1 /*
2 * Copyright (c) 2014-2015 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/interrupt.h>
12 #include <linux/module.h>
13 #include <linux/platform_device.h>
14 #include "hns_enet.h"
15
16 #define HNS_PHY_PAGE_MDIX 0
17 #define HNS_PHY_PAGE_LED 3
18 #define HNS_PHY_PAGE_COPPER 0
19
20 #define HNS_PHY_PAGE_REG 22 /* Page Selection Reg. */
21 #define HNS_PHY_CSC_REG 16 /* Copper Specific Control Register */
22 #define HNS_PHY_CSS_REG 17 /* Copper Specific Status Register */
23 #define HNS_LED_FC_REG 16 /* LED Function Control Reg. */
24 #define HNS_LED_PC_REG 17 /* LED Polarity Control Reg. */
25
26 #define HNS_LED_FORCE_ON 9
27 #define HNS_LED_FORCE_OFF 8
28
29 #define HNS_CHIP_VERSION 660
30 #define HNS_NET_STATS_CNT 26
31
32 #define PHY_MDIX_CTRL_S (5)
33 #define PHY_MDIX_CTRL_M (3 << PHY_MDIX_CTRL_S)
34
35 #define PHY_MDIX_STATUS_B (6)
36 #define PHY_SPEED_DUP_RESOLVE_B (11)
37
38 /**
39 *hns_nic_get_link - get current link status
40 *@net_dev: net_device
41 *retuen 0 - success , negative --fail
42 */
hns_nic_get_link(struct net_device * net_dev)43 static u32 hns_nic_get_link(struct net_device *net_dev)
44 {
45 struct hns_nic_priv *priv = netdev_priv(net_dev);
46 u32 link_stat = priv->link;
47 struct hnae_handle *h;
48
49 h = priv->ae_handle;
50
51 if (net_dev->phydev) {
52 if (!genphy_read_status(net_dev->phydev))
53 link_stat = net_dev->phydev->link;
54 else
55 link_stat = 0;
56 }
57
58 if (h->dev && h->dev->ops && h->dev->ops->get_status)
59 link_stat = link_stat && h->dev->ops->get_status(h);
60 else
61 link_stat = 0;
62
63 return link_stat;
64 }
65
hns_get_mdix_mode(struct net_device * net_dev,struct ethtool_link_ksettings * cmd)66 static void hns_get_mdix_mode(struct net_device *net_dev,
67 struct ethtool_link_ksettings *cmd)
68 {
69 int mdix_ctrl, mdix, retval, is_resolved;
70 struct phy_device *phy_dev = net_dev->phydev;
71
72 if (!phy_dev || !phy_dev->mdio.bus) {
73 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
74 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
75 return;
76 }
77
78 phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_MDIX);
79
80 retval = phy_read(phy_dev, HNS_PHY_CSC_REG);
81 mdix_ctrl = hnae_get_field(retval, PHY_MDIX_CTRL_M, PHY_MDIX_CTRL_S);
82
83 retval = phy_read(phy_dev, HNS_PHY_CSS_REG);
84 mdix = hnae_get_bit(retval, PHY_MDIX_STATUS_B);
85 is_resolved = hnae_get_bit(retval, PHY_SPEED_DUP_RESOLVE_B);
86
87 phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
88
89 switch (mdix_ctrl) {
90 case 0x0:
91 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI;
92 break;
93 case 0x1:
94 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_X;
95 break;
96 case 0x3:
97 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
98 break;
99 default:
100 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
101 break;
102 }
103
104 if (!is_resolved)
105 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
106 else if (mdix)
107 cmd->base.eth_tp_mdix = ETH_TP_MDI_X;
108 else
109 cmd->base.eth_tp_mdix = ETH_TP_MDI;
110 }
111
112 /**
113 *hns_nic_get_link_ksettings - implement ethtool get link ksettings
114 *@net_dev: net_device
115 *@cmd: ethtool_link_ksettings
116 *retuen 0 - success , negative --fail
117 */
hns_nic_get_link_ksettings(struct net_device * net_dev,struct ethtool_link_ksettings * cmd)118 static int hns_nic_get_link_ksettings(struct net_device *net_dev,
119 struct ethtool_link_ksettings *cmd)
120 {
121 struct hns_nic_priv *priv = netdev_priv(net_dev);
122 struct hnae_handle *h;
123 u32 link_stat;
124 int ret;
125 u8 duplex;
126 u16 speed;
127 u32 supported, advertising;
128
129 if (!priv || !priv->ae_handle)
130 return -ESRCH;
131
132 h = priv->ae_handle;
133 if (!h->dev || !h->dev->ops || !h->dev->ops->get_info)
134 return -ESRCH;
135
136 ret = h->dev->ops->get_info(h, NULL, &speed, &duplex);
137 if (ret < 0) {
138 netdev_err(net_dev, "%s get_info error!\n", __func__);
139 return -EINVAL;
140 }
141
142 ethtool_convert_link_mode_to_legacy_u32(&supported,
143 cmd->link_modes.supported);
144 ethtool_convert_link_mode_to_legacy_u32(&advertising,
145 cmd->link_modes.advertising);
146
147 /* When there is no phy, autoneg is off. */
148 cmd->base.autoneg = false;
149 cmd->base.speed = speed;
150 cmd->base.duplex = duplex;
151
152 if (net_dev->phydev)
153 phy_ethtool_ksettings_get(net_dev->phydev, cmd);
154
155 link_stat = hns_nic_get_link(net_dev);
156 if (!link_stat) {
157 cmd->base.speed = (u32)SPEED_UNKNOWN;
158 cmd->base.duplex = DUPLEX_UNKNOWN;
159 }
160
161 if (cmd->base.autoneg)
162 advertising |= ADVERTISED_Autoneg;
163
164 supported |= h->if_support;
165 if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
166 supported |= SUPPORTED_TP;
167 advertising |= ADVERTISED_1000baseT_Full;
168 } else if (h->phy_if == PHY_INTERFACE_MODE_XGMII) {
169 supported |= SUPPORTED_FIBRE;
170 advertising |= ADVERTISED_10000baseKR_Full;
171 }
172
173 switch (h->media_type) {
174 case HNAE_MEDIA_TYPE_FIBER:
175 cmd->base.port = PORT_FIBRE;
176 break;
177 case HNAE_MEDIA_TYPE_COPPER:
178 cmd->base.port = PORT_TP;
179 break;
180 case HNAE_MEDIA_TYPE_UNKNOWN:
181 default:
182 break;
183 }
184
185 if (!(AE_IS_VER1(priv->enet_ver) && h->port_type == HNAE_PORT_DEBUG))
186 supported |= SUPPORTED_Pause;
187
188 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
189 supported);
190 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
191 advertising);
192
193 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C45 | ETH_MDIO_SUPPORTS_C22;
194 hns_get_mdix_mode(net_dev, cmd);
195
196 return 0;
197 }
198
199 /**
200 *hns_nic_set_link_settings - implement ethtool set link ksettings
201 *@net_dev: net_device
202 *@cmd: ethtool_link_ksettings
203 *retuen 0 - success , negative --fail
204 */
hns_nic_set_link_ksettings(struct net_device * net_dev,const struct ethtool_link_ksettings * cmd)205 static int hns_nic_set_link_ksettings(struct net_device *net_dev,
206 const struct ethtool_link_ksettings *cmd)
207 {
208 struct hns_nic_priv *priv = netdev_priv(net_dev);
209 struct hnae_handle *h;
210 u32 speed;
211
212 if (!netif_running(net_dev))
213 return -ESRCH;
214
215 if (!priv || !priv->ae_handle || !priv->ae_handle->dev ||
216 !priv->ae_handle->dev->ops)
217 return -ENODEV;
218
219 h = priv->ae_handle;
220 speed = cmd->base.speed;
221
222 if (h->phy_if == PHY_INTERFACE_MODE_XGMII) {
223 if (cmd->base.autoneg == AUTONEG_ENABLE ||
224 speed != SPEED_10000 ||
225 cmd->base.duplex != DUPLEX_FULL)
226 return -EINVAL;
227 } else if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
228 if (!net_dev->phydev && cmd->base.autoneg == AUTONEG_ENABLE)
229 return -EINVAL;
230
231 if (speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
232 return -EINVAL;
233 if (net_dev->phydev)
234 return phy_ethtool_ksettings_set(net_dev->phydev, cmd);
235
236 if ((speed != SPEED_10 && speed != SPEED_100 &&
237 speed != SPEED_1000) || (cmd->base.duplex != DUPLEX_HALF &&
238 cmd->base.duplex != DUPLEX_FULL))
239 return -EINVAL;
240 } else {
241 netdev_err(net_dev, "Not supported!");
242 return -ENOTSUPP;
243 }
244
245 if (h->dev->ops->adjust_link) {
246 netif_carrier_off(net_dev);
247 h->dev->ops->adjust_link(h, (int)speed, cmd->base.duplex);
248 netif_carrier_on(net_dev);
249 return 0;
250 }
251
252 netdev_err(net_dev, "Not supported!");
253 return -ENOTSUPP;
254 }
255
256 static const char hns_nic_test_strs[][ETH_GSTRING_LEN] = {
257 "Mac Loopback test",
258 "Serdes Loopback test",
259 "Phy Loopback test"
260 };
261
hns_nic_config_phy_loopback(struct phy_device * phy_dev,u8 en)262 static int hns_nic_config_phy_loopback(struct phy_device *phy_dev, u8 en)
263 {
264 int err;
265
266 if (en) {
267 /* Doing phy loopback in offline state, phy resuming is
268 * needed to power up the device.
269 */
270 err = phy_resume(phy_dev);
271 if (err)
272 goto out;
273
274 err = phy_loopback(phy_dev, true);
275 } else {
276 err = phy_loopback(phy_dev, false);
277 if (err)
278 goto out;
279
280 err = phy_suspend(phy_dev);
281 }
282
283 out:
284 return err;
285 }
286
__lb_setup(struct net_device * ndev,enum hnae_loop loop)287 static int __lb_setup(struct net_device *ndev,
288 enum hnae_loop loop)
289 {
290 int ret = 0;
291 struct hns_nic_priv *priv = netdev_priv(ndev);
292 struct phy_device *phy_dev = ndev->phydev;
293 struct hnae_handle *h = priv->ae_handle;
294
295 switch (loop) {
296 case MAC_INTERNALLOOP_PHY:
297 ret = hns_nic_config_phy_loopback(phy_dev, 0x1);
298 if (!ret)
299 ret = h->dev->ops->set_loopback(h, loop, 0x1);
300 break;
301 case MAC_INTERNALLOOP_MAC:
302 if ((h->dev->ops->set_loopback) &&
303 (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII))
304 ret = h->dev->ops->set_loopback(h, loop, 0x1);
305 break;
306 case MAC_INTERNALLOOP_SERDES:
307 if (h->dev->ops->set_loopback)
308 ret = h->dev->ops->set_loopback(h, loop, 0x1);
309 break;
310 case MAC_LOOP_PHY_NONE:
311 ret = hns_nic_config_phy_loopback(phy_dev, 0x0);
312 /* fall through */
313 case MAC_LOOP_NONE:
314 if (!ret && h->dev->ops->set_loopback) {
315 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
316 ret = h->dev->ops->set_loopback(h,
317 MAC_INTERNALLOOP_MAC, 0x0);
318
319 if (!ret)
320 ret = h->dev->ops->set_loopback(h,
321 MAC_INTERNALLOOP_SERDES, 0x0);
322 }
323 break;
324 default:
325 ret = -EINVAL;
326 break;
327 }
328
329 if (!ret) {
330 if (loop == MAC_LOOP_NONE)
331 h->dev->ops->set_promisc_mode(
332 h, ndev->flags & IFF_PROMISC);
333 else
334 h->dev->ops->set_promisc_mode(h, 1);
335 }
336 return ret;
337 }
338
__lb_up(struct net_device * ndev,enum hnae_loop loop_mode)339 static int __lb_up(struct net_device *ndev,
340 enum hnae_loop loop_mode)
341 {
342 struct hns_nic_priv *priv = netdev_priv(ndev);
343 struct hnae_handle *h = priv->ae_handle;
344 int speed, duplex;
345 int ret;
346
347 hns_nic_net_reset(ndev);
348
349 ret = __lb_setup(ndev, loop_mode);
350 if (ret)
351 return ret;
352
353 msleep(200);
354
355 ret = h->dev->ops->start ? h->dev->ops->start(h) : 0;
356 if (ret)
357 return ret;
358
359 /* link adjust duplex*/
360 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
361 speed = 1000;
362 else
363 speed = 10000;
364 duplex = 1;
365
366 h->dev->ops->adjust_link(h, speed, duplex);
367
368 return 0;
369 }
370
__lb_other_process(struct hns_nic_ring_data * ring_data,struct sk_buff * skb)371 static void __lb_other_process(struct hns_nic_ring_data *ring_data,
372 struct sk_buff *skb)
373 {
374 struct net_device *ndev;
375 struct hns_nic_priv *priv;
376 struct hnae_ring *ring;
377 struct netdev_queue *dev_queue;
378 struct sk_buff *new_skb;
379 unsigned int frame_size;
380 int check_ok;
381 u32 i;
382 char buff[33]; /* 32B data and the last character '\0' */
383
384 if (!ring_data) { /* Just for doing create frame*/
385 ndev = skb->dev;
386 priv = netdev_priv(ndev);
387
388 frame_size = skb->len;
389 memset(skb->data, 0xFF, frame_size);
390 if ((!AE_IS_VER1(priv->enet_ver)) &&
391 (priv->ae_handle->port_type == HNAE_PORT_SERVICE)) {
392 memcpy(skb->data, ndev->dev_addr, 6);
393 skb->data[5] += 0x1f;
394 }
395
396 frame_size &= ~1ul;
397 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
398 memset(&skb->data[frame_size / 2 + 10], 0xBE,
399 frame_size / 2 - 11);
400 memset(&skb->data[frame_size / 2 + 12], 0xAF,
401 frame_size / 2 - 13);
402 return;
403 }
404
405 ring = ring_data->ring;
406 ndev = ring_data->napi.dev;
407 if (is_tx_ring(ring)) { /* for tx queue reset*/
408 dev_queue = netdev_get_tx_queue(ndev, ring_data->queue_index);
409 netdev_tx_reset_queue(dev_queue);
410 return;
411 }
412
413 frame_size = skb->len;
414 frame_size &= ~1ul;
415 /* for mutl buffer*/
416 new_skb = skb_copy(skb, GFP_ATOMIC);
417 dev_kfree_skb_any(skb);
418 skb = new_skb;
419
420 check_ok = 0;
421 if (*(skb->data + 10) == 0xFF) { /* for rx check frame*/
422 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
423 (*(skb->data + frame_size / 2 + 12) == 0xAF))
424 check_ok = 1;
425 }
426
427 if (check_ok) {
428 ndev->stats.rx_packets++;
429 ndev->stats.rx_bytes += skb->len;
430 } else {
431 ndev->stats.rx_frame_errors++;
432 for (i = 0; i < skb->len; i++) {
433 snprintf(buff + i % 16 * 2, 3, /* tailing \0*/
434 "%02x", *(skb->data + i));
435 if ((i % 16 == 15) || (i == skb->len - 1))
436 pr_info("%s\n", buff);
437 }
438 }
439 dev_kfree_skb_any(skb);
440 }
441
__lb_clean_rings(struct hns_nic_priv * priv,int ringid0,int ringid1,int budget)442 static int __lb_clean_rings(struct hns_nic_priv *priv,
443 int ringid0, int ringid1, int budget)
444 {
445 int i, ret;
446 struct hns_nic_ring_data *ring_data;
447 struct net_device *ndev = priv->netdev;
448 unsigned long rx_packets = ndev->stats.rx_packets;
449 unsigned long rx_bytes = ndev->stats.rx_bytes;
450 unsigned long rx_frame_errors = ndev->stats.rx_frame_errors;
451
452 for (i = ringid0; i <= ringid1; i++) {
453 ring_data = &priv->ring_data[i];
454 (void)ring_data->poll_one(ring_data,
455 budget, __lb_other_process);
456 }
457 ret = (int)(ndev->stats.rx_packets - rx_packets);
458 ndev->stats.rx_packets = rx_packets;
459 ndev->stats.rx_bytes = rx_bytes;
460 ndev->stats.rx_frame_errors = rx_frame_errors;
461 return ret;
462 }
463
464 /**
465 * nic_run_loopback_test - run loopback test
466 * @nic_dev: net device
467 * @loopback_type: loopback type
468 */
__lb_run_test(struct net_device * ndev,enum hnae_loop loop_mode)469 static int __lb_run_test(struct net_device *ndev,
470 enum hnae_loop loop_mode)
471 {
472 #define NIC_LB_TEST_PKT_NUM_PER_CYCLE 1
473 #define NIC_LB_TEST_RING_ID 0
474 #define NIC_LB_TEST_FRAME_SIZE 128
475 /* nic loopback test err */
476 #define NIC_LB_TEST_NO_MEM_ERR 1
477 #define NIC_LB_TEST_TX_CNT_ERR 2
478 #define NIC_LB_TEST_RX_CNT_ERR 3
479 #define NIC_LB_TEST_RX_PKG_ERR 4
480 struct hns_nic_priv *priv = netdev_priv(ndev);
481 struct hnae_handle *h = priv->ae_handle;
482 int i, j, lc, good_cnt, ret_val = 0;
483 unsigned int size;
484 netdev_tx_t tx_ret_val;
485 struct sk_buff *skb;
486
487 size = NIC_LB_TEST_FRAME_SIZE;
488 /* allocate test skb */
489 skb = alloc_skb(size, GFP_KERNEL);
490 if (!skb)
491 return NIC_LB_TEST_NO_MEM_ERR;
492
493 /* place data into test skb */
494 (void)skb_put(skb, size);
495 skb->dev = ndev;
496 __lb_other_process(NULL, skb);
497 skb->queue_mapping = NIC_LB_TEST_RING_ID;
498
499 lc = 1;
500 for (j = 0; j < lc; j++) {
501 /* reset count of good packets */
502 good_cnt = 0;
503 /* place 64 packets on the transmit queue*/
504 for (i = 0; i < NIC_LB_TEST_PKT_NUM_PER_CYCLE; i++) {
505 (void)skb_get(skb);
506
507 tx_ret_val = (netdev_tx_t)hns_nic_net_xmit_hw(
508 ndev, skb,
509 &tx_ring_data(priv, skb->queue_mapping));
510 if (tx_ret_val == NETDEV_TX_OK)
511 good_cnt++;
512 else
513 break;
514 }
515 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
516 ret_val = NIC_LB_TEST_TX_CNT_ERR;
517 dev_err(priv->dev, "%s sent fail, cnt=0x%x, budget=0x%x\n",
518 hns_nic_test_strs[loop_mode], good_cnt,
519 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
520 break;
521 }
522
523 /* allow 100 milliseconds for packets to go from Tx to Rx */
524 msleep(100);
525
526 good_cnt = __lb_clean_rings(priv,
527 h->q_num, h->q_num * 2 - 1,
528 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
529 if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
530 ret_val = NIC_LB_TEST_RX_CNT_ERR;
531 dev_err(priv->dev, "%s recv fail, cnt=0x%x, budget=0x%x\n",
532 hns_nic_test_strs[loop_mode], good_cnt,
533 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
534 break;
535 }
536 (void)__lb_clean_rings(priv,
537 NIC_LB_TEST_RING_ID, NIC_LB_TEST_RING_ID,
538 NIC_LB_TEST_PKT_NUM_PER_CYCLE);
539 }
540
541 /* free the original skb */
542 kfree_skb(skb);
543
544 return ret_val;
545 }
546
__lb_down(struct net_device * ndev,enum hnae_loop loop)547 static int __lb_down(struct net_device *ndev, enum hnae_loop loop)
548 {
549 struct hns_nic_priv *priv = netdev_priv(ndev);
550 struct hnae_handle *h = priv->ae_handle;
551 int ret;
552
553 if (loop == MAC_INTERNALLOOP_PHY)
554 ret = __lb_setup(ndev, MAC_LOOP_PHY_NONE);
555 else
556 ret = __lb_setup(ndev, MAC_LOOP_NONE);
557 if (ret)
558 netdev_err(ndev, "%s: __lb_setup return error(%d)!\n",
559 __func__,
560 ret);
561
562 if (h->dev->ops->stop)
563 h->dev->ops->stop(h);
564
565 usleep_range(10000, 20000);
566 (void)__lb_clean_rings(priv, 0, h->q_num - 1, 256);
567
568 hns_nic_net_reset(ndev);
569
570 return 0;
571 }
572
573 /**
574 * hns_nic_self_test - self test
575 * @dev: net device
576 * @eth_test: test cmd
577 * @data: test result
578 */
hns_nic_self_test(struct net_device * ndev,struct ethtool_test * eth_test,u64 * data)579 static void hns_nic_self_test(struct net_device *ndev,
580 struct ethtool_test *eth_test, u64 *data)
581 {
582 struct hns_nic_priv *priv = netdev_priv(ndev);
583 bool if_running = netif_running(ndev);
584 #define SELF_TEST_TPYE_NUM 3
585 int st_param[SELF_TEST_TPYE_NUM][2];
586 int i;
587 int test_index = 0;
588
589 st_param[0][0] = MAC_INTERNALLOOP_MAC; /* XGE not supported lb */
590 st_param[0][1] = (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII);
591 st_param[1][0] = MAC_INTERNALLOOP_SERDES;
592 st_param[1][1] = 1; /*serdes must exist*/
593 st_param[2][0] = MAC_INTERNALLOOP_PHY; /* only supporte phy node*/
594 st_param[2][1] = ((!!(priv->ae_handle->phy_dev)) &&
595 (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII));
596
597 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
598 set_bit(NIC_STATE_TESTING, &priv->state);
599
600 if (if_running)
601 dev_close(ndev);
602
603 for (i = 0; i < SELF_TEST_TPYE_NUM; i++) {
604 if (!st_param[i][1])
605 continue; /* NEXT testing */
606
607 data[test_index] = __lb_up(ndev,
608 (enum hnae_loop)st_param[i][0]);
609 if (!data[test_index]) {
610 data[test_index] = __lb_run_test(
611 ndev, (enum hnae_loop)st_param[i][0]);
612 (void)__lb_down(ndev,
613 (enum hnae_loop)st_param[i][0]);
614 }
615
616 if (data[test_index])
617 eth_test->flags |= ETH_TEST_FL_FAILED;
618
619 test_index++;
620 }
621
622 hns_nic_net_reset(priv->netdev);
623
624 clear_bit(NIC_STATE_TESTING, &priv->state);
625
626 if (if_running)
627 (void)dev_open(ndev);
628 }
629 /* Online tests aren't run; pass by default */
630
631 (void)msleep_interruptible(4 * 1000);
632 }
633
634 /**
635 * hns_nic_get_drvinfo - get net driver info
636 * @dev: net device
637 * @drvinfo: driver info
638 */
hns_nic_get_drvinfo(struct net_device * net_dev,struct ethtool_drvinfo * drvinfo)639 static void hns_nic_get_drvinfo(struct net_device *net_dev,
640 struct ethtool_drvinfo *drvinfo)
641 {
642 struct hns_nic_priv *priv = netdev_priv(net_dev);
643
644 strncpy(drvinfo->version, HNAE_DRIVER_VERSION,
645 sizeof(drvinfo->version));
646 drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
647
648 strncpy(drvinfo->driver, HNAE_DRIVER_NAME, sizeof(drvinfo->driver));
649 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
650
651 strncpy(drvinfo->bus_info, priv->dev->bus->name,
652 sizeof(drvinfo->bus_info));
653 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
654
655 strncpy(drvinfo->fw_version, "N/A", ETHTOOL_FWVERS_LEN);
656 drvinfo->eedump_len = 0;
657 }
658
659 /**
660 * hns_get_ringparam - get ring parameter
661 * @dev: net device
662 * @param: ethtool parameter
663 */
hns_get_ringparam(struct net_device * net_dev,struct ethtool_ringparam * param)664 static void hns_get_ringparam(struct net_device *net_dev,
665 struct ethtool_ringparam *param)
666 {
667 struct hns_nic_priv *priv = netdev_priv(net_dev);
668 struct hnae_ae_ops *ops;
669 struct hnae_queue *queue;
670 u32 uplimit = 0;
671
672 queue = priv->ae_handle->qs[0];
673 ops = priv->ae_handle->dev->ops;
674
675 if (ops->get_ring_bdnum_limit)
676 ops->get_ring_bdnum_limit(queue, &uplimit);
677
678 param->rx_max_pending = uplimit;
679 param->tx_max_pending = uplimit;
680 param->rx_pending = queue->rx_ring.desc_num;
681 param->tx_pending = queue->tx_ring.desc_num;
682 }
683
684 /**
685 * hns_get_pauseparam - get pause parameter
686 * @dev: net device
687 * @param: pause parameter
688 */
hns_get_pauseparam(struct net_device * net_dev,struct ethtool_pauseparam * param)689 static void hns_get_pauseparam(struct net_device *net_dev,
690 struct ethtool_pauseparam *param)
691 {
692 struct hns_nic_priv *priv = netdev_priv(net_dev);
693 struct hnae_ae_ops *ops;
694
695 ops = priv->ae_handle->dev->ops;
696
697 if (ops->get_pauseparam)
698 ops->get_pauseparam(priv->ae_handle, ¶m->autoneg,
699 ¶m->rx_pause, ¶m->tx_pause);
700 }
701
702 /**
703 * hns_set_pauseparam - set pause parameter
704 * @dev: net device
705 * @param: pause parameter
706 *
707 * Return 0 on success, negative on failure
708 */
hns_set_pauseparam(struct net_device * net_dev,struct ethtool_pauseparam * param)709 static int hns_set_pauseparam(struct net_device *net_dev,
710 struct ethtool_pauseparam *param)
711 {
712 struct hns_nic_priv *priv = netdev_priv(net_dev);
713 struct hnae_handle *h;
714 struct hnae_ae_ops *ops;
715
716 h = priv->ae_handle;
717 ops = h->dev->ops;
718
719 if (!ops->set_pauseparam)
720 return -ESRCH;
721
722 return ops->set_pauseparam(priv->ae_handle, param->autoneg,
723 param->rx_pause, param->tx_pause);
724 }
725
726 /**
727 * hns_get_coalesce - get coalesce info.
728 * @dev: net device
729 * @ec: coalesce info.
730 *
731 * Return 0 on success, negative on failure.
732 */
hns_get_coalesce(struct net_device * net_dev,struct ethtool_coalesce * ec)733 static int hns_get_coalesce(struct net_device *net_dev,
734 struct ethtool_coalesce *ec)
735 {
736 struct hns_nic_priv *priv = netdev_priv(net_dev);
737 struct hnae_ae_ops *ops;
738
739 ops = priv->ae_handle->dev->ops;
740
741 ec->use_adaptive_rx_coalesce = priv->ae_handle->coal_adapt_en;
742 ec->use_adaptive_tx_coalesce = priv->ae_handle->coal_adapt_en;
743
744 if ((!ops->get_coalesce_usecs) ||
745 (!ops->get_max_coalesced_frames))
746 return -ESRCH;
747
748 ops->get_coalesce_usecs(priv->ae_handle,
749 &ec->tx_coalesce_usecs,
750 &ec->rx_coalesce_usecs);
751
752 ops->get_max_coalesced_frames(
753 priv->ae_handle,
754 &ec->tx_max_coalesced_frames,
755 &ec->rx_max_coalesced_frames);
756
757 ops->get_coalesce_range(priv->ae_handle,
758 &ec->tx_max_coalesced_frames_low,
759 &ec->rx_max_coalesced_frames_low,
760 &ec->tx_max_coalesced_frames_high,
761 &ec->rx_max_coalesced_frames_high,
762 &ec->tx_coalesce_usecs_low,
763 &ec->rx_coalesce_usecs_low,
764 &ec->tx_coalesce_usecs_high,
765 &ec->rx_coalesce_usecs_high);
766
767 return 0;
768 }
769
770 /**
771 * hns_set_coalesce - set coalesce info.
772 * @dev: net device
773 * @ec: coalesce info.
774 *
775 * Return 0 on success, negative on failure.
776 */
hns_set_coalesce(struct net_device * net_dev,struct ethtool_coalesce * ec)777 static int hns_set_coalesce(struct net_device *net_dev,
778 struct ethtool_coalesce *ec)
779 {
780 struct hns_nic_priv *priv = netdev_priv(net_dev);
781 struct hnae_ae_ops *ops;
782 int rc1, rc2;
783
784 ops = priv->ae_handle->dev->ops;
785
786 if (ec->tx_coalesce_usecs != ec->rx_coalesce_usecs)
787 return -EINVAL;
788
789 if ((!ops->set_coalesce_usecs) ||
790 (!ops->set_coalesce_frames))
791 return -ESRCH;
792
793 if (ec->use_adaptive_rx_coalesce != priv->ae_handle->coal_adapt_en)
794 priv->ae_handle->coal_adapt_en = ec->use_adaptive_rx_coalesce;
795
796 rc1 = ops->set_coalesce_usecs(priv->ae_handle,
797 ec->rx_coalesce_usecs);
798
799 rc2 = ops->set_coalesce_frames(priv->ae_handle,
800 ec->tx_max_coalesced_frames,
801 ec->rx_max_coalesced_frames);
802
803 if (rc1 || rc2)
804 return -EINVAL;
805
806 return 0;
807 }
808
809 /**
810 * hns_get_channels - get channel info.
811 * @dev: net device
812 * @ch: channel info.
813 */
814 static void
hns_get_channels(struct net_device * net_dev,struct ethtool_channels * ch)815 hns_get_channels(struct net_device *net_dev, struct ethtool_channels *ch)
816 {
817 struct hns_nic_priv *priv = netdev_priv(net_dev);
818
819 ch->max_rx = priv->ae_handle->q_num;
820 ch->max_tx = priv->ae_handle->q_num;
821
822 ch->rx_count = priv->ae_handle->q_num;
823 ch->tx_count = priv->ae_handle->q_num;
824 }
825
826 /**
827 * get_ethtool_stats - get detail statistics.
828 * @dev: net device
829 * @stats: statistics info.
830 * @data: statistics data.
831 */
hns_get_ethtool_stats(struct net_device * netdev,struct ethtool_stats * stats,u64 * data)832 static void hns_get_ethtool_stats(struct net_device *netdev,
833 struct ethtool_stats *stats, u64 *data)
834 {
835 u64 *p = data;
836 struct hns_nic_priv *priv = netdev_priv(netdev);
837 struct hnae_handle *h = priv->ae_handle;
838 const struct rtnl_link_stats64 *net_stats;
839 struct rtnl_link_stats64 temp;
840
841 if (!h->dev->ops->get_stats || !h->dev->ops->update_stats) {
842 netdev_err(netdev, "get_stats or update_stats is null!\n");
843 return;
844 }
845
846 h->dev->ops->update_stats(h, &netdev->stats);
847
848 net_stats = dev_get_stats(netdev, &temp);
849
850 /* get netdev statistics */
851 p[0] = net_stats->rx_packets;
852 p[1] = net_stats->tx_packets;
853 p[2] = net_stats->rx_bytes;
854 p[3] = net_stats->tx_bytes;
855 p[4] = net_stats->rx_errors;
856 p[5] = net_stats->tx_errors;
857 p[6] = net_stats->rx_dropped;
858 p[7] = net_stats->tx_dropped;
859 p[8] = net_stats->multicast;
860 p[9] = net_stats->collisions;
861 p[10] = net_stats->rx_over_errors;
862 p[11] = net_stats->rx_crc_errors;
863 p[12] = net_stats->rx_frame_errors;
864 p[13] = net_stats->rx_fifo_errors;
865 p[14] = net_stats->rx_missed_errors;
866 p[15] = net_stats->tx_aborted_errors;
867 p[16] = net_stats->tx_carrier_errors;
868 p[17] = net_stats->tx_fifo_errors;
869 p[18] = net_stats->tx_heartbeat_errors;
870 p[19] = net_stats->rx_length_errors;
871 p[20] = net_stats->tx_window_errors;
872 p[21] = net_stats->rx_compressed;
873 p[22] = net_stats->tx_compressed;
874
875 p[23] = netdev->rx_dropped.counter;
876 p[24] = netdev->tx_dropped.counter;
877
878 p[25] = priv->tx_timeout_count;
879
880 /* get driver statistics */
881 h->dev->ops->get_stats(h, &p[26]);
882 }
883
884 /**
885 * get_strings: Return a set of strings that describe the requested objects
886 * @dev: net device
887 * @stats: string set ID.
888 * @data: objects data.
889 */
hns_get_strings(struct net_device * netdev,u32 stringset,u8 * data)890 static void hns_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
891 {
892 struct hns_nic_priv *priv = netdev_priv(netdev);
893 struct hnae_handle *h = priv->ae_handle;
894 char *buff = (char *)data;
895
896 if (!h->dev->ops->get_strings) {
897 netdev_err(netdev, "h->dev->ops->get_strings is null!\n");
898 return;
899 }
900
901 if (stringset == ETH_SS_TEST) {
902 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII) {
903 memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_MAC],
904 ETH_GSTRING_LEN);
905 buff += ETH_GSTRING_LEN;
906 }
907 memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_SERDES],
908 ETH_GSTRING_LEN);
909 buff += ETH_GSTRING_LEN;
910 if ((netdev->phydev) && (!netdev->phydev->is_c45))
911 memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_PHY],
912 ETH_GSTRING_LEN);
913
914 } else {
915 snprintf(buff, ETH_GSTRING_LEN, "rx_packets");
916 buff = buff + ETH_GSTRING_LEN;
917 snprintf(buff, ETH_GSTRING_LEN, "tx_packets");
918 buff = buff + ETH_GSTRING_LEN;
919 snprintf(buff, ETH_GSTRING_LEN, "rx_bytes");
920 buff = buff + ETH_GSTRING_LEN;
921 snprintf(buff, ETH_GSTRING_LEN, "tx_bytes");
922 buff = buff + ETH_GSTRING_LEN;
923 snprintf(buff, ETH_GSTRING_LEN, "rx_errors");
924 buff = buff + ETH_GSTRING_LEN;
925 snprintf(buff, ETH_GSTRING_LEN, "tx_errors");
926 buff = buff + ETH_GSTRING_LEN;
927 snprintf(buff, ETH_GSTRING_LEN, "rx_dropped");
928 buff = buff + ETH_GSTRING_LEN;
929 snprintf(buff, ETH_GSTRING_LEN, "tx_dropped");
930 buff = buff + ETH_GSTRING_LEN;
931 snprintf(buff, ETH_GSTRING_LEN, "multicast");
932 buff = buff + ETH_GSTRING_LEN;
933 snprintf(buff, ETH_GSTRING_LEN, "collisions");
934 buff = buff + ETH_GSTRING_LEN;
935 snprintf(buff, ETH_GSTRING_LEN, "rx_over_errors");
936 buff = buff + ETH_GSTRING_LEN;
937 snprintf(buff, ETH_GSTRING_LEN, "rx_crc_errors");
938 buff = buff + ETH_GSTRING_LEN;
939 snprintf(buff, ETH_GSTRING_LEN, "rx_frame_errors");
940 buff = buff + ETH_GSTRING_LEN;
941 snprintf(buff, ETH_GSTRING_LEN, "rx_fifo_errors");
942 buff = buff + ETH_GSTRING_LEN;
943 snprintf(buff, ETH_GSTRING_LEN, "rx_missed_errors");
944 buff = buff + ETH_GSTRING_LEN;
945 snprintf(buff, ETH_GSTRING_LEN, "tx_aborted_errors");
946 buff = buff + ETH_GSTRING_LEN;
947 snprintf(buff, ETH_GSTRING_LEN, "tx_carrier_errors");
948 buff = buff + ETH_GSTRING_LEN;
949 snprintf(buff, ETH_GSTRING_LEN, "tx_fifo_errors");
950 buff = buff + ETH_GSTRING_LEN;
951 snprintf(buff, ETH_GSTRING_LEN, "tx_heartbeat_errors");
952 buff = buff + ETH_GSTRING_LEN;
953 snprintf(buff, ETH_GSTRING_LEN, "rx_length_errors");
954 buff = buff + ETH_GSTRING_LEN;
955 snprintf(buff, ETH_GSTRING_LEN, "tx_window_errors");
956 buff = buff + ETH_GSTRING_LEN;
957 snprintf(buff, ETH_GSTRING_LEN, "rx_compressed");
958 buff = buff + ETH_GSTRING_LEN;
959 snprintf(buff, ETH_GSTRING_LEN, "tx_compressed");
960 buff = buff + ETH_GSTRING_LEN;
961 snprintf(buff, ETH_GSTRING_LEN, "netdev_rx_dropped");
962 buff = buff + ETH_GSTRING_LEN;
963 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_dropped");
964 buff = buff + ETH_GSTRING_LEN;
965
966 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_timeout");
967 buff = buff + ETH_GSTRING_LEN;
968
969 h->dev->ops->get_strings(h, stringset, (u8 *)buff);
970 }
971 }
972
973 /**
974 * nic_get_sset_count - get string set count witch returned by nic_get_strings.
975 * @dev: net device
976 * @stringset: string set index, 0: self test string; 1: statistics string.
977 *
978 * Return string set count.
979 */
hns_get_sset_count(struct net_device * netdev,int stringset)980 static int hns_get_sset_count(struct net_device *netdev, int stringset)
981 {
982 struct hns_nic_priv *priv = netdev_priv(netdev);
983 struct hnae_handle *h = priv->ae_handle;
984 struct hnae_ae_ops *ops = h->dev->ops;
985
986 if (!ops->get_sset_count) {
987 netdev_err(netdev, "get_sset_count is null!\n");
988 return -EOPNOTSUPP;
989 }
990 if (stringset == ETH_SS_TEST) {
991 u32 cnt = (sizeof(hns_nic_test_strs) / ETH_GSTRING_LEN);
992
993 if (priv->ae_handle->phy_if == PHY_INTERFACE_MODE_XGMII)
994 cnt--;
995
996 if ((!netdev->phydev) || (netdev->phydev->is_c45))
997 cnt--;
998
999 return cnt;
1000 } else if (stringset == ETH_SS_STATS) {
1001 return (HNS_NET_STATS_CNT + ops->get_sset_count(h, stringset));
1002 } else {
1003 return -EOPNOTSUPP;
1004 }
1005 }
1006
1007 /**
1008 * hns_phy_led_set - set phy LED status.
1009 * @dev: net device
1010 * @value: LED state.
1011 *
1012 * Return 0 on success, negative on failure.
1013 */
hns_phy_led_set(struct net_device * netdev,int value)1014 static int hns_phy_led_set(struct net_device *netdev, int value)
1015 {
1016 int retval;
1017 struct phy_device *phy_dev = netdev->phydev;
1018
1019 retval = phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_LED);
1020 retval |= phy_write(phy_dev, HNS_LED_FC_REG, value);
1021 retval |= phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
1022 if (retval) {
1023 netdev_err(netdev, "mdiobus_write fail !\n");
1024 return retval;
1025 }
1026 return 0;
1027 }
1028
1029 /**
1030 * nic_set_phys_id - set phy identify LED.
1031 * @dev: net device
1032 * @state: LED state.
1033 *
1034 * Return 0 on success, negative on failure.
1035 */
1036 static int
hns_set_phys_id(struct net_device * netdev,enum ethtool_phys_id_state state)1037 hns_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
1038 {
1039 struct hns_nic_priv *priv = netdev_priv(netdev);
1040 struct hnae_handle *h = priv->ae_handle;
1041 struct phy_device *phy_dev = netdev->phydev;
1042 int ret;
1043
1044 if (phy_dev)
1045 switch (state) {
1046 case ETHTOOL_ID_ACTIVE:
1047 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1048 HNS_PHY_PAGE_LED);
1049 if (ret)
1050 return ret;
1051
1052 priv->phy_led_val = phy_read(phy_dev, HNS_LED_FC_REG);
1053
1054 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1055 HNS_PHY_PAGE_COPPER);
1056 if (ret)
1057 return ret;
1058 return 2;
1059 case ETHTOOL_ID_ON:
1060 ret = hns_phy_led_set(netdev, HNS_LED_FORCE_ON);
1061 if (ret)
1062 return ret;
1063 break;
1064 case ETHTOOL_ID_OFF:
1065 ret = hns_phy_led_set(netdev, HNS_LED_FORCE_OFF);
1066 if (ret)
1067 return ret;
1068 break;
1069 case ETHTOOL_ID_INACTIVE:
1070 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1071 HNS_PHY_PAGE_LED);
1072 if (ret)
1073 return ret;
1074
1075 ret = phy_write(phy_dev, HNS_LED_FC_REG,
1076 priv->phy_led_val);
1077 if (ret)
1078 return ret;
1079
1080 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1081 HNS_PHY_PAGE_COPPER);
1082 if (ret)
1083 return ret;
1084 break;
1085 default:
1086 return -EINVAL;
1087 }
1088 else
1089 switch (state) {
1090 case ETHTOOL_ID_ACTIVE:
1091 return h->dev->ops->set_led_id(h, HNAE_LED_ACTIVE);
1092 case ETHTOOL_ID_ON:
1093 return h->dev->ops->set_led_id(h, HNAE_LED_ON);
1094 case ETHTOOL_ID_OFF:
1095 return h->dev->ops->set_led_id(h, HNAE_LED_OFF);
1096 case ETHTOOL_ID_INACTIVE:
1097 return h->dev->ops->set_led_id(h, HNAE_LED_INACTIVE);
1098 default:
1099 return -EINVAL;
1100 }
1101
1102 return 0;
1103 }
1104
1105 /**
1106 * hns_get_regs - get net device register
1107 * @dev: net device
1108 * @cmd: ethtool cmd
1109 * @date: register data
1110 */
hns_get_regs(struct net_device * net_dev,struct ethtool_regs * cmd,void * data)1111 static void hns_get_regs(struct net_device *net_dev, struct ethtool_regs *cmd,
1112 void *data)
1113 {
1114 struct hns_nic_priv *priv = netdev_priv(net_dev);
1115 struct hnae_ae_ops *ops;
1116
1117 ops = priv->ae_handle->dev->ops;
1118
1119 cmd->version = HNS_CHIP_VERSION;
1120 if (!ops->get_regs) {
1121 netdev_err(net_dev, "ops->get_regs is null!\n");
1122 return;
1123 }
1124 ops->get_regs(priv->ae_handle, data);
1125 }
1126
1127 /**
1128 * nic_get_regs_len - get total register len.
1129 * @dev: net device
1130 *
1131 * Return total register len.
1132 */
hns_get_regs_len(struct net_device * net_dev)1133 static int hns_get_regs_len(struct net_device *net_dev)
1134 {
1135 u32 reg_num;
1136 struct hns_nic_priv *priv = netdev_priv(net_dev);
1137 struct hnae_ae_ops *ops;
1138
1139 ops = priv->ae_handle->dev->ops;
1140 if (!ops->get_regs_len) {
1141 netdev_err(net_dev, "ops->get_regs_len is null!\n");
1142 return -EOPNOTSUPP;
1143 }
1144
1145 reg_num = ops->get_regs_len(priv->ae_handle);
1146 if (reg_num > 0)
1147 return reg_num * sizeof(u32);
1148 else
1149 return reg_num; /* error code */
1150 }
1151
1152 /**
1153 * hns_nic_nway_reset - nway reset
1154 * @dev: net device
1155 *
1156 * Return 0 on success, negative on failure
1157 */
hns_nic_nway_reset(struct net_device * netdev)1158 static int hns_nic_nway_reset(struct net_device *netdev)
1159 {
1160 int ret = 0;
1161 struct phy_device *phy = netdev->phydev;
1162
1163 if (netif_running(netdev)) {
1164 /* if autoneg is disabled, don't restart auto-negotiation */
1165 if (phy && phy->autoneg == AUTONEG_ENABLE)
1166 ret = genphy_restart_aneg(phy);
1167 }
1168
1169 return ret;
1170 }
1171
1172 static u32
hns_get_rss_key_size(struct net_device * netdev)1173 hns_get_rss_key_size(struct net_device *netdev)
1174 {
1175 struct hns_nic_priv *priv = netdev_priv(netdev);
1176 struct hnae_ae_ops *ops;
1177
1178 if (AE_IS_VER1(priv->enet_ver)) {
1179 netdev_err(netdev,
1180 "RSS feature is not supported on this hardware\n");
1181 return 0;
1182 }
1183
1184 ops = priv->ae_handle->dev->ops;
1185 return ops->get_rss_key_size(priv->ae_handle);
1186 }
1187
1188 static u32
hns_get_rss_indir_size(struct net_device * netdev)1189 hns_get_rss_indir_size(struct net_device *netdev)
1190 {
1191 struct hns_nic_priv *priv = netdev_priv(netdev);
1192 struct hnae_ae_ops *ops;
1193
1194 if (AE_IS_VER1(priv->enet_ver)) {
1195 netdev_err(netdev,
1196 "RSS feature is not supported on this hardware\n");
1197 return 0;
1198 }
1199
1200 ops = priv->ae_handle->dev->ops;
1201 return ops->get_rss_indir_size(priv->ae_handle);
1202 }
1203
1204 static int
hns_get_rss(struct net_device * netdev,u32 * indir,u8 * key,u8 * hfunc)1205 hns_get_rss(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
1206 {
1207 struct hns_nic_priv *priv = netdev_priv(netdev);
1208 struct hnae_ae_ops *ops;
1209
1210 if (AE_IS_VER1(priv->enet_ver)) {
1211 netdev_err(netdev,
1212 "RSS feature is not supported on this hardware\n");
1213 return -EOPNOTSUPP;
1214 }
1215
1216 ops = priv->ae_handle->dev->ops;
1217
1218 if (!indir)
1219 return 0;
1220
1221 return ops->get_rss(priv->ae_handle, indir, key, hfunc);
1222 }
1223
1224 static int
hns_set_rss(struct net_device * netdev,const u32 * indir,const u8 * key,const u8 hfunc)1225 hns_set_rss(struct net_device *netdev, const u32 *indir, const u8 *key,
1226 const u8 hfunc)
1227 {
1228 struct hns_nic_priv *priv = netdev_priv(netdev);
1229 struct hnae_ae_ops *ops;
1230
1231 if (AE_IS_VER1(priv->enet_ver)) {
1232 netdev_err(netdev,
1233 "RSS feature is not supported on this hardware\n");
1234 return -EOPNOTSUPP;
1235 }
1236
1237 ops = priv->ae_handle->dev->ops;
1238
1239 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) {
1240 netdev_err(netdev, "Invalid hfunc!\n");
1241 return -EOPNOTSUPP;
1242 }
1243
1244 return ops->set_rss(priv->ae_handle, indir, key, hfunc);
1245 }
1246
hns_get_rxnfc(struct net_device * netdev,struct ethtool_rxnfc * cmd,u32 * rule_locs)1247 static int hns_get_rxnfc(struct net_device *netdev,
1248 struct ethtool_rxnfc *cmd,
1249 u32 *rule_locs)
1250 {
1251 struct hns_nic_priv *priv = netdev_priv(netdev);
1252
1253 switch (cmd->cmd) {
1254 case ETHTOOL_GRXRINGS:
1255 cmd->data = priv->ae_handle->q_num;
1256 break;
1257 default:
1258 return -EOPNOTSUPP;
1259 }
1260
1261 return 0;
1262 }
1263
1264 static const struct ethtool_ops hns_ethtool_ops = {
1265 .get_drvinfo = hns_nic_get_drvinfo,
1266 .get_link = hns_nic_get_link,
1267 .get_ringparam = hns_get_ringparam,
1268 .get_pauseparam = hns_get_pauseparam,
1269 .set_pauseparam = hns_set_pauseparam,
1270 .get_coalesce = hns_get_coalesce,
1271 .set_coalesce = hns_set_coalesce,
1272 .get_channels = hns_get_channels,
1273 .self_test = hns_nic_self_test,
1274 .get_strings = hns_get_strings,
1275 .get_sset_count = hns_get_sset_count,
1276 .get_ethtool_stats = hns_get_ethtool_stats,
1277 .set_phys_id = hns_set_phys_id,
1278 .get_regs_len = hns_get_regs_len,
1279 .get_regs = hns_get_regs,
1280 .nway_reset = hns_nic_nway_reset,
1281 .get_rxfh_key_size = hns_get_rss_key_size,
1282 .get_rxfh_indir_size = hns_get_rss_indir_size,
1283 .get_rxfh = hns_get_rss,
1284 .set_rxfh = hns_set_rss,
1285 .get_rxnfc = hns_get_rxnfc,
1286 .get_link_ksettings = hns_nic_get_link_ksettings,
1287 .set_link_ksettings = hns_nic_set_link_ksettings,
1288 };
1289
hns_ethtool_set_ops(struct net_device * ndev)1290 void hns_ethtool_set_ops(struct net_device *ndev)
1291 {
1292 ndev->ethtool_ops = &hns_ethtool_ops;
1293 }
1294
