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path: root/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
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Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns/hns_ethtool.c')
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_ethtool.c1286
1 files changed, 1286 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
new file mode 100644
index 000000000..54faf0f2d
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
@@ -0,0 +1,1286 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2014-2015 Hisilicon Limited.
+ */
+
+#include <linux/etherdevice.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include "hns_enet.h"
+
+#define HNS_PHY_PAGE_MDIX 0
+#define HNS_PHY_PAGE_LED 3
+#define HNS_PHY_PAGE_COPPER 0
+
+#define HNS_PHY_PAGE_REG 22 /* Page Selection Reg. */
+#define HNS_PHY_CSC_REG 16 /* Copper Specific Control Register */
+#define HNS_PHY_CSS_REG 17 /* Copper Specific Status Register */
+#define HNS_LED_FC_REG 16 /* LED Function Control Reg. */
+
+#define HNS_LED_FORCE_ON 9
+#define HNS_LED_FORCE_OFF 8
+
+#define HNS_CHIP_VERSION 660
+#define HNS_NET_STATS_CNT 26
+
+#define PHY_MDIX_CTRL_S (5)
+#define PHY_MDIX_CTRL_M (3 << PHY_MDIX_CTRL_S)
+
+#define PHY_MDIX_STATUS_B (6)
+#define PHY_SPEED_DUP_RESOLVE_B (11)
+
+/**
+ *hns_nic_get_link - get current link status
+ *@net_dev: net_device
+ *retuen 0 - success , negative --fail
+ */
+static u32 hns_nic_get_link(struct net_device *net_dev)
+{
+ struct hns_nic_priv *priv = netdev_priv(net_dev);
+ u32 link_stat = priv->link;
+ struct hnae_handle *h;
+
+ h = priv->ae_handle;
+
+ if (net_dev->phydev) {
+ if (!genphy_read_status(net_dev->phydev))
+ link_stat = net_dev->phydev->link;
+ else
+ link_stat = 0;
+ }
+
+ if (h->dev && h->dev->ops && h->dev->ops->get_status)
+ link_stat = link_stat && h->dev->ops->get_status(h);
+ else
+ link_stat = 0;
+
+ return link_stat;
+}
+
+static void hns_get_mdix_mode(struct net_device *net_dev,
+ struct ethtool_link_ksettings *cmd)
+{
+ int mdix_ctrl, mdix, retval, is_resolved;
+ struct phy_device *phy_dev = net_dev->phydev;
+
+ if (!phy_dev || !phy_dev->mdio.bus) {
+ cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
+ cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
+ return;
+ }
+
+ phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_MDIX);
+
+ retval = phy_read(phy_dev, HNS_PHY_CSC_REG);
+ mdix_ctrl = hnae_get_field(retval, PHY_MDIX_CTRL_M, PHY_MDIX_CTRL_S);
+
+ retval = phy_read(phy_dev, HNS_PHY_CSS_REG);
+ mdix = hnae_get_bit(retval, PHY_MDIX_STATUS_B);
+ is_resolved = hnae_get_bit(retval, PHY_SPEED_DUP_RESOLVE_B);
+
+ phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
+
+ switch (mdix_ctrl) {
+ case 0x0:
+ cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI;
+ break;
+ case 0x1:
+ cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_X;
+ break;
+ case 0x3:
+ cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
+ break;
+ default:
+ cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
+ break;
+ }
+
+ if (!is_resolved)
+ cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
+ else if (mdix)
+ cmd->base.eth_tp_mdix = ETH_TP_MDI_X;
+ else
+ cmd->base.eth_tp_mdix = ETH_TP_MDI;
+}
+
+/**
+ *hns_nic_get_link_ksettings - implement ethtool get link ksettings
+ *@net_dev: net_device
+ *@cmd: ethtool_link_ksettings
+ *retuen 0 - success , negative --fail
+ */
+static int hns_nic_get_link_ksettings(struct net_device *net_dev,
+ struct ethtool_link_ksettings *cmd)
+{
+ struct hns_nic_priv *priv = netdev_priv(net_dev);
+ struct hnae_handle *h;
+ u32 link_stat;
+ int ret;
+ u8 duplex;
+ u16 speed;
+ u32 supported, advertising;
+
+ if (!priv || !priv->ae_handle)
+ return -ESRCH;
+
+ h = priv->ae_handle;
+ if (!h->dev || !h->dev->ops || !h->dev->ops->get_info)
+ return -ESRCH;
+
+ ret = h->dev->ops->get_info(h, NULL, &speed, &duplex);
+ if (ret < 0) {
+ netdev_err(net_dev, "%s get_info error!\n", __func__);
+ return -EINVAL;
+ }
+
+ ethtool_convert_link_mode_to_legacy_u32(&supported,
+ cmd->link_modes.supported);
+ ethtool_convert_link_mode_to_legacy_u32(&advertising,
+ cmd->link_modes.advertising);
+
+ /* When there is no phy, autoneg is off. */
+ cmd->base.autoneg = false;
+ cmd->base.speed = speed;
+ cmd->base.duplex = duplex;
+
+ if (net_dev->phydev)
+ phy_ethtool_ksettings_get(net_dev->phydev, cmd);
+
+ link_stat = hns_nic_get_link(net_dev);
+ if (!link_stat) {
+ cmd->base.speed = (u32)SPEED_UNKNOWN;
+ cmd->base.duplex = DUPLEX_UNKNOWN;
+ }
+
+ if (cmd->base.autoneg)
+ advertising |= ADVERTISED_Autoneg;
+
+ supported |= h->if_support;
+ if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
+ supported |= SUPPORTED_TP;
+ advertising |= ADVERTISED_1000baseT_Full;
+ } else if (h->phy_if == PHY_INTERFACE_MODE_XGMII) {
+ supported |= SUPPORTED_FIBRE;
+ advertising |= ADVERTISED_10000baseKR_Full;
+ }
+
+ switch (h->media_type) {
+ case HNAE_MEDIA_TYPE_FIBER:
+ cmd->base.port = PORT_FIBRE;
+ break;
+ case HNAE_MEDIA_TYPE_COPPER:
+ cmd->base.port = PORT_TP;
+ break;
+ case HNAE_MEDIA_TYPE_UNKNOWN:
+ default:
+ break;
+ }
+
+ if (!(AE_IS_VER1(priv->enet_ver) && h->port_type == HNAE_PORT_DEBUG))
+ supported |= SUPPORTED_Pause;
+
+ ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
+ supported);
+ ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
+ advertising);
+
+ cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C45 | ETH_MDIO_SUPPORTS_C22;
+ hns_get_mdix_mode(net_dev, cmd);
+
+ return 0;
+}
+
+/**
+ *hns_nic_set_link_ksettings - implement ethtool set link ksettings
+ *@net_dev: net_device
+ *@cmd: ethtool_link_ksettings
+ *retuen 0 - success , negative --fail
+ */
+static int hns_nic_set_link_ksettings(struct net_device *net_dev,
+ const struct ethtool_link_ksettings *cmd)
+{
+ struct hns_nic_priv *priv = netdev_priv(net_dev);
+ struct hnae_handle *h;
+ u32 speed;
+
+ if (!netif_running(net_dev))
+ return -ESRCH;
+
+ if (!priv || !priv->ae_handle || !priv->ae_handle->dev ||
+ !priv->ae_handle->dev->ops)
+ return -ENODEV;
+
+ h = priv->ae_handle;
+ speed = cmd->base.speed;
+
+ if (h->phy_if == PHY_INTERFACE_MODE_XGMII) {
+ if (cmd->base.autoneg == AUTONEG_ENABLE ||
+ speed != SPEED_10000 ||
+ cmd->base.duplex != DUPLEX_FULL)
+ return -EINVAL;
+ } else if (h->phy_if == PHY_INTERFACE_MODE_SGMII) {
+ if (!net_dev->phydev && cmd->base.autoneg == AUTONEG_ENABLE)
+ return -EINVAL;
+
+ if (speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
+ return -EINVAL;
+ if (net_dev->phydev)
+ return phy_ethtool_ksettings_set(net_dev->phydev, cmd);
+
+ if ((speed != SPEED_10 && speed != SPEED_100 &&
+ speed != SPEED_1000) || (cmd->base.duplex != DUPLEX_HALF &&
+ cmd->base.duplex != DUPLEX_FULL))
+ return -EINVAL;
+ } else {
+ netdev_err(net_dev, "Not supported!");
+ return -ENOTSUPP;
+ }
+
+ if (h->dev->ops->adjust_link) {
+ netif_carrier_off(net_dev);
+ h->dev->ops->adjust_link(h, (int)speed, cmd->base.duplex);
+ netif_carrier_on(net_dev);
+ return 0;
+ }
+
+ netdev_err(net_dev, "Not supported!");
+ return -ENOTSUPP;
+}
+
+static const char hns_nic_test_strs[][ETH_GSTRING_LEN] = {
+ "Mac Loopback test",
+ "Serdes Loopback test",
+ "Phy Loopback test"
+};
+
+static int hns_nic_config_phy_loopback(struct phy_device *phy_dev, u8 en)
+{
+ int err;
+
+ if (en) {
+ /* Doing phy loopback in offline state, phy resuming is
+ * needed to power up the device.
+ */
+ err = phy_resume(phy_dev);
+ if (err)
+ goto out;
+
+ err = phy_loopback(phy_dev, true);
+ } else {
+ err = phy_loopback(phy_dev, false);
+ if (err)
+ goto out;
+
+ err = phy_suspend(phy_dev);
+ }
+
+out:
+ return err;
+}
+
+static int __lb_setup(struct net_device *ndev,
+ enum hnae_loop loop)
+{
+ int ret = 0;
+ struct hns_nic_priv *priv = netdev_priv(ndev);
+ struct phy_device *phy_dev = ndev->phydev;
+ struct hnae_handle *h = priv->ae_handle;
+
+ switch (loop) {
+ case MAC_INTERNALLOOP_PHY:
+ ret = hns_nic_config_phy_loopback(phy_dev, 0x1);
+ if (!ret)
+ ret = h->dev->ops->set_loopback(h, loop, 0x1);
+ break;
+ case MAC_INTERNALLOOP_MAC:
+ if ((h->dev->ops->set_loopback) &&
+ (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII))
+ ret = h->dev->ops->set_loopback(h, loop, 0x1);
+ break;
+ case MAC_INTERNALLOOP_SERDES:
+ if (h->dev->ops->set_loopback)
+ ret = h->dev->ops->set_loopback(h, loop, 0x1);
+ break;
+ case MAC_LOOP_PHY_NONE:
+ ret = hns_nic_config_phy_loopback(phy_dev, 0x0);
+ fallthrough;
+ case MAC_LOOP_NONE:
+ if (!ret && h->dev->ops->set_loopback) {
+ if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
+ ret = h->dev->ops->set_loopback(h,
+ MAC_INTERNALLOOP_MAC, 0x0);
+
+ if (!ret)
+ ret = h->dev->ops->set_loopback(h,
+ MAC_INTERNALLOOP_SERDES, 0x0);
+ }
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ if (!ret) {
+ if (loop == MAC_LOOP_NONE)
+ h->dev->ops->set_promisc_mode(
+ h, ndev->flags & IFF_PROMISC);
+ else
+ h->dev->ops->set_promisc_mode(h, 1);
+ }
+ return ret;
+}
+
+static int __lb_up(struct net_device *ndev,
+ enum hnae_loop loop_mode)
+{
+#define NIC_LB_TEST_WAIT_PHY_LINK_TIME 300
+ struct hns_nic_priv *priv = netdev_priv(ndev);
+ struct hnae_handle *h = priv->ae_handle;
+ int speed, duplex;
+ int ret;
+
+ hns_nic_net_reset(ndev);
+
+ ret = __lb_setup(ndev, loop_mode);
+ if (ret)
+ return ret;
+
+ msleep(200);
+
+ ret = h->dev->ops->start ? h->dev->ops->start(h) : 0;
+ if (ret)
+ return ret;
+
+ /* link adjust duplex*/
+ if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
+ speed = 1000;
+ else
+ speed = 10000;
+ duplex = 1;
+
+ h->dev->ops->adjust_link(h, speed, duplex);
+
+ /* wait adjust link done and phy ready */
+ msleep(NIC_LB_TEST_WAIT_PHY_LINK_TIME);
+
+ return 0;
+}
+
+static void __lb_other_process(struct hns_nic_ring_data *ring_data,
+ struct sk_buff *skb)
+{
+ struct net_device *ndev;
+ struct hns_nic_priv *priv;
+ struct hnae_ring *ring;
+ struct netdev_queue *dev_queue;
+ struct sk_buff *new_skb;
+ unsigned int frame_size;
+ int check_ok;
+ u32 i;
+ char buff[33]; /* 32B data and the last character '\0' */
+
+ if (!ring_data) { /* Just for doing create frame*/
+ ndev = skb->dev;
+ priv = netdev_priv(ndev);
+
+ frame_size = skb->len;
+ memset(skb->data, 0xFF, frame_size);
+ if ((!AE_IS_VER1(priv->enet_ver)) &&
+ (priv->ae_handle->port_type == HNAE_PORT_SERVICE)) {
+ memcpy(skb->data, ndev->dev_addr, 6);
+ skb->data[5] += 0x1f;
+ }
+
+ frame_size &= ~1ul;
+ memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
+ memset(&skb->data[frame_size / 2 + 10], 0xBE,
+ frame_size / 2 - 11);
+ memset(&skb->data[frame_size / 2 + 12], 0xAF,
+ frame_size / 2 - 13);
+ return;
+ }
+
+ ring = ring_data->ring;
+ ndev = ring_data->napi.dev;
+ if (is_tx_ring(ring)) { /* for tx queue reset*/
+ dev_queue = netdev_get_tx_queue(ndev, ring_data->queue_index);
+ netdev_tx_reset_queue(dev_queue);
+ return;
+ }
+
+ frame_size = skb->len;
+ frame_size &= ~1ul;
+ /* for mutl buffer*/
+ new_skb = skb_copy(skb, GFP_ATOMIC);
+ dev_kfree_skb_any(skb);
+ if (!new_skb) {
+ netdev_err(ndev, "skb alloc failed\n");
+ return;
+ }
+ skb = new_skb;
+
+ check_ok = 0;
+ if (*(skb->data + 10) == 0xFF) { /* for rx check frame*/
+ if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
+ (*(skb->data + frame_size / 2 + 12) == 0xAF))
+ check_ok = 1;
+ }
+
+ if (check_ok) {
+ ndev->stats.rx_packets++;
+ ndev->stats.rx_bytes += skb->len;
+ } else {
+ ndev->stats.rx_frame_errors++;
+ for (i = 0; i < skb->len; i++) {
+ snprintf(buff + i % 16 * 2, 3, /* tailing \0*/
+ "%02x", *(skb->data + i));
+ if ((i % 16 == 15) || (i == skb->len - 1))
+ pr_info("%s\n", buff);
+ }
+ }
+ dev_kfree_skb_any(skb);
+}
+
+static int __lb_clean_rings(struct hns_nic_priv *priv,
+ int ringid0, int ringid1, int budget)
+{
+ int i, ret;
+ struct hns_nic_ring_data *ring_data;
+ struct net_device *ndev = priv->netdev;
+ unsigned long rx_packets = ndev->stats.rx_packets;
+ unsigned long rx_bytes = ndev->stats.rx_bytes;
+ unsigned long rx_frame_errors = ndev->stats.rx_frame_errors;
+
+ for (i = ringid0; i <= ringid1; i++) {
+ ring_data = &priv->ring_data[i];
+ (void)ring_data->poll_one(ring_data,
+ budget, __lb_other_process);
+ }
+ ret = (int)(ndev->stats.rx_packets - rx_packets);
+ ndev->stats.rx_packets = rx_packets;
+ ndev->stats.rx_bytes = rx_bytes;
+ ndev->stats.rx_frame_errors = rx_frame_errors;
+ return ret;
+}
+
+/**
+ * __lb_run_test - run loopback test
+ * @ndev: net device
+ * @loop_mode: loopback mode
+ */
+static int __lb_run_test(struct net_device *ndev,
+ enum hnae_loop loop_mode)
+{
+#define NIC_LB_TEST_PKT_NUM_PER_CYCLE 1
+#define NIC_LB_TEST_RING_ID 0
+#define NIC_LB_TEST_FRAME_SIZE 128
+/* nic loopback test err */
+#define NIC_LB_TEST_NO_MEM_ERR 1
+#define NIC_LB_TEST_TX_CNT_ERR 2
+#define NIC_LB_TEST_RX_CNT_ERR 3
+
+ struct hns_nic_priv *priv = netdev_priv(ndev);
+ struct hnae_handle *h = priv->ae_handle;
+ int i, j, lc, good_cnt, ret_val = 0;
+ unsigned int size;
+ netdev_tx_t tx_ret_val;
+ struct sk_buff *skb;
+
+ size = NIC_LB_TEST_FRAME_SIZE;
+ /* allocate test skb */
+ skb = alloc_skb(size, GFP_KERNEL);
+ if (!skb)
+ return NIC_LB_TEST_NO_MEM_ERR;
+
+ /* place data into test skb */
+ (void)skb_put(skb, size);
+ skb->dev = ndev;
+ __lb_other_process(NULL, skb);
+ skb->queue_mapping = NIC_LB_TEST_RING_ID;
+
+ lc = 1;
+ for (j = 0; j < lc; j++) {
+ /* reset count of good packets */
+ good_cnt = 0;
+ /* place 64 packets on the transmit queue*/
+ for (i = 0; i < NIC_LB_TEST_PKT_NUM_PER_CYCLE; i++) {
+ (void)skb_get(skb);
+
+ tx_ret_val = (netdev_tx_t)hns_nic_net_xmit_hw(
+ ndev, skb,
+ &tx_ring_data(priv, skb->queue_mapping));
+ if (tx_ret_val == NETDEV_TX_OK)
+ good_cnt++;
+ else
+ break;
+ }
+ if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
+ ret_val = NIC_LB_TEST_TX_CNT_ERR;
+ dev_err(priv->dev, "%s sent fail, cnt=0x%x, budget=0x%x\n",
+ hns_nic_test_strs[loop_mode], good_cnt,
+ NIC_LB_TEST_PKT_NUM_PER_CYCLE);
+ break;
+ }
+
+ /* allow 100 milliseconds for packets to go from Tx to Rx */
+ msleep(100);
+
+ good_cnt = __lb_clean_rings(priv,
+ h->q_num, h->q_num * 2 - 1,
+ NIC_LB_TEST_PKT_NUM_PER_CYCLE);
+ if (good_cnt != NIC_LB_TEST_PKT_NUM_PER_CYCLE) {
+ ret_val = NIC_LB_TEST_RX_CNT_ERR;
+ dev_err(priv->dev, "%s recv fail, cnt=0x%x, budget=0x%x\n",
+ hns_nic_test_strs[loop_mode], good_cnt,
+ NIC_LB_TEST_PKT_NUM_PER_CYCLE);
+ break;
+ }
+ (void)__lb_clean_rings(priv,
+ NIC_LB_TEST_RING_ID, NIC_LB_TEST_RING_ID,
+ NIC_LB_TEST_PKT_NUM_PER_CYCLE);
+ }
+
+ /* free the original skb */
+ kfree_skb(skb);
+
+ return ret_val;
+}
+
+static int __lb_down(struct net_device *ndev, enum hnae_loop loop)
+{
+ struct hns_nic_priv *priv = netdev_priv(ndev);
+ struct hnae_handle *h = priv->ae_handle;
+ int ret;
+
+ if (loop == MAC_INTERNALLOOP_PHY)
+ ret = __lb_setup(ndev, MAC_LOOP_PHY_NONE);
+ else
+ ret = __lb_setup(ndev, MAC_LOOP_NONE);
+ if (ret)
+ netdev_err(ndev, "%s: __lb_setup return error(%d)!\n",
+ __func__,
+ ret);
+
+ if (h->dev->ops->stop)
+ h->dev->ops->stop(h);
+
+ usleep_range(10000, 20000);
+ (void)__lb_clean_rings(priv, 0, h->q_num - 1, 256);
+
+ hns_nic_net_reset(ndev);
+
+ return 0;
+}
+
+/**
+ * hns_nic_self_test - self test
+ * @ndev: net device
+ * @eth_test: test cmd
+ * @data: test result
+ */
+static void hns_nic_self_test(struct net_device *ndev,
+ struct ethtool_test *eth_test, u64 *data)
+{
+ struct hns_nic_priv *priv = netdev_priv(ndev);
+ bool if_running = netif_running(ndev);
+#define SELF_TEST_TPYE_NUM 3
+ int st_param[SELF_TEST_TPYE_NUM][2];
+ int i;
+ int test_index = 0;
+
+ st_param[0][0] = MAC_INTERNALLOOP_MAC; /* XGE not supported lb */
+ st_param[0][1] = (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII);
+ st_param[1][0] = MAC_INTERNALLOOP_SERDES;
+ st_param[1][1] = 1; /*serdes must exist*/
+ st_param[2][0] = MAC_INTERNALLOOP_PHY; /* only supporte phy node*/
+ st_param[2][1] = ((!!(priv->ae_handle->phy_dev)) &&
+ (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII));
+
+ if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
+ set_bit(NIC_STATE_TESTING, &priv->state);
+
+ if (if_running)
+ dev_close(ndev);
+
+ for (i = 0; i < SELF_TEST_TPYE_NUM; i++) {
+ if (!st_param[i][1])
+ continue; /* NEXT testing */
+
+ data[test_index] = __lb_up(ndev,
+ (enum hnae_loop)st_param[i][0]);
+ if (!data[test_index]) {
+ data[test_index] = __lb_run_test(
+ ndev, (enum hnae_loop)st_param[i][0]);
+ (void)__lb_down(ndev,
+ (enum hnae_loop)st_param[i][0]);
+ }
+
+ if (data[test_index])
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ test_index++;
+ }
+
+ hns_nic_net_reset(priv->netdev);
+
+ clear_bit(NIC_STATE_TESTING, &priv->state);
+
+ if (if_running)
+ (void)dev_open(ndev, NULL);
+ }
+ /* Online tests aren't run; pass by default */
+
+ (void)msleep_interruptible(4 * 1000);
+}
+
+/**
+ * hns_nic_get_drvinfo - get net driver info
+ * @net_dev: net device
+ * @drvinfo: driver info
+ */
+static void hns_nic_get_drvinfo(struct net_device *net_dev,
+ struct ethtool_drvinfo *drvinfo)
+{
+ struct hns_nic_priv *priv = netdev_priv(net_dev);
+
+ strncpy(drvinfo->version, HNAE_DRIVER_VERSION,
+ sizeof(drvinfo->version));
+ drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
+
+ strncpy(drvinfo->driver, HNAE_DRIVER_NAME, sizeof(drvinfo->driver));
+ drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
+
+ strncpy(drvinfo->bus_info, priv->dev->bus->name,
+ sizeof(drvinfo->bus_info));
+ drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
+
+ strncpy(drvinfo->fw_version, "N/A", ETHTOOL_FWVERS_LEN);
+ drvinfo->eedump_len = 0;
+}
+
+/**
+ * hns_get_ringparam - get ring parameter
+ * @net_dev: net device
+ * @param: ethtool parameter
+ * @kernel_param: ethtool external parameter
+ * @extack: netlink extended ACK report struct
+ */
+static void hns_get_ringparam(struct net_device *net_dev,
+ struct ethtool_ringparam *param,
+ struct kernel_ethtool_ringparam *kernel_param,
+ struct netlink_ext_ack *extack)
+{
+ struct hns_nic_priv *priv = netdev_priv(net_dev);
+ struct hnae_ae_ops *ops;
+ struct hnae_queue *queue;
+ u32 uplimit = 0;
+
+ queue = priv->ae_handle->qs[0];
+ ops = priv->ae_handle->dev->ops;
+
+ if (ops->get_ring_bdnum_limit)
+ ops->get_ring_bdnum_limit(queue, &uplimit);
+
+ param->rx_max_pending = uplimit;
+ param->tx_max_pending = uplimit;
+ param->rx_pending = queue->rx_ring.desc_num;
+ param->tx_pending = queue->tx_ring.desc_num;
+}
+
+/**
+ * hns_get_pauseparam - get pause parameter
+ * @net_dev: net device
+ * @param: pause parameter
+ */
+static void hns_get_pauseparam(struct net_device *net_dev,
+ struct ethtool_pauseparam *param)
+{
+ struct hns_nic_priv *priv = netdev_priv(net_dev);
+ struct hnae_ae_ops *ops;
+
+ ops = priv->ae_handle->dev->ops;
+
+ if (ops->get_pauseparam)
+ ops->get_pauseparam(priv->ae_handle, &param->autoneg,
+ &param->rx_pause, &param->tx_pause);
+}
+
+/**
+ * hns_set_pauseparam - set pause parameter
+ * @net_dev: net device
+ * @param: pause parameter
+ *
+ * Return 0 on success, negative on failure
+ */
+static int hns_set_pauseparam(struct net_device *net_dev,
+ struct ethtool_pauseparam *param)
+{
+ struct hns_nic_priv *priv = netdev_priv(net_dev);
+ struct hnae_handle *h;
+ struct hnae_ae_ops *ops;
+
+ h = priv->ae_handle;
+ ops = h->dev->ops;
+
+ if (!ops->set_pauseparam)
+ return -ESRCH;
+
+ return ops->set_pauseparam(priv->ae_handle, param->autoneg,
+ param->rx_pause, param->tx_pause);
+}
+
+/**
+ * hns_get_coalesce - get coalesce info.
+ * @net_dev: net device
+ * @ec: coalesce info.
+ * @kernel_coal: ethtool CQE mode setting structure
+ * @extack: extack for reporting error messages
+ *
+ * Return 0 on success, negative on failure.
+ */
+static int hns_get_coalesce(struct net_device *net_dev,
+ struct ethtool_coalesce *ec,
+ struct kernel_ethtool_coalesce *kernel_coal,
+ struct netlink_ext_ack *extack)
+{
+ struct hns_nic_priv *priv = netdev_priv(net_dev);
+ struct hnae_ae_ops *ops;
+
+ ops = priv->ae_handle->dev->ops;
+
+ ec->use_adaptive_rx_coalesce = priv->ae_handle->coal_adapt_en;
+ ec->use_adaptive_tx_coalesce = priv->ae_handle->coal_adapt_en;
+
+ if ((!ops->get_coalesce_usecs) ||
+ (!ops->get_max_coalesced_frames))
+ return -ESRCH;
+
+ ops->get_coalesce_usecs(priv->ae_handle,
+ &ec->tx_coalesce_usecs,
+ &ec->rx_coalesce_usecs);
+
+ ops->get_max_coalesced_frames(
+ priv->ae_handle,
+ &ec->tx_max_coalesced_frames,
+ &ec->rx_max_coalesced_frames);
+
+ ops->get_coalesce_range(priv->ae_handle,
+ &ec->tx_max_coalesced_frames_low,
+ &ec->rx_max_coalesced_frames_low,
+ &ec->tx_max_coalesced_frames_high,
+ &ec->rx_max_coalesced_frames_high,
+ &ec->tx_coalesce_usecs_low,
+ &ec->rx_coalesce_usecs_low,
+ &ec->tx_coalesce_usecs_high,
+ &ec->rx_coalesce_usecs_high);
+
+ return 0;
+}
+
+/**
+ * hns_set_coalesce - set coalesce info.
+ * @net_dev: net device
+ * @ec: coalesce info.
+ * @kernel_coal: ethtool CQE mode setting structure
+ * @extack: extack for reporting error messages
+ *
+ * Return 0 on success, negative on failure.
+ */
+static int hns_set_coalesce(struct net_device *net_dev,
+ struct ethtool_coalesce *ec,
+ struct kernel_ethtool_coalesce *kernel_coal,
+ struct netlink_ext_ack *extack)
+{
+ struct hns_nic_priv *priv = netdev_priv(net_dev);
+ struct hnae_ae_ops *ops;
+ int rc1, rc2;
+
+ ops = priv->ae_handle->dev->ops;
+
+ if (ec->tx_coalesce_usecs != ec->rx_coalesce_usecs)
+ return -EINVAL;
+
+ if ((!ops->set_coalesce_usecs) ||
+ (!ops->set_coalesce_frames))
+ return -ESRCH;
+
+ if (ec->use_adaptive_rx_coalesce != priv->ae_handle->coal_adapt_en)
+ priv->ae_handle->coal_adapt_en = ec->use_adaptive_rx_coalesce;
+
+ rc1 = ops->set_coalesce_usecs(priv->ae_handle,
+ ec->rx_coalesce_usecs);
+
+ rc2 = ops->set_coalesce_frames(priv->ae_handle,
+ ec->tx_max_coalesced_frames,
+ ec->rx_max_coalesced_frames);
+
+ if (rc1 || rc2)
+ return -EINVAL;
+
+ return 0;
+}
+
+/**
+ * hns_get_channels - get channel info.
+ * @net_dev: net device
+ * @ch: channel info.
+ */
+static void
+hns_get_channels(struct net_device *net_dev, struct ethtool_channels *ch)
+{
+ struct hns_nic_priv *priv = netdev_priv(net_dev);
+
+ ch->max_rx = priv->ae_handle->q_num;
+ ch->max_tx = priv->ae_handle->q_num;
+
+ ch->rx_count = priv->ae_handle->q_num;
+ ch->tx_count = priv->ae_handle->q_num;
+}
+
+/**
+ * hns_get_ethtool_stats - get detail statistics.
+ * @netdev: net device
+ * @stats: statistics info.
+ * @data: statistics data.
+ */
+static void hns_get_ethtool_stats(struct net_device *netdev,
+ struct ethtool_stats *stats, u64 *data)
+{
+ u64 *p = data;
+ struct hns_nic_priv *priv = netdev_priv(netdev);
+ struct hnae_handle *h = priv->ae_handle;
+ const struct rtnl_link_stats64 *net_stats;
+ struct rtnl_link_stats64 temp;
+
+ if (!h->dev->ops->get_stats || !h->dev->ops->update_stats) {
+ netdev_err(netdev, "get_stats or update_stats is null!\n");
+ return;
+ }
+
+ h->dev->ops->update_stats(h, &netdev->stats);
+
+ net_stats = dev_get_stats(netdev, &temp);
+
+ /* get netdev statistics */
+ p[0] = net_stats->rx_packets;
+ p[1] = net_stats->tx_packets;
+ p[2] = net_stats->rx_bytes;
+ p[3] = net_stats->tx_bytes;
+ p[4] = net_stats->rx_errors;
+ p[5] = net_stats->tx_errors;
+ p[6] = net_stats->rx_dropped;
+ p[7] = net_stats->tx_dropped;
+ p[8] = net_stats->multicast;
+ p[9] = net_stats->collisions;
+ p[10] = net_stats->rx_over_errors;
+ p[11] = net_stats->rx_crc_errors;
+ p[12] = net_stats->rx_frame_errors;
+ p[13] = net_stats->rx_fifo_errors;
+ p[14] = net_stats->rx_missed_errors;
+ p[15] = net_stats->tx_aborted_errors;
+ p[16] = net_stats->tx_carrier_errors;
+ p[17] = net_stats->tx_fifo_errors;
+ p[18] = net_stats->tx_heartbeat_errors;
+ p[19] = net_stats->rx_length_errors;
+ p[20] = net_stats->tx_window_errors;
+ p[21] = net_stats->rx_compressed;
+ p[22] = net_stats->tx_compressed;
+
+ p[23] = 0; /* was netdev->rx_dropped.counter */
+ p[24] = 0; /* was netdev->tx_dropped.counter */
+
+ p[25] = priv->tx_timeout_count;
+
+ /* get driver statistics */
+ h->dev->ops->get_stats(h, &p[26]);
+}
+
+/**
+ * hns_get_strings: Return a set of strings that describe the requested objects
+ * @netdev: net device
+ * @stringset: string set ID.
+ * @data: objects data.
+ */
+static void hns_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
+{
+ struct hns_nic_priv *priv = netdev_priv(netdev);
+ struct hnae_handle *h = priv->ae_handle;
+ u8 *buff = data;
+
+ if (!h->dev->ops->get_strings) {
+ netdev_err(netdev, "h->dev->ops->get_strings is null!\n");
+ return;
+ }
+
+ if (stringset == ETH_SS_TEST) {
+ if (priv->ae_handle->phy_if != PHY_INTERFACE_MODE_XGMII)
+ ethtool_sprintf(&buff,
+ hns_nic_test_strs[MAC_INTERNALLOOP_MAC]);
+ ethtool_sprintf(&buff,
+ hns_nic_test_strs[MAC_INTERNALLOOP_SERDES]);
+ if ((netdev->phydev) && (!netdev->phydev->is_c45))
+ ethtool_sprintf(&buff,
+ hns_nic_test_strs[MAC_INTERNALLOOP_PHY]);
+
+ } else {
+ ethtool_sprintf(&buff, "rx_packets");
+ ethtool_sprintf(&buff, "tx_packets");
+ ethtool_sprintf(&buff, "rx_bytes");
+ ethtool_sprintf(&buff, "tx_bytes");
+ ethtool_sprintf(&buff, "rx_errors");
+ ethtool_sprintf(&buff, "tx_errors");
+ ethtool_sprintf(&buff, "rx_dropped");
+ ethtool_sprintf(&buff, "tx_dropped");
+ ethtool_sprintf(&buff, "multicast");
+ ethtool_sprintf(&buff, "collisions");
+ ethtool_sprintf(&buff, "rx_over_errors");
+ ethtool_sprintf(&buff, "rx_crc_errors");
+ ethtool_sprintf(&buff, "rx_frame_errors");
+ ethtool_sprintf(&buff, "rx_fifo_errors");
+ ethtool_sprintf(&buff, "rx_missed_errors");
+ ethtool_sprintf(&buff, "tx_aborted_errors");
+ ethtool_sprintf(&buff, "tx_carrier_errors");
+ ethtool_sprintf(&buff, "tx_fifo_errors");
+ ethtool_sprintf(&buff, "tx_heartbeat_errors");
+ ethtool_sprintf(&buff, "rx_length_errors");
+ ethtool_sprintf(&buff, "tx_window_errors");
+ ethtool_sprintf(&buff, "rx_compressed");
+ ethtool_sprintf(&buff, "tx_compressed");
+ ethtool_sprintf(&buff, "netdev_rx_dropped");
+ ethtool_sprintf(&buff, "netdev_tx_dropped");
+
+ ethtool_sprintf(&buff, "netdev_tx_timeout");
+
+ h->dev->ops->get_strings(h, stringset, buff);
+ }
+}
+
+/**
+ * hns_get_sset_count - get string set count returned by nic_get_strings
+ * @netdev: net device
+ * @stringset: string set index, 0: self test string; 1: statistics string.
+ *
+ * Return string set count.
+ */
+static int hns_get_sset_count(struct net_device *netdev, int stringset)
+{
+ struct hns_nic_priv *priv = netdev_priv(netdev);
+ struct hnae_handle *h = priv->ae_handle;
+ struct hnae_ae_ops *ops = h->dev->ops;
+
+ if (!ops->get_sset_count) {
+ netdev_err(netdev, "get_sset_count is null!\n");
+ return -EOPNOTSUPP;
+ }
+ if (stringset == ETH_SS_TEST) {
+ u32 cnt = (sizeof(hns_nic_test_strs) / ETH_GSTRING_LEN);
+
+ if (priv->ae_handle->phy_if == PHY_INTERFACE_MODE_XGMII)
+ cnt--;
+
+ if ((!netdev->phydev) || (netdev->phydev->is_c45))
+ cnt--;
+
+ return cnt;
+ } else if (stringset == ETH_SS_STATS) {
+ return (HNS_NET_STATS_CNT + ops->get_sset_count(h, stringset));
+ } else {
+ return -EOPNOTSUPP;
+ }
+}
+
+/**
+ * hns_phy_led_set - set phy LED status.
+ * @netdev: net device
+ * @value: LED state.
+ *
+ * Return 0 on success, negative on failure.
+ */
+static int hns_phy_led_set(struct net_device *netdev, int value)
+{
+ int retval;
+ struct phy_device *phy_dev = netdev->phydev;
+
+ retval = phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_LED);
+ retval |= phy_write(phy_dev, HNS_LED_FC_REG, value);
+ retval |= phy_write(phy_dev, HNS_PHY_PAGE_REG, HNS_PHY_PAGE_COPPER);
+ if (retval) {
+ netdev_err(netdev, "mdiobus_write fail !\n");
+ return retval;
+ }
+ return 0;
+}
+
+/**
+ * hns_set_phys_id - set phy identify LED.
+ * @netdev: net device
+ * @state: LED state.
+ *
+ * Return 0 on success, negative on failure.
+ */
+static int
+hns_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
+{
+ struct hns_nic_priv *priv = netdev_priv(netdev);
+ struct hnae_handle *h = priv->ae_handle;
+ struct phy_device *phy_dev = netdev->phydev;
+ int ret;
+
+ if (phy_dev)
+ switch (state) {
+ case ETHTOOL_ID_ACTIVE:
+ ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
+ HNS_PHY_PAGE_LED);
+ if (ret)
+ return ret;
+
+ priv->phy_led_val = phy_read(phy_dev, HNS_LED_FC_REG);
+
+ ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
+ HNS_PHY_PAGE_COPPER);
+ if (ret)
+ return ret;
+ return 2;
+ case ETHTOOL_ID_ON:
+ ret = hns_phy_led_set(netdev, HNS_LED_FORCE_ON);
+ if (ret)
+ return ret;
+ break;
+ case ETHTOOL_ID_OFF:
+ ret = hns_phy_led_set(netdev, HNS_LED_FORCE_OFF);
+ if (ret)
+ return ret;
+ break;
+ case ETHTOOL_ID_INACTIVE:
+ ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
+ HNS_PHY_PAGE_LED);
+ if (ret)
+ return ret;
+
+ ret = phy_write(phy_dev, HNS_LED_FC_REG,
+ priv->phy_led_val);
+ if (ret)
+ return ret;
+
+ ret = phy_write(phy_dev, HNS_PHY_PAGE_REG,
+ HNS_PHY_PAGE_COPPER);
+ if (ret)
+ return ret;
+ break;
+ default:
+ return -EINVAL;
+ }
+ else
+ switch (state) {
+ case ETHTOOL_ID_ACTIVE:
+ return h->dev->ops->set_led_id(h, HNAE_LED_ACTIVE);
+ case ETHTOOL_ID_ON:
+ return h->dev->ops->set_led_id(h, HNAE_LED_ON);
+ case ETHTOOL_ID_OFF:
+ return h->dev->ops->set_led_id(h, HNAE_LED_OFF);
+ case ETHTOOL_ID_INACTIVE:
+ return h->dev->ops->set_led_id(h, HNAE_LED_INACTIVE);
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/**
+ * hns_get_regs - get net device register
+ * @net_dev: net device
+ * @cmd: ethtool cmd
+ * @data: register data
+ */
+static void hns_get_regs(struct net_device *net_dev, struct ethtool_regs *cmd,
+ void *data)
+{
+ struct hns_nic_priv *priv = netdev_priv(net_dev);
+ struct hnae_ae_ops *ops;
+
+ ops = priv->ae_handle->dev->ops;
+
+ cmd->version = HNS_CHIP_VERSION;
+ if (!ops->get_regs) {
+ netdev_err(net_dev, "ops->get_regs is null!\n");
+ return;
+ }
+ ops->get_regs(priv->ae_handle, data);
+}
+
+/**
+ * hns_get_regs_len - get total register len.
+ * @net_dev: net device
+ *
+ * Return total register len.
+ */
+static int hns_get_regs_len(struct net_device *net_dev)
+{
+ u32 reg_num;
+ struct hns_nic_priv *priv = netdev_priv(net_dev);
+ struct hnae_ae_ops *ops;
+
+ ops = priv->ae_handle->dev->ops;
+ if (!ops->get_regs_len) {
+ netdev_err(net_dev, "ops->get_regs_len is null!\n");
+ return -EOPNOTSUPP;
+ }
+
+ reg_num = ops->get_regs_len(priv->ae_handle);
+ if (reg_num > 0)
+ return reg_num * sizeof(u32);
+ else
+ return reg_num; /* error code */
+}
+
+/**
+ * hns_nic_nway_reset - nway reset
+ * @netdev: net device
+ *
+ * Return 0 on success, negative on failure
+ */
+static int hns_nic_nway_reset(struct net_device *netdev)
+{
+ struct phy_device *phy = netdev->phydev;
+
+ if (!netif_running(netdev))
+ return 0;
+
+ if (!phy)
+ return -EOPNOTSUPP;
+
+ if (phy->autoneg != AUTONEG_ENABLE)
+ return -EINVAL;
+
+ return genphy_restart_aneg(phy);
+}
+
+static u32
+hns_get_rss_key_size(struct net_device *netdev)
+{
+ struct hns_nic_priv *priv = netdev_priv(netdev);
+ struct hnae_ae_ops *ops;
+
+ if (AE_IS_VER1(priv->enet_ver)) {
+ netdev_err(netdev,
+ "RSS feature is not supported on this hardware\n");
+ return 0;
+ }
+
+ ops = priv->ae_handle->dev->ops;
+ return ops->get_rss_key_size(priv->ae_handle);
+}
+
+static u32
+hns_get_rss_indir_size(struct net_device *netdev)
+{
+ struct hns_nic_priv *priv = netdev_priv(netdev);
+ struct hnae_ae_ops *ops;
+
+ if (AE_IS_VER1(priv->enet_ver)) {
+ netdev_err(netdev,
+ "RSS feature is not supported on this hardware\n");
+ return 0;
+ }
+
+ ops = priv->ae_handle->dev->ops;
+ return ops->get_rss_indir_size(priv->ae_handle);
+}
+
+static int
+hns_get_rss(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
+{
+ struct hns_nic_priv *priv = netdev_priv(netdev);
+ struct hnae_ae_ops *ops;
+
+ if (AE_IS_VER1(priv->enet_ver)) {
+ netdev_err(netdev,
+ "RSS feature is not supported on this hardware\n");
+ return -EOPNOTSUPP;
+ }
+
+ ops = priv->ae_handle->dev->ops;
+
+ if (!indir)
+ return 0;
+
+ return ops->get_rss(priv->ae_handle, indir, key, hfunc);
+}
+
+static int
+hns_set_rss(struct net_device *netdev, const u32 *indir, const u8 *key,
+ const u8 hfunc)
+{
+ struct hns_nic_priv *priv = netdev_priv(netdev);
+ struct hnae_ae_ops *ops;
+
+ if (AE_IS_VER1(priv->enet_ver)) {
+ netdev_err(netdev,
+ "RSS feature is not supported on this hardware\n");
+ return -EOPNOTSUPP;
+ }
+
+ ops = priv->ae_handle->dev->ops;
+
+ if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) {
+ netdev_err(netdev, "Invalid hfunc!\n");
+ return -EOPNOTSUPP;
+ }
+
+ return ops->set_rss(priv->ae_handle, indir, key, hfunc);
+}
+
+static int hns_get_rxnfc(struct net_device *netdev,
+ struct ethtool_rxnfc *cmd,
+ u32 *rule_locs)
+{
+ struct hns_nic_priv *priv = netdev_priv(netdev);
+
+ switch (cmd->cmd) {
+ case ETHTOOL_GRXRINGS:
+ cmd->data = priv->ae_handle->q_num;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static const struct ethtool_ops hns_ethtool_ops = {
+ .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
+ ETHTOOL_COALESCE_MAX_FRAMES |
+ ETHTOOL_COALESCE_USE_ADAPTIVE |
+ ETHTOOL_COALESCE_USECS_LOW_HIGH |
+ ETHTOOL_COALESCE_MAX_FRAMES_LOW_HIGH,
+ .get_drvinfo = hns_nic_get_drvinfo,
+ .get_link = hns_nic_get_link,
+ .get_ringparam = hns_get_ringparam,
+ .get_pauseparam = hns_get_pauseparam,
+ .set_pauseparam = hns_set_pauseparam,
+ .get_coalesce = hns_get_coalesce,
+ .set_coalesce = hns_set_coalesce,
+ .get_channels = hns_get_channels,
+ .self_test = hns_nic_self_test,
+ .get_strings = hns_get_strings,
+ .get_sset_count = hns_get_sset_count,
+ .get_ethtool_stats = hns_get_ethtool_stats,
+ .set_phys_id = hns_set_phys_id,
+ .get_regs_len = hns_get_regs_len,
+ .get_regs = hns_get_regs,
+ .nway_reset = hns_nic_nway_reset,
+ .get_rxfh_key_size = hns_get_rss_key_size,
+ .get_rxfh_indir_size = hns_get_rss_indir_size,
+ .get_rxfh = hns_get_rss,
+ .set_rxfh = hns_set_rss,
+ .get_rxnfc = hns_get_rxnfc,
+ .get_link_ksettings = hns_nic_get_link_ksettings,
+ .set_link_ksettings = hns_nic_set_link_ksettings,
+};
+
+void hns_ethtool_set_ops(struct net_device *ndev)
+{
+ ndev->ethtool_ops = &hns_ethtool_ops;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-18 13:46:49 +0000