_frame_errors = rx_frame_errors;
464 return ret;
465 }
466
467 /**
468 * __lb_run_test - run loopback test
469 * @ndev: net device
470 * @loop_mode: loopback mode
471 */
472 static int __lb_run_test(struct net_device *ndev,
473 enum hnae_loop loop_mode)
474 {
475 #define NIC_LB_TEST_PKT_NUM_PER_CYCLE 1
476 #define NIC_LB_TEST_RING_ID 0
477 #define NIC_LB_TEST_FRAME_SIZE 128
478 /* nic loopback test err */
479 #define NIC_LB_TEST_NO_MEM_ERR 1
480 #define NIC_LB_TEST_TX_CNT_ERR 2
481 #define NIC_LB_TEST_RX_CNT_ERR 3
482
483 struct hns_nic_priv *priv = netdev_priv(ndev);
484 struct hnae_handle *h = priv->ae_handle;
485 int i, j, lc, good_cnt, ret_val = 0;
486 unsigned int size;
487 netdev_tx_t tx_ret_val;
488 struct sk_buff *skb;
489
490 size = NIC_LB_TEST_FRAME_SIZE;
491 /* allocate test skb */
492 skb = alloc_skb(size, GFP_KERNEL);
493 if (!skb)
494 return NIC_LB_TEST_NO_MEM_ERR;
495
496 /* place data into test skb */
497 (void)skb_put(skb, size);
498 skb->dev = ndev;
499 __lb_other_process(NULL, skb);
500 skb->queue_mapping = NIC_LB_TEST_RING_ID;
501
502 lc = 1;
503 for (j = 0; j < lc; j++) {
504 /* reset count of good packets */
505 good_cnt = 0;
506 /* place 64 packets on the transmit queue*/
507 for (i = 0; i < NIC_LB_TEST_PKT_NUM_PER_CYCLE; i++) {
508 (void)skb_get(skb);
509
510 tx_ret_val = (netdev_tx_t)hns_nic_net_xmit_hw(
511 ndev, skb,
512 &tx_ring_data(priv, skb->queue_mapping));
513 if (tx_ret_val == NETDEV_TX_OK)
514 good_cnt++;
515 else
516 break;
517 }
518 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
519 ret_val = NIC_LB_TEST_TX_CNT_ERR;
520 dev_err(priv->dev, "%s sent fail, cnt=0x%x, budget=0x%x\n",
521 hns_nic_test_strs[loop_mode], good_cnt,
522 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
523 break;
524 }
525
526 /* allow 100 milliseconds for packets to go from Tx to Rx */
527 msleep(100);
528
529 good_cnt = __lb_clean_rings(priv,
530 h->q_num, h->q_num * 2 - 1,
531 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
532 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
533 ret_val = NIC_LB_TEST_RX_CNT_ERR;
534 dev_err(priv->dev, "%s recv fail, cnt=0x%x, budget=0x%x\n",
535 hns_nic_test_strs[loop_mode], good_cnt,
536 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
537 break;
538 }
539 (void)__lb_clean_rings(priv,
540 NIC_LB_TEST_RING_ID, NIC_LB_TEST_RING_ID,
541 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
542 }
543
544 /* free the original skb */
545 kfree_skb(skb);
546
547 return ret_val;
548 }
549
550 static int __lb_down(struct net_device *ndev, enum hnae_loop loop)
551 {
552 struct hns_nic_priv *priv = netdev_priv(ndev);
553 struct hnae_handle *h = priv->ae_handle;
554 int ret;
555
556 if (loop == MAC_INTERNALLOOP_PHY)
557 ret = __lb_setup(ndev, MAC_LOOP_PHY_NONE);
558 else
559 ret = __lb_setup(ndev, MAC_LOOP_NONE);
560 if (ret)
561 netdev_err(ndev, "%s: __lb_setup return error(%d)!\n",
562 __func__,
563 ret);
564
565 if (h->dev->ops->stop)
566 h->dev->ops->stop(h);
567
568 usleep_range(10000, 20000);
569 (void)__lb_clean_rings(priv, 0, h->q_num - 1, 256);
570
571 hns_nic_net_reset(ndev);
572
573 return 0;
574 }
575
576 /**
577 * hns_nic_self_test - self test
578 * @ndev: net device
579 * @eth_test: test cmd
580 * @data: test result
581 */
582 static void hns_nic_self_test(struct net_device *ndev,
583 struct ethtool_test *eth_test, u64 *data)
584 {
585 struct hns_nic_priv *priv = netdev_priv(ndev);
586 bool if_running = netif_running(ndev);
587 #define SELF_TEST_TPYE_NUM 3
588 int st_param[SELF_TEST_TPYE_NUM][2];
589 int i;
590 int test_index = 0;
591
592 st_param[0][0] = MAC_INTERNALLOOP_MAC; /* XGE not supported lb */
593 st_param[0][1] = (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII);
594 st_param[1][0] = MAC_INTERNALLOOP_SERDES;
595 st_param[1][1] = 1; /*serdes must exist*/
596 st_param[2][0] = MAC_INTERNALLOOP_PHY; /* only supporte phy node*/
597 st_param[2][1] = ((!!(priv->ae_handle->phy_dev)) &&
598 (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII));
599
600 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
601 set_bit(NIC_STATE_TESTING, &priv->state);
602
603 if (if_running)
604 dev_close(ndev);
605
606 for (i = 0; i < SELF_TEST_TPYE_NUM; i++) {
607 if (!st_param[i][1])
608 continue; /* NEXT testing */
609
610 data[test_index] = __lb_up(ndev,
611 (enum hnae_loop)st_param[i][0]);
612 if (!data[test_index]) {
613 data[test_index] = __lb_run_test(
614 ndev, (enum hnae_loop)st_param[i][0]);
615 (void)__lb_down(ndev,
616 (enum hnae_loop)st_param[i][0]);
617 }
618
619 if (data[test_index])
620 eth_test->flags |= ETH_TEST_FL_FAILED;
621
622 test_index++;
623 }
624
625 hns_nic_net_reset(priv->netdev);
626
627 clear_bit(NIC_STATE_TESTING, &priv->state);
628
629 if (if_running)
630 (void)dev_open(ndev, NULL);
631 }
632 /* Online tests aren't run; pass by default */
633
634 (void)msleep_interruptible(4 * 1000);
635 }
636
637 /**
638 * hns_nic_get_drvinfo - get net driver info
639 * @net_dev: net device
640 * @drvinfo: driver info
641 */
642 static void hns_nic_get_drvinfo(struct net_device *net_dev,
643 struct ethtool_drvinfo *drvinfo)
644 {
645 struct hns_nic_priv *priv = netdev_priv(net_dev);
646
647 strscpy(drvinfo->version, HNAE_DRIVER_VERSION,
648 sizeof(drvinfo->version));
649
650 strscpy(drvinfo->driver, HNAE_DRIVER_NAME, sizeof(drvinfo->driver));
651
652 strscpy(drvinfo->bus_info, priv->dev->bus->name,
653 sizeof(drvinfo->bus_info));
654
655 strscpy(drvinfo->fw_version, "N/A", ETHTOOL_FWVERS_LEN);
656 drvinfo->eedump_len = 0;
657 }
658
659 /**
660 * hns_get_ringparam - get ring parameter
661 * @net_dev: net device
662 * @param: ethtool parameter
663 * @kernel_param: ethtool external parameter
664 * @extack: netlink extended ACK report struct
665 */
666 static void hns_get_ringparam(struct net_device *net_dev,
667 struct ethtool_ringparam *param,
668 struct kernel_ethtool_ringparam *kernel_param,
669 struct netlink_ext_ack *extack)
670 {
671 struct hns_nic_priv *priv = netdev_priv(net_dev);
672 struct hnae_ae_ops *ops;
673 struct hnae_queue *queue;
674 u32 uplimit = 0;
675
676 queue = priv->ae_handle->qs[0];
677 ops = priv->ae_handle->dev->ops;
678
679 if (ops->get_ring_bdnum_limit)
680 ops->get_ring_bdnum_limit(queue, &uplimit);
681
682 param->rx_max_pending = uplimit;
683 param->tx_max_pending = uplimit;
684 param->rx_pending = queue->rx_ring.desc_num;
685 param->tx_pending = queue->tx_ring.desc_num;
686 }
687
688 /**
689 * hns_get_pauseparam - get pause parameter
690 * @net_dev: net device
691 * @param: pause parameter
692 */
693 static void hns_get_pauseparam(struct net_device *net_dev,
694 struct ethtool_pauseparam *param)
695 {
696 struct hns_nic_priv *priv = netdev_priv(net_dev);
697 struct hnae_ae_ops *ops;
698
699 ops = priv->ae_handle->dev->ops;
700
701 if (ops->get_pauseparam)
702 ops->get_pauseparam(priv->ae_handle, &param->autoneg,
703 &param->rx_pause, &param->tx_pause);
704 }
705
706 /**
707 * hns_set_pauseparam - set pause parameter
708 * @net_dev: net device
709 * @param: pause parameter
710 *
711 * Return 0 on success, negative on failure
712 */
713 static int hns_set_pauseparam(struct net_device *net_dev,
714 struct ethtool_pauseparam *param)
715 {
716 struct hns_nic_priv *priv = netdev_priv(net_dev);
717 struct hnae_handle *h;
718 struct hnae_ae_ops *ops;
719
720 h = priv->ae_handle;
721 ops = h->dev->ops;
722
723 if (!ops->set_pauseparam)
724 return -ESRCH;
725
726 return ops->set_pauseparam(priv->ae_handle, param->autoneg,
727 param->rx_pause, param->tx_pause);
728 }
729
730 /**
731 * hns_get_coalesce - get coalesce info.
732 * @net_dev: net device
733 * @ec: coalesce info.
734 * @kernel_coal: ethtool CQE mode setting structure
735 * @extack: extack for reporting error messages
736 *
737 * Return 0 on success, negative on failure.
738 */
739 static int hns_get_coalesce(struct net_device *net_dev,
740 struct ethtool_coalesce *ec,
741 struct kernel_ethtool_coalesce *kernel_coal,
742 struct netlink_ext_ack *extack)
743 {
744 struct hns_nic_priv *priv = netdev_priv(net_dev);
745 struct hnae_ae_ops *ops;
746
747 ops = priv->ae_handle->dev->ops;
748
749 ec->use_adaptive_rx_coalesce = priv->ae_handle->coal_adapt_en;
750 ec->use_adaptive_tx_coalesce = priv->ae_handle->coal_adapt_en;
751
752 if ((!ops->get_coalesce_usecs) ||
753 (!ops->get_max_coalesced_frames))
754 return -ESRCH;
755
756 ops->get_coalesce_usecs(priv->ae_handle,
757 &ec->tx_coalesce_usecs,
758 &ec->rx_coalesce_usecs);
759
760 ops->get_max_coalesced_frames(
761 priv->ae_handle,
762 &ec->tx_max_coalesced_frames,
763 &ec->rx_max_coalesced_frames);
764
765 ops->get_coalesce_range(priv->ae_handle,
766 &ec->tx_max_coalesced_frames_low,
767 &ec->rx_max_coalesced_frames_low,
768 &ec->tx_max_coalesced_frames_high,
769 &ec->rx_max_coalesced_frames_high,
770 &ec->tx_coalesce_usecs_low,
771 &ec->rx_coalesce_usecs_low,
772 &ec->tx_coalesce_usecs_high,
773 &ec->rx_coalesce_usecs_high);
774
775 return 0;
776 }
777
778 /**
779 * hns_set_coalesce - set coalesce info.
780 * @net_dev: net device
781 * @ec: coalesce info.
782 * @kernel_coal: ethtool CQE mode setting structure
783 * @extack: extack for reporting error messages
784 *
785 * Return 0 on success, negative on failure.
786 */
787 static int hns_set_coalesce(struct net_device *net_dev,
788 struct ethtool_coalesce *ec,
789 struct kernel_ethtool_coalesce *kernel_coal,
790 struct netlink_ext_ack *extack)
791 {
792 struct hns_nic_priv *priv = netdev_priv(net_dev);
793 struct hnae_ae_ops *ops;
794 int rc1, rc2;
795
796 ops = priv->ae_handle->dev->ops;
797
798 if (ec->tx_coalesce_usecs != ec->rx_coalesce_usecs)
799 return -EINVAL;
800
801 if ((!ops->set_coalesce_usecs) ||
802 (!ops->set_coalesce_frames))
803 return -ESRCH;
804
805 if (ec->use_adaptive_rx_coalesce != priv->ae_handle->coal_adapt_en)
806 priv->ae_handle->coal_adapt_en = ec->use_adaptive_rx_coalesce;
807
808 rc1 = ops->set_coalesce_usecs(priv->ae_handle,
809 ec->rx_coalesce_usecs);
810
811 rc2 = ops->set_coalesce_frames(priv->ae_handle,
812 ec->tx_max_coalesced_frames,
813 ec->rx_max_coalesced_frames);
814
815 if (rc1 || rc2)
816 return -EINVAL;
817
818 return 0;
819 }
820
821 /**
822 * hns_get_channels - get channel info.
823 * @net_dev: net device
824 * @ch: channel info.
825 */
826 static void
827 hns_get_channels(struct net_device *net_dev, struct ethtool_channels *ch)
828 {
829 struct hns_nic_priv *priv = netdev_priv(net_dev);
830
831 ch->max_rx = priv->ae_handle->q_num;
832 ch->max_tx = priv->ae_handle->q_num;
833
834 ch->rx_count = priv->ae_handle->q_num;
835 ch->tx_count = priv->ae_handle->q_num;
836 }
837
838 /**
839 * hns_get_ethtool_stats - get detail statistics.
840 * @netdev: net device
841 * @stats: statistics info.
842 * @data: statistics data.
843 */
844 static void hns_get_ethtool_stats(struct net_device *netdev,
845 struct ethtool_stats *stats, u64 *data)
846 {
847 u64 *p = data;
848 struct hns_nic_priv *priv = netdev_priv(netdev);
849 struct hnae_handle *h = priv->ae_handle;
850 const struct rtnl_link_stats64 *net_stats;
851 struct rtnl_link_stats64 temp;
852
853 if (!h->dev->ops->get_stats || !h->dev->ops->update_stats) {
854 netdev_err(netdev, "get_stats or update_stats is null!\n");
855 return;
856 }
857
858 h->dev->ops->update_stats(h, &netdev->stats);
859
860 net_stats = dev_get_stats(netdev, &temp);
861
862 /* get netdev statistics */
863 p[0] = net_stats->rx_packets;
864 p[1] = net_stats->tx_packets;
865 p[2] = net_stats->rx_bytes;
866 p[3] = net_stats->tx_bytes;
867 p[4] = net_stats->rx_errors;
868 p[5] = net_stats->tx_errors;
869 p[6] = net_stats->rx_dropped;
870 p[7] = net_stats->tx_dropped;
871 p[8] = net_stats->multicast;
872 p[9] = net_stats->collisions;
873 p[10] = net_stats->rx_over_errors;
874 p[11] = net_stats->rx_crc_errors;
875 p[12] = net_stats->rx_frame_errors;
876 p[13] = net_stats->rx_fifo_errors;
877 p[14] = net_stats->rx_missed_errors;
878 p[15] = net_stats->tx_aborted_errors;
879 p[16] = net_stats->tx_carrier_errors;
880 p[17] = net_stats->tx_fifo_errors;
881 p[18] = net_stats->tx_heartbeat_errors;
882 p[19] = net_stats->rx_length_errors;
883 p[20] = net_stats->tx_window_errors;
884 p[21] = net_stats->rx_compressed;
885 p[22] = net_stats->tx_compressed;
886
887 p[23] = 0; /* was netdev->rx_dropped.counter */
888 p[24] = 0; /* was netdev->tx_dropped.counter */
889
890 p[25] = priv->tx_timeout_count;
891
892 /* get driver statistics */
893 h->dev->ops->get_stats(h, &p[26]);
894 }
895
896 /**
897 * hns_get_strings: Return a set of strings that describe the requested objects
898 * @netdev: net device
899 * @stringset: string set ID.
900 * @data: objects data.
901 */
902 static void hns_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
903 {
904 struct hns_nic_priv *priv = netdev_priv(netdev);
905 struct hnae_handle *h = priv->ae_handle;
906
907 if (!h->dev->ops->get_strings) {
908 netdev_err(netdev, "h->dev->ops->get_strings is null!\n");
909 return;
910 }
911
912 if (stringset == ETH_SS_TEST) {
913 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
914 ethtool_puts(&data,
915 hns_nic_test_strs[MAC_INTERNALLOOP_MAC]);
916 ethtool_puts(&data, hns_nic_test_strs[MAC_INTERNALLOOP_SERDES]);
917 if ((netdev->phydev) && (!netdev->phydev->is_c45))
918 ethtool_puts(&data,
919 hns_nic_test_strs[MAC_INTERNALLOOP_PHY]);
920
921 } else {
922 ethtool_puts(&data, "rx_packets");
923 ethtool_puts(&data, "tx_packets");
924 ethtool_puts(&data, "rx_bytes");
925 ethtool_puts(&data, "tx_bytes");
926 ethtool_puts(&data, "rx_errors");
927 ethtool_puts(&data, "tx_errors");
928 ethtool_puts(&data, "rx_dropped");
929 ethtool_puts(&data, "tx_dropped");
930 ethtool_puts(&data, "multicast");
931 ethtool_puts(&data, "collisions");
932 ethtool_puts(&data, "rx_over_errors");
933 ethtool_puts(&data, "rx_crc_errors");
934 ethtool_puts(&data, "rx_frame_errors");
935 ethtool_puts(&data, "rx_fifo_errors");
936 ethtool_puts(&data, "rx_missed_errors");
937 ethtool_puts(&data, "tx_aborted_errors");
938 ethtool_puts(&data, "tx_carrier_errors");
939 ethtool_puts(&data, "tx_fifo_errors");
940 ethtool_puts(&data, "tx_heartbeat_errors");
941 ethtool_puts(&data, "rx_length_errors");
942 ethtool_puts(&data, "tx_window_errors");
943 ethtool_puts(&data, "rx_compressed");
944 ethtool_puts(&data, "tx_compressed");
945 ethtool_puts(&data, "netdev_rx_dropped");
946 ethtool_puts(&data, "netdev_tx_dropped");
947
948 ethtool_puts(&data, "netdev_tx_timeout");
949
950 h->dev->ops->get_strings(h, stringset, &data);
951 }
952 }
953
954 /**
955 * hns_get_sset_count - get string set count returned by nic_get_strings
956 * @netdev: net device
957 * @stringset: string set index, 0: self test string; 1: statistics string.
958 *
959 * Return string set count.
960 */
961 static int hns_get_sset_count(struct net_device *netdev, int stringset)
962 {
963 struct hns_nic_priv *priv = netdev_priv(netdev);
964 struct hnae_handle *h = priv->ae_handle;
965 struct hnae_ae_ops *ops = h->dev->ops;
966
967 if (!ops->get_sset_count) {
968 netdev_err(netdev, "get_sset_count is null!\n");
969 return -EOPNOTSUPP;
970 }
971 if (stringset == ETH_SS_TEST) {
972 u32 cnt = ARRAY_SIZE(hns_nic_test_strs);
973
974 if (priv->ae_handle->phy_if == PHY_INTERFACE_MODE_XGMII)
975 cnt--;
976
977 if ((!netdev->phydev) || (netdev->phydev->is_c45))
978 cnt--;
979
980 return cnt;
981 } else if (stringset == ETH_SS_STATS) {
982 return (HNS_NET_STATS_CNT + ops->get_sset_count(h, stringset));
983 } else {
984 return -EOPNOTSUPP;
985 }
986 }
987
988 /**
989 * hns_phy_led_set - set phy LED status.
990 * @netdev: net device
991 * @value: LED state.
992 *
993 * Return 0 on success, negative on failure.
994 */
995 static int hns_phy_led_set(struct net_device *netdev, int value)
996 {
997 int retval;
998 struct phy_device *phy_dev = netdev->phydev;
999
1000 retval = phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_LED);
1001 retval |= phy_write(phy_dev, HNS_LED_FC_REG, value);
1002 retval |= phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
1003 if (retval) {
1004 netdev_err(netdev, "mdiobus_write fail !\n");
1005 return retval;
1006 }
1007 return 0;
1008 }
1009
1010 /**
1011 * hns_set_phys_id - set phy identify LED.
1012 * @netdev: net device
1013 * @state: LED state.
1014 *
1015 * Return 0 on success, negative on failure.
1016 */
1017 static int
1018 hns_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
1019 {
1020 struct hns_nic_priv *priv = netdev_priv(netdev);
1021 struct hnae_handle *h = priv->ae_handle;
1022 struct phy_device *phy_dev = netdev->phydev;
1023 int ret;
1024
1025 if (phy_dev)
1026 switch (state) {
1027 case ETHTOOL_ID_ACTIVE:
1028 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1029 HNS_PHY_PAGE_LED);
1030 if (ret)
1031 return ret;
1032
1033 priv->phy_led_val = phy_read(phy_dev, HNS_LED_FC_REG);
1034
1035 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1036 HNS_PHY_PAGE_COPPER);
1037 if (ret)
1038 return ret;
1039 return 2;
1040 case ETHTOOL_ID_ON:
1041 ret = hns_phy_led_set(netdev, HNS_LED_FORCE_ON);
1042 if (ret)
1043 return ret;
1044 break;
1045 case ETHTOOL_ID_OFF:
1046 ret = hns_phy_led_set(netdev, HNS_LED_FORCE_OFF);
1047 if (ret)
1048 return ret;
1049 break;
1050 case ETHTOOL_ID_INACTIVE:
1051 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1052 HNS_PHY_PAGE_LED);
1053 if (ret)
1054 return ret;
1055
1056 ret = phy_write(phy_dev, HNS_LED_FC_REG,
1057 priv->phy_led_val);
1058 if (ret)
1059 return ret;
1060
1061 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1062 HNS_PHY_PAGE_COPPER);
1063 if (ret)
1064 return ret;
1065 break;
1066 default:
1067 return -EINVAL;
1068 }
1069 else
1070 switch (state) {
1071 case ETHTOOL_ID_ACTIVE:
1072 return h->dev->ops->set_led_id(h, HNAE_LED_ACTIVE);
1073 case ETHTOOL_ID_ON:
1074 return h->dev->ops->set_led_id(h, HNAE_LED_ON);
1075 case ETHTOOL_ID_OFF:
1076 return h->dev->ops->set_led_id(h, HNAE_LED_OFF);
1077 case ETHTOOL_ID_INACTIVE:
1078 return h->dev->ops->set_led_id(h, HNAE_LED_INACTIVE);
1079 default:
1080 return -EINVAL;
1081 }
1082
1083 return 0;
1084 }
1085
1086 /**
1087 * hns_get_regs - get net device register
1088 * @net_dev: net device
1089 * @cmd: ethtool cmd
1090 * @data: register data
1091 */
1092 static void hns_get_regs(struct net_device *net_dev, struct ethtool_regs *cmd,
1093 void *data)
1094 {
1095 struct hns_nic_priv *priv = netdev_priv(net_dev);
1096 struct hnae_ae_ops *ops;
1097
1098 ops = priv->ae_handle->dev->ops;
1099
1100 cmd->version = HNS_CHIP_VERSION;
1101 if (!ops->get_regs) {
1102 netdev_err(net_dev, "ops->get_regs is null!\n");
1103 return;
1104 }
1105 ops->get_regs(priv->ae_handle, data);
1106 }
1107
1108 /**
1109 * hns_get_regs_len - get total register len.
1110 * @net_dev: net device
1111 *
1112 * Return total register len.
1113 */
1114 static int hns_get_regs_len(struct net_device *net_dev)
1115 {
1116 u32 reg_num;
1117 struct hns_nic_priv *priv = netdev_priv(net_dev);
1118 struct hnae_ae_ops *ops;
1119
1120 ops = priv->ae_handle->dev->ops;
1121 if (!ops->get_regs_len) {
1122 netdev_err(net_dev, "ops->get_regs_len is null!\n");
1123 return -EOPNOTSUPP;
1124 }
1125
1126 reg_num = ops->get_regs_len(priv->ae_handle);
1127 if (reg_num > 0)
1128 return reg_num * sizeof(u32);
1129 else
1130 return reg_num; /* error code */
1131 }
1132
1133 /**
1134 * hns_nic_nway_reset - nway reset
1135 * @netdev: net device
1136 *
1137 * Return 0 on success, negative on failure
1138 */
1139 static int hns_nic_nway_reset(struct net_device *netdev)
1140 {
1141 struct phy_device *phy = netdev->phydev;
1142
1143 if (!netif_running(netdev))
1144 return 0;
1145
1146 if (!phy)
1147 return -EOPNOTSUPP;
1148
1149 if (phy->autoneg != AUTONEG_ENABLE)
1150 return -EINVAL;
1151
1152 return genphy_restart_aneg(phy);
1153 }
1154
1155 static u32
1156 hns_get_rss_key_size(struct net_device *netdev)
1157 {
1158 struct hns_nic_priv *priv = netdev_priv(netdev);
1159 struct hnae_ae_ops *ops;
1160
1161 if (AE_IS_VER1(priv->enet_ver)) {
1162 netdev_err(netdev,
1163 "RSS feature is not supported on this hardware\n");
1164 return 0;
1165 }
1166
1167 ops = priv->ae_handle->dev->ops;
1168 return ops->get_rss_key_size(priv->ae_handle);
1169 }
1170
1171 static u32
1172 hns_get_rss_indir_size(struct net_device *netdev)
1173 {
1174 struct hns_nic_priv *priv = netdev_priv(netdev);
1175 struct hnae_ae_ops *ops;
1176
1177 if (AE_IS_VER1(priv->enet_ver)) {
1178 netdev_err(netdev,
1179 "RSS feature is not supported on this hardware\n");
1180 return 0;
1181 }
1182
1183 ops = priv->ae_handle->dev->ops;
1184 return ops->get_rss_indir_size(priv->ae_handle);
1185 }
1186
1187 static int
1188 hns_get_rss(struct net_device *netdev, struct ethtool_rxfh_param *rxfh)
1189 {
1190 struct hns_nic_priv *priv = netdev_priv(netdev);
1191 struct hnae_ae_ops *ops;
1192
1193 if (AE_IS_VER1(priv->enet_ver)) {
1194 netdev_err(netdev,
1195 "RSS feature is not supported on this hardware\n");
1196 return -EOPNOTSUPP;
1197 }
1198
1199 ops = priv->ae_handle->dev->ops;
1200
1201 if (!rxfh->indir)
1202 return 0;
1203
1204 return ops->get_rss(priv->ae_handle,
1205 rxfh->indir, rxfh->key, &rxfh->hfunc);
1206 }
1207
1208 static int
1209 hns_set_rss(struct net_device *netdev, struct ethtool_rxfh_param *rxfh,
1210 struct netlink_ext_ack *extack)
1211 {
1212 struct hns_nic_priv *priv = netdev_priv(netdev);
1213 struct hnae_ae_ops *ops;
1214
1215 if (AE_IS_VER1(priv->enet_ver)) {
1216 netdev_err(netdev,
1217 "RSS feature is not supported on this hardware\n");
1218 return -EOPNOTSUPP;
1219 }
1220
1221 ops = priv->ae_handle->dev->ops;
1222
1223 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
1224 rxfh->hfunc != ETH_RSS_HASH_TOP) {
1225 netdev_err(netdev, "Invalid hfunc!\n");
1226 return -EOPNOTSUPP;
1227 }
1228
1229 return ops->set_rss(priv->ae_handle,
1230 rxfh->indir, rxfh->key, rxfh->hfunc);
1231 }
1232
1233 static int hns_get_rxnfc(struct net_device *netdev,
1234 struct ethtool_rxnfc *cmd,
1235 u32 *rule_locs)
1236 {
1237 struct hns_nic_priv *priv = netdev_priv(netdev);
1238
1239 switch (cmd->cmd) {
1240 case ETHTOOL_GRXRINGS:
1241 cmd->data = priv->ae_handle->q_num;
1242 break;
1243 default:
1244 return -EOPNOTSUPP;
1245 }
1246
1247 return 0;
1248 }
1249
1250 static const struct ethtool_ops hns_ethtool_ops = {
1251 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1252 ETHTOOL_COALESCE_MAX_FRAMES |
1253 ETHTOOL_COALESCE_USE_ADAPTIVE |
1254 ETHTOOL_COALESCE_USECS_LOW_HIGH |
1255 ETHTOOL_COALESCE_MAX_FRAMES_LOW_HIGH,
1256 .get_drvinfo = hns_nic_get_drvinfo,
1257 .get_link = hns_nic_get_link,
1258 .get_ringparam = hns_get_ringparam,
1259 .get_pauseparam = hns_get_pauseparam,
1260 .set_pauseparam = hns_set_pauseparam,
1261 .get_coalesce = hns_get_coalesce,
1262 .set_coalesce = hns_set_coalesce,
1263 .get_channels = hns_get_channels,
1264 .self_test = hns_nic_self_test,
1265 .get_strings = hns_get_strings,
1266 .get_sset_count = hns_get_sset_count,
1267 .get_ethtool_stats = hns_get_ethtool_stats,
1268 .set_phys_id = hns_set_phys_id,
1269 .get_regs_len = hns_get_regs_len,
1270 .get_regs = hns_get_regs,
1271 .nway_reset = hns_nic_nway_reset,
1272 .get_rxfh_key_size = hns_get_rss_key_size,
1273 .get_rxfh_indir_size = hns_get_rss_indir_size,
1274 .get_rxfh = hns_get_rss,
1275 .set_rxfh = hns_set_rss,
1276 .get_rxnfc = hns_get_rxnfc,
1277 .get_link_ksettings = hns_nic_get_link_ksettings,
1278 .set_link_ksettings = hns_nic_set_link_ksettings,
1279 };
1280
1281 void hns_ethtool_set_ops(struct net_device *ndev)
1282 {
1283 ndev->ethtool_ops = &hns_ethtool_ops;
1284 }
Kernel DRM miscellaneous fixes and cross-tree changes