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 case MAC_LOOP_NONE:
313 if (!ret && h->dev->ops->set_loopback) {
314 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
315 ret = h->dev->ops->set_loopback(h,
316 MAC_INTERNALLOOP_MAC, 0x0);
317
318 if (!ret)
319 ret = h->dev->ops->set_loopback(h,
320 MAC_INTERNALLOOP_SERDES, 0x0);
321 }
322 break;
323 default:
324 ret = -EINVAL;
325 break;
326 }
327
328 if (!ret) {
329 if (loop == MAC_LOOP_NONE)
330 h->dev->ops->set_promisc_mode(
331 h, ndev->flags & IFF_PROMISC);
332 else
333 h->dev->ops->set_promisc_mode(h, 1);
334 }
335 return ret;
336 }
337
__lb_up(struct net_device * ndev,enum hnae_loop loop_mode)338 static int __lb_up(struct net_device *ndev,
339 enum hnae_loop loop_mode)
340 {
341 #define NIC_LB_TEST_WAIT_PHY_LINK_TIME 300
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 /* wait adjust link done and phy ready */
369 msleep(NIC_LB_TEST_WAIT_PHY_LINK_TIME);
370
371 return 0;
372 }
373
__lb_other_process(struct hns_nic_ring_data * ring_data,struct sk_buff * skb)374 static void __lb_other_process(struct hns_nic_ring_data *ring_data,
375 struct sk_buff *skb)
376 {
377 struct net_device *ndev;
378 struct hns_nic_priv *priv;
379 struct hnae_ring *ring;
380 struct netdev_queue *dev_queue;
381 struct sk_buff *new_skb;
382 unsigned int frame_size;
383 int check_ok;
384 u32 i;
385 char buff[33]; /* 32B data and the last character '\0' */
386
387 if (!ring_data) { /* Just for doing create frame*/
388 ndev = skb->dev;
389 priv = netdev_priv(ndev);
390
391 frame_size = skb->len;
392 memset(skb->data, 0xFF, frame_size);
393 if ((!AE_IS_VER1(priv->enet_ver)) &&
394 (priv->ae_handle->port_type == HNAE_PORT_SERVICE)) {
395 memcpy(skb->data, ndev->dev_addr, 6);
396 skb->data[5] += 0x1f;
397 }
398
399 frame_size &= ~1ul;
400 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
401 memset(&skb->data[frame_size / 2 + 10], 0xBE,
402 frame_size / 2 - 11);
403 memset(&skb->data[frame_size / 2 + 12], 0xAF,
404 frame_size / 2 - 13);
405 return;
406 }
407
408 ring = ring_data->ring;
409 ndev = ring_data->napi.dev;
410 if (is_tx_ring(ring)) { /* for tx queue reset*/
411 dev_queue = netdev_get_tx_queue(ndev, ring_data->queue_index);
412 netdev_tx_reset_queue(dev_queue);
413 return;
414 }
415
416 frame_size = skb->len;
417 frame_size &= ~1ul;
418 /* for mutl buffer*/
419 new_skb = skb_copy(skb, GFP_ATOMIC);
420 dev_kfree_skb_any(skb);
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
__lb_clean_rings(struct hns_nic_priv * priv,int ringid0,int ringid1,int budget)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 * nic_run_loopback_test - run loopback test
469 * @nic_dev: net device
470 * @loopback_type: loopback type
471 */
__lb_run_test(struct net_device * ndev,enum hnae_loop loop_mode)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 #define NIC_LB_TEST_RX_PKG_ERR 4
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
__lb_down(struct net_device * ndev,enum hnae_loop loop)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 * @dev: net device
579 * @eth_test: test cmd
580 * @data: test result
581 */
hns_nic_self_test(struct net_device * ndev,struct ethtool_test * eth_test,u64 * data)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);
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 * @dev: net device
640 * @drvinfo: driver info
641 */
hns_nic_get_drvinfo(struct net_device * net_dev,struct ethtool_drvinfo * drvinfo)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 strncpy(drvinfo->version, HNAE_DRIVER_VERSION,
648 sizeof(drvinfo->version));
649 drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
650
651 strncpy(drvinfo->driver, HNAE_DRIVER_NAME, sizeof(drvinfo->driver));
652 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
653
654 strncpy(drvinfo->bus_info, priv->dev->bus->name,
655 sizeof(drvinfo->bus_info));
656 drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
657
658 strncpy(drvinfo->fw_version, "N/A", ETHTOOL_FWVERS_LEN);
659 drvinfo->eedump_len = 0;
660 }
661
662 /**
663 * hns_get_ringparam - get ring parameter
664 * @dev: net device
665 * @param: ethtool parameter
666 */
hns_get_ringparam(struct net_device * net_dev,struct ethtool_ringparam * param)667 void hns_get_ringparam(struct net_device *net_dev,
668 struct ethtool_ringparam *param)
669 {
670 struct hns_nic_priv *priv = netdev_priv(net_dev);
671 struct hnae_ae_ops *ops;
672 struct hnae_queue *queue;
673 u32 uplimit = 0;
674
675 queue = priv->ae_handle->qs[0];
676 ops = priv->ae_handle->dev->ops;
677
678 if (ops->get_ring_bdnum_limit)
679 ops->get_ring_bdnum_limit(queue, &uplimit);
680
681 param->rx_max_pending = uplimit;
682 param->tx_max_pending = uplimit;
683 param->rx_pending = queue->rx_ring.desc_num;
684 param->tx_pending = queue->tx_ring.desc_num;
685 }
686
687 /**
688 * hns_get_pauseparam - get pause parameter
689 * @dev: net device
690 * @param: pause parameter
691 */
hns_get_pauseparam(struct net_device * net_dev,struct ethtool_pauseparam * param)692 static void hns_get_pauseparam(struct net_device *net_dev,
693 struct ethtool_pauseparam *param)
694 {
695 struct hns_nic_priv *priv = netdev_priv(net_dev);
696 struct hnae_ae_ops *ops;
697
698 ops = priv->ae_handle->dev->ops;
699
700 if (ops->get_pauseparam)
701 ops->get_pauseparam(priv->ae_handle, ¶m->autoneg,
702 ¶m->rx_pause, ¶m->tx_pause);
703 }
704
705 /**
706 * hns_set_pauseparam - set pause parameter
707 * @dev: net device
708 * @param: pause parameter
709 *
710 * Return 0 on success, negative on failure
711 */
hns_set_pauseparam(struct net_device * net_dev,struct ethtool_pauseparam * param)712 static int hns_set_pauseparam(struct net_device *net_dev,
713 struct ethtool_pauseparam *param)
714 {
715 struct hns_nic_priv *priv = netdev_priv(net_dev);
716 struct hnae_handle *h;
717 struct hnae_ae_ops *ops;
718
719 h = priv->ae_handle;
720 ops = h->dev->ops;
721
722 if (!ops->set_pauseparam)
723 return -ESRCH;
724
725 return ops->set_pauseparam(priv->ae_handle, param->autoneg,
726 param->rx_pause, param->tx_pause);
727 }
728
729 /**
730 * hns_get_coalesce - get coalesce info.
731 * @dev: net device
732 * @ec: coalesce info.
733 *
734 * Return 0 on success, negative on failure.
735 */
hns_get_coalesce(struct net_device * net_dev,struct ethtool_coalesce * ec)736 static int hns_get_coalesce(struct net_device *net_dev,
737 struct ethtool_coalesce *ec)
738 {
739 struct hns_nic_priv *priv = netdev_priv(net_dev);
740 struct hnae_ae_ops *ops;
741
742 ops = priv->ae_handle->dev->ops;
743
744 ec->use_adaptive_rx_coalesce = priv->ae_handle->coal_adapt_en;
745 ec->use_adaptive_tx_coalesce = priv->ae_handle->coal_adapt_en;
746
747 if ((!ops->get_coalesce_usecs) ||
748 (!ops->get_max_coalesced_frames))
749 return -ESRCH;
750
751 ops->get_coalesce_usecs(priv->ae_handle,
752 &ec->tx_coalesce_usecs,
753 &ec->rx_coalesce_usecs);
754
755 ops->get_max_coalesced_frames(
756 priv->ae_handle,
757 &ec->tx_max_coalesced_frames,
758 &ec->rx_max_coalesced_frames);
759
760 ops->get_coalesce_range(priv->ae_handle,
761 &ec->tx_max_coalesced_frames_low,
762 &ec->rx_max_coalesced_frames_low,
763 &ec->tx_max_coalesced_frames_high,
764 &ec->rx_max_coalesced_frames_high,
765 &ec->tx_coalesce_usecs_low,
766 &ec->rx_coalesce_usecs_low,
767 &ec->tx_coalesce_usecs_high,
768 &ec->rx_coalesce_usecs_high);
769
770 return 0;
771 }
772
773 /**
774 * hns_set_coalesce - set coalesce info.
775 * @dev: net device
776 * @ec: coalesce info.
777 *
778 * Return 0 on success, negative on failure.
779 */
hns_set_coalesce(struct net_device * net_dev,struct ethtool_coalesce * ec)780 static int hns_set_coalesce(struct net_device *net_dev,
781 struct ethtool_coalesce *ec)
782 {
783 struct hns_nic_priv *priv = netdev_priv(net_dev);
784 struct hnae_ae_ops *ops;
785 int rc1, rc2;
786
787 ops = priv->ae_handle->dev->ops;
788
789 if (ec->tx_coalesce_usecs != ec->rx_coalesce_usecs)
790 return -EINVAL;
791
792 if ((!ops->set_coalesce_usecs) ||
793 (!ops->set_coalesce_frames))
794 return -ESRCH;
795
796 if (ec->use_adaptive_rx_coalesce != priv->ae_handle->coal_adapt_en)
797 priv->ae_handle->coal_adapt_en = ec->use_adaptive_rx_coalesce;
798
799 rc1 = ops->set_coalesce_usecs(priv->ae_handle,
800 ec->rx_coalesce_usecs);
801
802 rc2 = ops->set_coalesce_frames(priv->ae_handle,
803 ec->tx_max_coalesced_frames,
804 ec->rx_max_coalesced_frames);
805
806 if (rc1 || rc2)
807 return -EINVAL;
808
809 return 0;
810 }
811
812 /**
813 * hns_get_channels - get channel info.
814 * @dev: net device
815 * @ch: channel info.
816 */
hns_get_channels(struct net_device * net_dev,struct ethtool_channels * ch)817 void hns_get_channels(struct net_device *net_dev, struct ethtool_channels *ch)
818 {
819 struct hns_nic_priv *priv = netdev_priv(net_dev);
820
821 ch->max_rx = priv->ae_handle->q_num;
822 ch->max_tx = priv->ae_handle->q_num;
823
824 ch->rx_count = priv->ae_handle->q_num;
825 ch->tx_count = priv->ae_handle->q_num;
826 }
827
828 /**
829 * get_ethtool_stats - get detail statistics.
830 * @dev: net device
831 * @stats: statistics info.
832 * @data: statistics data.
833 */
hns_get_ethtool_stats(struct net_device * netdev,struct ethtool_stats * stats,u64 * data)834 void hns_get_ethtool_stats(struct net_device *netdev,
835 struct ethtool_stats *stats, u64 *data)
836 {
837 u64 *p = data;
838 struct hns_nic_priv *priv = netdev_priv(netdev);
839 struct hnae_handle *h = priv->ae_handle;
840 const struct rtnl_link_stats64 *net_stats;
841 struct rtnl_link_stats64 temp;
842
843 if (!h->dev->ops->get_stats || !h->dev->ops->update_stats) {
844 netdev_err(netdev, "get_stats or update_stats is null!\n");
845 return;
846 }
847
848 h->dev->ops->update_stats(h, &netdev->stats);
849
850 net_stats = dev_get_stats(netdev, &temp);
851
852 /* get netdev statistics */
853 p[0] = net_stats->rx_packets;
854 p[1] = net_stats->tx_packets;
855 p[2] = net_stats->rx_bytes;
856 p[3] = net_stats->tx_bytes;
857 p[4] = net_stats->rx_errors;
858 p[5] = net_stats->tx_errors;
859 p[6] = net_stats->rx_dropped;
860 p[7] = net_stats->tx_dropped;
861 p[8] = net_stats->multicast;
862 p[9] = net_stats->collisions;
863 p[10] = net_stats->rx_over_errors;
864 p[11] = net_stats->rx_crc_errors;
865 p[12] = net_stats->rx_frame_errors;
866 p[13] = net_stats->rx_fifo_errors;
867 p[14] = net_stats->rx_missed_errors;
868 p[15] = net_stats->tx_aborted_errors;
869 p[16] = net_stats->tx_carrier_errors;
870 p[17] = net_stats->tx_fifo_errors;
871 p[18] = net_stats->tx_heartbeat_errors;
872 p[19] = net_stats->rx_length_errors;
873 p[20] = net_stats->tx_window_errors;
874 p[21] = net_stats->rx_compressed;
875 p[22] = net_stats->tx_compressed;
876
877 p[23] = netdev->rx_dropped.counter;
878 p[24] = netdev->tx_dropped.counter;
879
880 p[25] = priv->tx_timeout_count;
881
882 /* get driver statistics */
883 h->dev->ops->get_stats(h, &p[26]);
884 }
885
886 /**
887 * get_strings: Return a set of strings that describe the requested objects
888 * @dev: net device
889 * @stats: string set ID.
890 * @data: objects data.
891 */
hns_get_strings(struct net_device * netdev,u32 stringset,u8 * data)892 void hns_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
893 {
894 struct hns_nic_priv *priv = netdev_priv(netdev);
895 struct hnae_handle *h = priv->ae_handle;
896 char *buff = (char *)data;
897
898 if (!h->dev->ops->get_strings) {
899 netdev_err(netdev, "h->dev->ops->get_strings is null!\n");
900 return;
901 }
902
903 if (stringset == ETH_SS_TEST) {
904 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII) {
905 memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_MAC],
906 ETH_GSTRING_LEN);
907 buff += ETH_GSTRING_LEN;
908 }
909 memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_SERDES],
910 ETH_GSTRING_LEN);
911 buff += ETH_GSTRING_LEN;
912 if ((netdev->phydev) && (!netdev->phydev->is_c45))
913 memcpy(buff, hns_nic_test_strs[MAC_INTERNALLOOP_PHY],
914 ETH_GSTRING_LEN);
915
916 } else {
917 snprintf(buff, ETH_GSTRING_LEN, "rx_packets");
918 buff = buff + ETH_GSTRING_LEN;
919 snprintf(buff, ETH_GSTRING_LEN, "tx_packets");
920 buff = buff + ETH_GSTRING_LEN;
921 snprintf(buff, ETH_GSTRING_LEN, "rx_bytes");
922 buff = buff + ETH_GSTRING_LEN;
923 snprintf(buff, ETH_GSTRING_LEN, "tx_bytes");
924 buff = buff + ETH_GSTRING_LEN;
925 snprintf(buff, ETH_GSTRING_LEN, "rx_errors");
926 buff = buff + ETH_GSTRING_LEN;
927 snprintf(buff, ETH_GSTRING_LEN, "tx_errors");
928 buff = buff + ETH_GSTRING_LEN;
929 snprintf(buff, ETH_GSTRING_LEN, "rx_dropped");
930 buff = buff + ETH_GSTRING_LEN;
931 snprintf(buff, ETH_GSTRING_LEN, "tx_dropped");
932 buff = buff + ETH_GSTRING_LEN;
933 snprintf(buff, ETH_GSTRING_LEN, "multicast");
934 buff = buff + ETH_GSTRING_LEN;
935 snprintf(buff, ETH_GSTRING_LEN, "collisions");
936 buff = buff + ETH_GSTRING_LEN;
937 snprintf(buff, ETH_GSTRING_LEN, "rx_over_errors");
938 buff = buff + ETH_GSTRING_LEN;
939 snprintf(buff, ETH_GSTRING_LEN, "rx_crc_errors");
940 buff = buff + ETH_GSTRING_LEN;
941 snprintf(buff, ETH_GSTRING_LEN, "rx_frame_errors");
942 buff = buff + ETH_GSTRING_LEN;
943 snprintf(buff, ETH_GSTRING_LEN, "rx_fifo_errors");
944 buff = buff + ETH_GSTRING_LEN;
945 snprintf(buff, ETH_GSTRING_LEN, "rx_missed_errors");
946 buff = buff + ETH_GSTRING_LEN;
947 snprintf(buff, ETH_GSTRING_LEN, "tx_aborted_errors");
948 buff = buff + ETH_GSTRING_LEN;
949 snprintf(buff, ETH_GSTRING_LEN, "tx_carrier_errors");
950 buff = buff + ETH_GSTRING_LEN;
951 snprintf(buff, ETH_GSTRING_LEN, "tx_fifo_errors");
952 buff = buff + ETH_GSTRING_LEN;
953 snprintf(buff, ETH_GSTRING_LEN, "tx_heartbeat_errors");
954 buff = buff + ETH_GSTRING_LEN;
955 snprintf(buff, ETH_GSTRING_LEN, "rx_length_errors");
956 buff = buff + ETH_GSTRING_LEN;
957 snprintf(buff, ETH_GSTRING_LEN, "tx_window_errors");
958 buff = buff + ETH_GSTRING_LEN;
959 snprintf(buff, ETH_GSTRING_LEN, "rx_compressed");
960 buff = buff + ETH_GSTRING_LEN;
961 snprintf(buff, ETH_GSTRING_LEN, "tx_compressed");
962 buff = buff + ETH_GSTRING_LEN;
963 snprintf(buff, ETH_GSTRING_LEN, "netdev_rx_dropped");
964 buff = buff + ETH_GSTRING_LEN;
965 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_dropped");
966 buff = buff + ETH_GSTRING_LEN;
967
968 snprintf(buff, ETH_GSTRING_LEN, "netdev_tx_timeout");
969 buff = buff + ETH_GSTRING_LEN;
970
971 h->dev->ops->get_strings(h, stringset, (u8 *)buff);
972 }
973 }
974
975 /**
976 * nic_get_sset_count - get string set count witch returned by nic_get_strings.
977 * @dev: net device
978 * @stringset: string set index, 0: self test string; 1: statistics string.
979 *
980 * Return string set count.
981 */
hns_get_sset_count(struct net_device * netdev,int stringset)982 int hns_get_sset_count(struct net_device *netdev, int stringset)
983 {
984 struct hns_nic_priv *priv = netdev_priv(netdev);
985 struct hnae_handle *h = priv->ae_handle;
986 struct hnae_ae_ops *ops = h->dev->ops;
987
988 if (!ops->get_sset_count) {
989 netdev_err(netdev, "get_sset_count is null!\n");
990 return -EOPNOTSUPP;
991 }
992 if (stringset == ETH_SS_TEST) {
993 u32 cnt = (sizeof(hns_nic_test_strs) / ETH_GSTRING_LEN);
994
995 if (priv->ae_handle->phy_if == PHY_INTERFACE_MODE_XGMII)
996 cnt--;
997
998 if ((!netdev->phydev) || (netdev->phydev->is_c45))
999 cnt--;
1000
1001 return cnt;
1002 } else if (stringset == ETH_SS_STATS) {
1003 return (HNS_NET_STATS_CNT + ops->get_sset_count(h, stringset));
1004 } else {
1005 return -EOPNOTSUPP;
1006 }
1007 }
1008
1009 /**
1010 * hns_phy_led_set - set phy LED status.
1011 * @dev: net device
1012 * @value: LED state.
1013 *
1014 * Return 0 on success, negative on failure.
1015 */
hns_phy_led_set(struct net_device * netdev,int value)1016 int hns_phy_led_set(struct net_device *netdev, int value)
1017 {
1018 int retval;
1019 struct phy_device *phy_dev = netdev->phydev;
1020
1021 retval = phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_LED);
1022 retval |= phy_write(phy_dev, HNS_LED_FC_REG, value);
1023 retval |= phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
1024 if (retval) {
1025 netdev_err(netdev, "mdiobus_write fail !\n");
1026 return retval;
1027 }
1028 return 0;
1029 }
1030
1031 /**
1032 * nic_set_phys_id - set phy identify LED.
1033 * @dev: net device
1034 * @state: LED state.
1035 *
1036 * Return 0 on success, negative on failure.
1037 */
hns_set_phys_id(struct net_device * netdev,enum ethtool_phys_id_state state)1038 int hns_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
1039 {
1040 struct hns_nic_priv *priv = netdev_priv(netdev);
1041 struct hnae_handle *h = priv->ae_handle;
1042 struct phy_device *phy_dev = netdev->phydev;
1043 int ret;
1044
1045 if (phy_dev)
1046 switch (state) {
1047 case ETHTOOL_ID_ACTIVE:
1048 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1049 HNS_PHY_PAGE_LED);
1050 if (ret)
1051 return ret;
1052
1053 priv->phy_led_val = phy_read(phy_dev, HNS_LED_FC_REG);
1054
1055 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1056 HNS_PHY_PAGE_COPPER);
1057 if (ret)
1058 return ret;
1059 return 2;
1060 case ETHTOOL_ID_ON:
1061 ret = hns_phy_led_set(netdev, HNS_LED_FORCE_ON);
1062 if (ret)
1063 return ret;
1064 break;
1065 case ETHTOOL_ID_OFF:
1066 ret = hns_phy_led_set(netdev, HNS_LED_FORCE_OFF);
1067 if (ret)
1068 return ret;
1069 break;
1070 case ETHTOOL_ID_INACTIVE:
1071 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1072 HNS_PHY_PAGE_LED);
1073 if (ret)
1074 return ret;
1075
1076 ret = phy_write(phy_dev, HNS_LED_FC_REG,
1077 priv->phy_led_val);
1078 if (ret)
1079 return ret;
1080
1081 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1082 HNS_PHY_PAGE_COPPER);
1083 if (ret)
1084 return ret;
1085 break;
1086 default:
1087 return -EINVAL;
1088 }
1089 else
1090 switch (state) {
1091 case ETHTOOL_ID_ACTIVE:
1092 return h->dev->ops->set_led_id(h, HNAE_LED_ACTIVE);
1093 case ETHTOOL_ID_ON:
1094 return h->dev->ops->set_led_id(h, HNAE_LED_ON);
1095 case ETHTOOL_ID_OFF:
1096 return h->dev->ops->set_led_id(h, HNAE_LED_OFF);
1097 case ETHTOOL_ID_INACTIVE:
1098 return h->dev->ops->set_led_id(h, HNAE_LED_INACTIVE);
1099 default:
1100 return -EINVAL;
1101 }
1102
1103 return 0;
1104 }
1105
1106 /**
1107 * hns_get_regs - get net device register
1108 * @dev: net device
1109 * @cmd: ethtool cmd
1110 * @date: register data
1111 */
hns_get_regs(struct net_device * net_dev,struct ethtool_regs * cmd,void * data)1112 void hns_get_regs(struct net_device *net_dev, struct ethtool_regs *cmd,
1113 void *data)
1114 {
1115 struct hns_nic_priv *priv = netdev_priv(net_dev);
1116 struct hnae_ae_ops *ops;
1117
1118 ops = priv->ae_handle->dev->ops;
1119
1120 cmd->version = HNS_CHIP_VERSION;
1121 if (!ops->get_regs) {
1122 netdev_err(net_dev, "ops->get_regs is null!\n");
1123 return;
1124 }
1125 ops->get_regs(priv->ae_handle, data);
1126 }
1127
1128 /**
1129 * nic_get_regs_len - get total register len.
1130 * @dev: net device
1131 *
1132 * Return total register len.
1133 */
hns_get_regs_len(struct net_device * net_dev)1134 static int hns_get_regs_len(struct net_device *net_dev)
1135 {
1136 u32 reg_num;
1137 struct hns_nic_priv *priv = netdev_priv(net_dev);
1138 struct hnae_ae_ops *ops;
1139
1140 ops = priv->ae_handle->dev->ops;
1141 if (!ops->get_regs_len) {
1142 netdev_err(net_dev, "ops->get_regs_len is null!\n");
1143 return -EOPNOTSUPP;
1144 }
1145
1146 reg_num = ops->get_regs_len(priv->ae_handle);
1147 if (reg_num > 0)
1148 return reg_num * sizeof(u32);
1149 else
1150 return reg_num; /* error code */
1151 }
1152
1153 /**
1154 * hns_nic_nway_reset - nway reset
1155 * @dev: net device
1156 *
1157 * Return 0 on success, negative on failure
1158 */
hns_nic_nway_reset(struct net_device * netdev)1159 static int hns_nic_nway_reset(struct net_device *netdev)
1160 {
1161 struct phy_device *phy = netdev->phydev;
1162
1163 if (!netif_running(netdev))
1164 return 0;
1165
1166 if (!phy)
1167 return -EOPNOTSUPP;
1168
1169 if (phy->autoneg != AUTONEG_ENABLE)
1170 return -EINVAL;
1171
1172 return genphy_restart_aneg(phy);
1173 }
1174
1175 static u32
hns_get_rss_key_size(struct net_device * netdev)1176 hns_get_rss_key_size(struct net_device *netdev)
1177 {
1178 struct hns_nic_priv *priv = netdev_priv(netdev);
1179 struct hnae_ae_ops *ops;
1180
1181 if (AE_IS_VER1(priv->enet_ver)) {
1182 netdev_err(netdev,
1183 "RSS feature is not supported on this hardware\n");
1184 return 0;
1185 }
1186
1187 ops = priv->ae_handle->dev->ops;
1188 return ops->get_rss_key_size(priv->ae_handle);
1189 }
1190
1191 static u32
hns_get_rss_indir_size(struct net_device * netdev)1192 hns_get_rss_indir_size(struct net_device *netdev)
1193 {
1194 struct hns_nic_priv *priv = netdev_priv(netdev);
1195 struct hnae_ae_ops *ops;
1196
1197 if (AE_IS_VER1(priv->enet_ver)) {
1198 netdev_err(netdev,
1199 "RSS feature is not supported on this hardware\n");
1200 return 0;
1201 }
1202
1203 ops = priv->ae_handle->dev->ops;
1204 return ops->get_rss_indir_size(priv->ae_handle);
1205 }
1206
1207 static int
hns_get_rss(struct net_device * netdev,u32 * indir,u8 * key,u8 * hfunc)1208 hns_get_rss(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
1209 {
1210 struct hns_nic_priv *priv = netdev_priv(netdev);
1211 struct hnae_ae_ops *ops;
1212
1213 if (AE_IS_VER1(priv->enet_ver)) {
1214 netdev_err(netdev,
1215 "RSS feature is not supported on this hardware\n");
1216 return -EOPNOTSUPP;
1217 }
1218
1219 ops = priv->ae_handle->dev->ops;
1220
1221 if (!indir)
1222 return 0;
1223
1224 return ops->get_rss(priv->ae_handle, indir, key, hfunc);
1225 }
1226
1227 static int
hns_set_rss(struct net_device * netdev,const u32 * indir,const u8 * key,const u8 hfunc)1228 hns_set_rss(struct net_device *netdev, const u32 *indir, const u8 *key,
1229 const u8 hfunc)
1230 {
1231 struct hns_nic_priv *priv = netdev_priv(netdev);
1232 struct hnae_ae_ops *ops;
1233
1234 if (AE_IS_VER1(priv->enet_ver)) {
1235 netdev_err(netdev,
1236 "RSS feature is not supported on this hardware\n");
1237 return -EOPNOTSUPP;
1238 }
1239
1240 ops = priv->ae_handle->dev->ops;
1241
1242 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) {
1243 netdev_err(netdev, "Invalid hfunc!\n");
1244 return -EOPNOTSUPP;
1245 }
1246
1247 return ops->set_rss(priv->ae_handle, indir, key, hfunc);
1248 }
1249
hns_get_rxnfc(struct net_device * netdev,struct ethtool_rxnfc * cmd,u32 * rule_locs)1250 static int hns_get_rxnfc(struct net_device *netdev,
1251 struct ethtool_rxnfc *cmd,
1252 u32 *rule_locs)
1253 {
1254 struct hns_nic_priv *priv = netdev_priv(netdev);
1255
1256 switch (cmd->cmd) {
1257 case ETHTOOL_GRXRINGS:
1258 cmd->data = priv->ae_handle->q_num;
1259 break;
1260 default:
1261 return -EOPNOTSUPP;
1262 }
1263
1264 return 0;
1265 }
1266
1267 static const struct ethtool_ops hns_ethtool_ops = {
1268 .get_drvinfo = hns_nic_get_drvinfo,
1269 .get_link = hns_nic_get_link,
1270 .get_ringparam = hns_get_ringparam,
1271 .get_pauseparam = hns_get_pauseparam,
1272 .set_pauseparam = hns_set_pauseparam,
1273 .get_coalesce = hns_get_coalesce,
1274 .set_coalesce = hns_set_coalesce,
1275 .get_channels = hns_get_channels,
1276 .self_test = hns_nic_self_test,
1277 .get_strings = hns_get_strings,
1278 .get_sset_count = hns_get_sset_count,
1279 .get_ethtool_stats = hns_get_ethtool_stats,
1280 .set_phys_id = hns_set_phys_id,
1281 .get_regs_len = hns_get_regs_len,
1282 .get_regs = hns_get_regs,
1283 .nway_reset = hns_nic_nway_reset,
1284 .get_rxfh_key_size = hns_get_rss_key_size,
1285 .get_rxfh_indir_size = hns_get_rss_indir_size,
1286 .get_rxfh = hns_get_rss,
1287 .set_rxfh = hns_set_rss,
1288 .get_rxnfc = hns_get_rxnfc,
1289 .get_link_ksettings = hns_nic_get_link_ksettings,
1290 .set_link_ksettings = hns_nic_set_link_ksettings,
1291 };
1292
hns_ethtool_set_ops(struct net_device * ndev)1293 void hns_ethtool_set_ops(struct net_device *ndev)
1294 {
1295 ndev->ethtool_ops = &hns_ethtool_ops;
1296 }
1297