1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (c) 2014-2015 Hisilicon Limited.
6 #include <linux/etherdevice.h>
7 #include <linux/interrupt.h>
8 #include <linux/module.h>
9 #include <linux/platform_device.h>
12 #define HNS_PHY_PAGE_MDIX 0
13 #define HNS_PHY_PAGE_LED 3
14 #define HNS_PHY_PAGE_COPPER 0
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. */
21 #define HNS_LED_FORCE_ON 9
22 #define HNS_LED_FORCE_OFF 8
24 #define HNS_CHIP_VERSION 660
25 #define HNS_NET_STATS_CNT 26
27 #define PHY_MDIX_CTRL_S (5)
28 #define PHY_MDIX_CTRL_M (3 << PHY_MDIX_CTRL_S)
30 #define PHY_MDIX_STATUS_B (6)
31 #define PHY_SPEED_DUP_RESOLVE_B (11)
34 *hns_nic_get_link - get current link status
36 *retuen 0 - success , negative --fail
38 static u32 hns_nic_get_link(struct net_device *net_dev)
40 struct hns_nic_priv *priv = netdev_priv(net_dev);
41 u32 link_stat = priv->link;
42 struct hnae_handle *h;
46 if (net_dev->phydev) {
47 if (!genphy_read_status(net_dev->phydev))
48 link_stat = net_dev->phydev->link;
53 if (h->dev && h->dev->ops && h->dev->ops->get_status)
54 link_stat = link_stat && h->dev->ops->get_status(h);
61 static void hns_get_mdix_mode(struct net_device *net_dev,
62 struct ethtool_link_ksettings *cmd)
64 int mdix_ctrl, mdix, retval, is_resolved;
65 struct phy_device *phy_dev = net_dev->phydev;
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;
73 phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_MDIX);
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);
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);
82 phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
86 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI;
89 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_X;
92 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
95 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
100 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
102 cmd->base.eth_tp_mdix = ETH_TP_MDI_X;
104 cmd->base.eth_tp_mdix = ETH_TP_MDI;
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
113 static int hns_nic_get_link_ksettings(struct net_device *net_dev,
114 struct ethtool_link_ksettings *cmd)
116 struct hns_nic_priv *priv = netdev_priv(net_dev);
117 struct hnae_handle *h;
122 u32 supported, advertising;
124 if (!priv || !priv->ae_handle)
128 if (!h->dev || !h->dev->ops || !h->dev->ops->get_info)
131 ret = h->dev->ops->get_info(h, NULL, &speed, &duplex);
133 netdev_err(net_dev, "%s get_info error!\n", __func__);
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);
142 /* When there is no phy, autoneg is off. */
143 cmd->base.autoneg = false;
144 cmd->base.speed = speed;
145 cmd->base.duplex = duplex;
148 phy_ethtool_ksettings_get(net_dev->phydev, cmd);
150 link_stat = hns_nic_get_link(net_dev);
152 cmd->base.speed = (u32)SPEED_UNKNOWN;
153 cmd->base.duplex = DUPLEX_UNKNOWN;
156 if (cmd->base.autoneg)
157 advertising |= ADVERTISED_Autoneg;
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;
168 switch (h->media_type) {
169 case HNAE_MEDIA_TYPE_FIBER:
170 cmd->base.port = PORT_FIBRE;
172 case HNAE_MEDIA_TYPE_COPPER:
173 cmd->base.port = PORT_TP;
175 case HNAE_MEDIA_TYPE_UNKNOWN:
180 if (!(AE_IS_VER1(priv->enet_ver) && h->port_type == HNAE_PORT_DEBUG))
181 supported |= SUPPORTED_Pause;
183 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
185 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
188 cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C45 | ETH_MDIO_SUPPORTS_C22;
189 hns_get_mdix_mode(net_dev, cmd);
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
200 static int hns_nic_set_link_ksettings(struct net_device *net_dev,
201 const struct ethtool_link_ksettings *cmd)
203 struct hns_nic_priv *priv = netdev_priv(net_dev);
204 struct hnae_handle *h;
207 if (!netif_running(net_dev))
210 if (!priv || !priv->ae_handle || !priv->ae_handle->dev ||
211 !priv->ae_handle->dev->ops)
215 speed = cmd->base.speed;
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)
222 } else if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
223 if (!net_dev->phydev && cmd->base.autoneg == AUTONEG_ENABLE)
226 if (speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
229 return phy_ethtool_ksettings_set(net_dev->phydev, cmd);
231 if ((speed != SPEED_10 && speed != SPEED_100 &&
232 speed != SPEED_1000) || (cmd->base.duplex != DUPLEX_HALF &&
233 cmd->base.duplex != DUPLEX_FULL))
236 netdev_err(net_dev, "Not supported!");
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);
247 netdev_err(net_dev, "Not supported!");
251 static const char hns_nic_test_strs[][ETH_GSTRING_LEN] = {
253 "Serdes Loopback test",
257 static int hns_nic_config_phy_loopback(struct phy_device *phy_dev, u8 en)
262 /* Doing phy loopback in offline state, phy resuming is
263 * needed to power up the device.
265 err = phy_resume(phy_dev);
269 err = phy_loopback(phy_dev, true);
271 err = phy_loopback(phy_dev, false);
275 err = phy_suspend(phy_dev);
282 static int __lb_setup(struct net_device *ndev,
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;
291 case MAC_INTERNALLOOP_PHY:
292 ret = hns_nic_config_phy_loopback(phy_dev, 0x1);
294 ret = h->dev->ops->set_loopback(h, loop, 0x1);
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);
301 case MAC_INTERNALLOOP_SERDES:
302 if (h->dev->ops->set_loopback)
303 ret = h->dev->ops->set_loopback(h, loop, 0x1);
305 case MAC_LOOP_PHY_NONE:
306 ret = hns_nic_config_phy_loopback(phy_dev, 0x0);
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);
315 ret = h->dev->ops->set_loopback(h,
316 MAC_INTERNALLOOP_SERDES, 0x0);
325 if (loop == MAC_LOOP_NONE)
326 h->dev->ops->set_promisc_mode(
327 h, ndev->flags & IFF_PROMISC);
329 h->dev->ops->set_promisc_mode(h, 1);
334 static int __lb_up(struct net_device *ndev,
335 enum hnae_loop loop_mode)
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;
343 hns_nic_net_reset(ndev);
345 ret = __lb_setup(ndev, loop_mode);
351 ret = h->dev->ops->start ? h->dev->ops->start(h) : 0;
355 /* link adjust duplex*/
356 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
362 h->dev->ops->adjust_link(h, speed, duplex);
364 /* wait adjust link done and phy ready */
365 msleep(NIC_LB_TEST_WAIT_PHY_LINK_TIME);
370 static void __lb_other_process(struct hns_nic_ring_data *ring_data,
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;
381 char buff[33]; /* 32B data and the last character '\0' */
383 if (!ring_data) { /* Just for doing create frame*/
385 priv = netdev_priv(ndev);
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;
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);
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);
412 frame_size = skb->len;
415 new_skb = skb_copy(skb, GFP_ATOMIC);
416 dev_kfree_skb_any(skb);
418 netdev_err(ndev, "skb alloc failed\n");
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))
431 ndev->stats.rx_packets++;
432 ndev->stats.rx_bytes += skb->len;
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);
442 dev_kfree_skb_any(skb);
445 static int __lb_clean_rings(struct hns_nic_priv *priv,
446 int ringid0, int ringid1, int budget)
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;
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);
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;
468 * __lb_run_test - run loopback test
470 * @loop_mode: loopback mode
472 static int __lb_run_test(struct net_device *ndev,
473 enum hnae_loop loop_mode)
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
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;
487 netdev_tx_t tx_ret_val;
490 size = NIC_LB_TEST_FRAME_SIZE;
491 /* allocate test skb */
492 skb = alloc_skb(size, GFP_KERNEL);
494 return NIC_LB_TEST_NO_MEM_ERR;
496 /* place data into test skb */
497 (void)skb_put(skb, size);
499 __lb_other_process(NULL, skb);
500 skb->queue_mapping = NIC_LB_TEST_RING_ID;
503 for (j = 0; j < lc; j++) {
504 /* reset count of good packets */
506 /* place 64 packets on the transmit queue*/
507 for (i = 0; i < NIC_LB_TEST_PKT_NUM_PER_CYCLE; i++) {
510 tx_ret_val = (netdev_tx_t)hns_nic_net_xmit_hw(
512 &tx_ring_data(priv, skb->queue_mapping));
513 if (tx_ret_val == NETDEV_TX_OK)
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);
526 /* allow 100 milliseconds for packets to go from Tx to Rx */
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);
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);
544 /* free the original skb */
550 static int __lb_down(struct net_device *ndev, enum hnae_loop loop)
552 struct hns_nic_priv *priv = netdev_priv(ndev);
553 struct hnae_handle *h = priv->ae_handle;
556 if (loop == MAC_INTERNALLOOP_PHY)
557 ret = __lb_setup(ndev, MAC_LOOP_PHY_NONE);
559 ret = __lb_setup(ndev, MAC_LOOP_NONE);
561 netdev_err(ndev, "%s: __lb_setup return error(%d)!\n",
565 if (h->dev->ops->stop)
566 h->dev->ops->stop(h);
568 usleep_range(10000, 20000);
569 (void)__lb_clean_rings(priv, 0, h->q_num - 1, 256);
571 hns_nic_net_reset(ndev);
577 * hns_nic_self_test - self test
579 * @eth_test: test cmd
582 static void hns_nic_self_test(struct net_device *ndev,
583 struct ethtool_test *eth_test, u64 *data)
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];
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));
600 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
601 set_bit(NIC_STATE_TESTING, &priv->state);
606 for (i = 0; i < SELF_TEST_TPYE_NUM; i++) {
608 continue; /* NEXT testing */
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]);
619 if (data[test_index])
620 eth_test->flags |= ETH_TEST_FL_FAILED;
625 hns_nic_net_reset(priv->netdev);
627 clear_bit(NIC_STATE_TESTING, &priv->state);
630 (void)dev_open(ndev, NULL);
632 /* Online tests aren't run; pass by default */
634 (void)msleep_interruptible(4 * 1000);
638 * hns_nic_get_drvinfo - get net driver info
639 * @net_dev: net device
640 * @drvinfo: driver info
642 static void hns_nic_get_drvinfo(struct net_device *net_dev,
643 struct ethtool_drvinfo *drvinfo)
645 struct hns_nic_priv *priv = netdev_priv(net_dev);
647 strscpy(drvinfo->version, HNAE_DRIVER_VERSION,
648 sizeof(drvinfo->version));
650 strscpy(drvinfo->driver, HNAE_DRIVER_NAME, sizeof(drvinfo->driver));
652 strscpy(drvinfo->bus_info, priv->dev->bus->name,
653 sizeof(drvinfo->bus_info));
655 strscpy(drvinfo->fw_version, "N/A", ETHTOOL_FWVERS_LEN);
656 drvinfo->eedump_len = 0;
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
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)
671 struct hns_nic_priv *priv = netdev_priv(net_dev);
672 struct hnae_ae_ops *ops;
673 struct hnae_queue *queue;
676 queue = priv->ae_handle->qs[0];
677 ops = priv->ae_handle->dev->ops;
679 if (ops->get_ring_bdnum_limit)
680 ops->get_ring_bdnum_limit(queue, &uplimit);
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;
689 * hns_get_pauseparam - get pause parameter
690 * @net_dev: net device
691 * @param: pause parameter
693 static void hns_get_pauseparam(struct net_device *net_dev,
694 struct ethtool_pauseparam *param)
696 struct hns_nic_priv *priv = netdev_priv(net_dev);
697 struct hnae_ae_ops *ops;
699 ops = priv->ae_handle->dev->ops;
701 if (ops->get_pauseparam)
702 ops->get_pauseparam(priv->ae_handle, ¶m->autoneg,
703 ¶m->rx_pause, ¶m->tx_pause);
707 * hns_set_pauseparam - set pause parameter
708 * @net_dev: net device
709 * @param: pause parameter
711 * Return 0 on success, negative on failure
713 static int hns_set_pauseparam(struct net_device *net_dev,
714 struct ethtool_pauseparam *param)
716 struct hns_nic_priv *priv = netdev_priv(net_dev);
717 struct hnae_handle *h;
718 struct hnae_ae_ops *ops;
723 if (!ops->set_pauseparam)
726 return ops->set_pauseparam(priv->ae_handle, param->autoneg,
727 param->rx_pause, param->tx_pause);
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
737 * Return 0 on success, negative on failure.
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)
744 struct hns_nic_priv *priv = netdev_priv(net_dev);
745 struct hnae_ae_ops *ops;
747 ops = priv->ae_handle->dev->ops;
749 ec->use_adaptive_rx_coalesce = priv->ae_handle->coal_adapt_en;
750 ec->use_adaptive_tx_coalesce = priv->ae_handle->coal_adapt_en;
752 if ((!ops->get_coalesce_usecs) ||
753 (!ops->get_max_coalesced_frames))
756 ops->get_coalesce_usecs(priv->ae_handle,
757 &ec->tx_coalesce_usecs,
758 &ec->rx_coalesce_usecs);
760 ops->get_max_coalesced_frames(
762 &ec->tx_max_coalesced_frames,
763 &ec->rx_max_coalesced_frames);
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);
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
785 * Return 0 on success, negative on failure.
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)
792 struct hns_nic_priv *priv = netdev_priv(net_dev);
793 struct hnae_ae_ops *ops;
796 ops = priv->ae_handle->dev->ops;
798 if (ec->tx_coalesce_usecs != ec->rx_coalesce_usecs)
801 if ((!ops->set_coalesce_usecs) ||
802 (!ops->set_coalesce_frames))
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;
808 rc1 = ops->set_coalesce_usecs(priv->ae_handle,
809 ec->rx_coalesce_usecs);
811 rc2 = ops->set_coalesce_frames(priv->ae_handle,
812 ec->tx_max_coalesced_frames,
813 ec->rx_max_coalesced_frames);
822 * hns_get_channels - get channel info.
823 * @net_dev: net device
827 hns_get_channels(struct net_device *net_dev, struct ethtool_channels *ch)
829 struct hns_nic_priv *priv = netdev_priv(net_dev);
831 ch->max_rx = priv->ae_handle->q_num;
832 ch->max_tx = priv->ae_handle->q_num;
834 ch->rx_count = priv->ae_handle->q_num;
835 ch->tx_count = priv->ae_handle->q_num;
839 * hns_get_ethtool_stats - get detail statistics.
840 * @netdev: net device
841 * @stats: statistics info.
842 * @data: statistics data.
844 static void hns_get_ethtool_stats(struct net_device *netdev,
845 struct ethtool_stats *stats, u64 *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;
853 if (!h->dev->ops->get_stats || !h->dev->ops->update_stats) {
854 netdev_err(netdev, "get_stats or update_stats is null!\n");
858 h->dev->ops->update_stats(h, &netdev->stats);
860 net_stats = dev_get_stats(netdev, &temp);
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;
887 p[23] = 0; /* was netdev->rx_dropped.counter */
888 p[24] = 0; /* was netdev->tx_dropped.counter */
890 p[25] = priv->tx_timeout_count;
892 /* get driver statistics */
893 h->dev->ops->get_stats(h, &p[26]);
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.
902 static void hns_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
904 struct hns_nic_priv *priv = netdev_priv(netdev);
905 struct hnae_handle *h = priv->ae_handle;
908 if (!h->dev->ops->get_strings) {
909 netdev_err(netdev, "h->dev->ops->get_strings is null!\n");
913 if (stringset == ETH_SS_TEST) {
914 if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
916 hns_nic_test_strs[MAC_INTERNALLOOP_MAC]);
917 ethtool_puts(&buff, hns_nic_test_strs[MAC_INTERNALLOOP_SERDES]);
918 if ((netdev->phydev) && (!netdev->phydev->is_c45))
920 hns_nic_test_strs[MAC_INTERNALLOOP_PHY]);
923 ethtool_puts(&buff, "rx_packets");
924 ethtool_puts(&buff, "tx_packets");
925 ethtool_puts(&buff, "rx_bytes");
926 ethtool_puts(&buff, "tx_bytes");
927 ethtool_puts(&buff, "rx_errors");
928 ethtool_puts(&buff, "tx_errors");
929 ethtool_puts(&buff, "rx_dropped");
930 ethtool_puts(&buff, "tx_dropped");
931 ethtool_puts(&buff, "multicast");
932 ethtool_puts(&buff, "collisions");
933 ethtool_puts(&buff, "rx_over_errors");
934 ethtool_puts(&buff, "rx_crc_errors");
935 ethtool_puts(&buff, "rx_frame_errors");
936 ethtool_puts(&buff, "rx_fifo_errors");
937 ethtool_puts(&buff, "rx_missed_errors");
938 ethtool_puts(&buff, "tx_aborted_errors");
939 ethtool_puts(&buff, "tx_carrier_errors");
940 ethtool_puts(&buff, "tx_fifo_errors");
941 ethtool_puts(&buff, "tx_heartbeat_errors");
942 ethtool_puts(&buff, "rx_length_errors");
943 ethtool_puts(&buff, "tx_window_errors");
944 ethtool_puts(&buff, "rx_compressed");
945 ethtool_puts(&buff, "tx_compressed");
946 ethtool_puts(&buff, "netdev_rx_dropped");
947 ethtool_puts(&buff, "netdev_tx_dropped");
949 ethtool_puts(&buff, "netdev_tx_timeout");
951 h->dev->ops->get_strings(h, stringset, buff);
956 * hns_get_sset_count - get string set count returned by nic_get_strings
957 * @netdev: net device
958 * @stringset: string set index, 0: self test string; 1: statistics string.
960 * Return string set count.
962 static int hns_get_sset_count(struct net_device *netdev, int stringset)
964 struct hns_nic_priv *priv = netdev_priv(netdev);
965 struct hnae_handle *h = priv->ae_handle;
966 struct hnae_ae_ops *ops = h->dev->ops;
968 if (!ops->get_sset_count) {
969 netdev_err(netdev, "get_sset_count is null!\n");
972 if (stringset == ETH_SS_TEST) {
973 u32 cnt = (sizeof(hns_nic_test_strs) / ETH_GSTRING_LEN);
975 if (priv->ae_handle->phy_if == PHY_INTERFACE_MODE_XGMII)
978 if ((!netdev->phydev) || (netdev->phydev->is_c45))
982 } else if (stringset == ETH_SS_STATS) {
983 return (HNS_NET_STATS_CNT + ops->get_sset_count(h, stringset));
990 * hns_phy_led_set - set phy LED status.
991 * @netdev: net device
994 * Return 0 on success, negative on failure.
996 static int hns_phy_led_set(struct net_device *netdev, int value)
999 struct phy_device *phy_dev = netdev->phydev;
1001 retval = phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_LED);
1002 retval |= phy_write(phy_dev, HNS_LED_FC_REG, value);
1003 retval |= phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
1005 netdev_err(netdev, "mdiobus_write fail !\n");
1012 * hns_set_phys_id - set phy identify LED.
1013 * @netdev: net device
1014 * @state: LED state.
1016 * Return 0 on success, negative on failure.
1019 hns_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
1021 struct hns_nic_priv *priv = netdev_priv(netdev);
1022 struct hnae_handle *h = priv->ae_handle;
1023 struct phy_device *phy_dev = netdev->phydev;
1028 case ETHTOOL_ID_ACTIVE:
1029 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1034 priv->phy_led_val = phy_read(phy_dev, HNS_LED_FC_REG);
1036 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1037 HNS_PHY_PAGE_COPPER);
1042 ret = hns_phy_led_set(netdev, HNS_LED_FORCE_ON);
1046 case ETHTOOL_ID_OFF:
1047 ret = hns_phy_led_set(netdev, HNS_LED_FORCE_OFF);
1051 case ETHTOOL_ID_INACTIVE:
1052 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1057 ret = phy_write(phy_dev, HNS_LED_FC_REG,
1062 ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
1063 HNS_PHY_PAGE_COPPER);
1072 case ETHTOOL_ID_ACTIVE:
1073 return h->dev->ops->set_led_id(h, HNAE_LED_ACTIVE);
1075 return h->dev->ops->set_led_id(h, HNAE_LED_ON);
1076 case ETHTOOL_ID_OFF:
1077 return h->dev->ops->set_led_id(h, HNAE_LED_OFF);
1078 case ETHTOOL_ID_INACTIVE:
1079 return h->dev->ops->set_led_id(h, HNAE_LED_INACTIVE);
1088 * hns_get_regs - get net device register
1089 * @net_dev: net device
1091 * @data: register data
1093 static void hns_get_regs(struct net_device *net_dev, struct ethtool_regs *cmd,
1096 struct hns_nic_priv *priv = netdev_priv(net_dev);
1097 struct hnae_ae_ops *ops;
1099 ops = priv->ae_handle->dev->ops;
1101 cmd->version = HNS_CHIP_VERSION;
1102 if (!ops->get_regs) {
1103 netdev_err(net_dev, "ops->get_regs is null!\n");
1106 ops->get_regs(priv->ae_handle, data);
1110 * hns_get_regs_len - get total register len.
1111 * @net_dev: net device
1113 * Return total register len.
1115 static int hns_get_regs_len(struct net_device *net_dev)
1118 struct hns_nic_priv *priv = netdev_priv(net_dev);
1119 struct hnae_ae_ops *ops;
1121 ops = priv->ae_handle->dev->ops;
1122 if (!ops->get_regs_len) {
1123 netdev_err(net_dev, "ops->get_regs_len is null!\n");
1127 reg_num = ops->get_regs_len(priv->ae_handle);
1129 return reg_num * sizeof(u32);
1131 return reg_num; /* error code */
1135 * hns_nic_nway_reset - nway reset
1136 * @netdev: net device
1138 * Return 0 on success, negative on failure
1140 static int hns_nic_nway_reset(struct net_device *netdev)
1142 struct phy_device *phy = netdev->phydev;
1144 if (!netif_running(netdev))
1150 if (phy->autoneg != AUTONEG_ENABLE)
1153 return genphy_restart_aneg(phy);
1157 hns_get_rss_key_size(struct net_device *netdev)
1159 struct hns_nic_priv *priv = netdev_priv(netdev);
1160 struct hnae_ae_ops *ops;
1162 if (AE_IS_VER1(priv->enet_ver)) {
1164 "RSS feature is not supported on this hardware\n");
1168 ops = priv->ae_handle->dev->ops;
1169 return ops->get_rss_key_size(priv->ae_handle);
1173 hns_get_rss_indir_size(struct net_device *netdev)
1175 struct hns_nic_priv *priv = netdev_priv(netdev);
1176 struct hnae_ae_ops *ops;
1178 if (AE_IS_VER1(priv->enet_ver)) {
1180 "RSS feature is not supported on this hardware\n");
1184 ops = priv->ae_handle->dev->ops;
1185 return ops->get_rss_indir_size(priv->ae_handle);
1189 hns_get_rss(struct net_device *netdev, struct ethtool_rxfh_param *rxfh)
1191 struct hns_nic_priv *priv = netdev_priv(netdev);
1192 struct hnae_ae_ops *ops;
1194 if (AE_IS_VER1(priv->enet_ver)) {
1196 "RSS feature is not supported on this hardware\n");
1200 ops = priv->ae_handle->dev->ops;
1205 return ops->get_rss(priv->ae_handle,
1206 rxfh->indir, rxfh->key, &rxfh->hfunc);
1210 hns_set_rss(struct net_device *netdev, struct ethtool_rxfh_param *rxfh,
1211 struct netlink_ext_ack *extack)
1213 struct hns_nic_priv *priv = netdev_priv(netdev);
1214 struct hnae_ae_ops *ops;
1216 if (AE_IS_VER1(priv->enet_ver)) {
1218 "RSS feature is not supported on this hardware\n");
1222 ops = priv->ae_handle->dev->ops;
1224 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
1225 rxfh->hfunc != ETH_RSS_HASH_TOP) {
1226 netdev_err(netdev, "Invalid hfunc!\n");
1230 return ops->set_rss(priv->ae_handle,
1231 rxfh->indir, rxfh->key, rxfh->hfunc);
1234 static int hns_get_rxnfc(struct net_device *netdev,
1235 struct ethtool_rxnfc *cmd,
1238 struct hns_nic_priv *priv = netdev_priv(netdev);
1241 case ETHTOOL_GRXRINGS:
1242 cmd->data = priv->ae_handle->q_num;
1251 static const struct ethtool_ops hns_ethtool_ops = {
1252 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1253 ETHTOOL_COALESCE_MAX_FRAMES |
1254 ETHTOOL_COALESCE_USE_ADAPTIVE |
1255 ETHTOOL_COALESCE_USECS_LOW_HIGH |
1256 ETHTOOL_COALESCE_MAX_FRAMES_LOW_HIGH,
1257 .get_drvinfo = hns_nic_get_drvinfo,
1258 .get_link = hns_nic_get_link,
1259 .get_ringparam = hns_get_ringparam,
1260 .get_pauseparam = hns_get_pauseparam,
1261 .set_pauseparam = hns_set_pauseparam,
1262 .get_coalesce = hns_get_coalesce,
1263 .set_coalesce = hns_set_coalesce,
1264 .get_channels = hns_get_channels,
1265 .self_test = hns_nic_self_test,
1266 .get_strings = hns_get_strings,
1267 .get_sset_count = hns_get_sset_count,
1268 .get_ethtool_stats = hns_get_ethtool_stats,
1269 .set_phys_id = hns_set_phys_id,
1270 .get_regs_len = hns_get_regs_len,
1271 .get_regs = hns_get_regs,
1272 .nway_reset = hns_nic_nway_reset,
1273 .get_rxfh_key_size = hns_get_rss_key_size,
1274 .get_rxfh_indir_size = hns_get_rss_indir_size,
1275 .get_rxfh = hns_get_rss,
1276 .set_rxfh = hns_set_rss,
1277 .get_rxnfc = hns_get_rxnfc,
1278 .get_link_ksettings = hns_nic_get_link_ksettings,
1279 .set_link_ksettings = hns_nic_set_link_ksettings,
1282 void hns_ethtool_set_ops(struct net_device *ndev)
1284 ndev->ethtool_ops = &hns_ethtool_ops;