diff options
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hibmcge/hbg_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hibmcge/hbg_ethtool.c | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hibmcge/hbg_ethtool.c b/drivers/net/ethernet/hisilicon/hibmcge/hbg_ethtool.c new file mode 100644 index 000000000000..00364a438ec2 --- /dev/null +++ b/drivers/net/ethernet/hisilicon/hibmcge/hbg_ethtool.c @@ -0,0 +1,198 @@ +// SPDX-License-Identifier: GPL-2.0+ +// Copyright (c) 2024 Hisilicon Limited. + +#include <linux/ethtool.h> +#include <linux/phy.h> +#include <linux/rtnetlink.h> +#include "hbg_common.h" +#include "hbg_err.h" +#include "hbg_ethtool.h" +#include "hbg_hw.h" + +enum hbg_reg_dump_type { + HBG_DUMP_REG_TYPE_SPEC = 0, + HBG_DUMP_REG_TYPE_MDIO, + HBG_DUMP_REG_TYPE_GMAC, + HBG_DUMP_REG_TYPE_PCU, +}; + +struct hbg_reg_info { + u32 type; + u32 offset; + u32 val; +}; + +#define HBG_DUMP_SPEC_I(offset) {HBG_DUMP_REG_TYPE_SPEC, offset, 0} +#define HBG_DUMP_MDIO_I(offset) {HBG_DUMP_REG_TYPE_MDIO, offset, 0} +#define HBG_DUMP_GMAC_I(offset) {HBG_DUMP_REG_TYPE_GMAC, offset, 0} +#define HBG_DUMP_PCU_I(offset) {HBG_DUMP_REG_TYPE_PCU, offset, 0} + +static const struct hbg_reg_info hbg_dump_reg_infos[] = { + /* dev specs */ + HBG_DUMP_SPEC_I(HBG_REG_SPEC_VALID_ADDR), + HBG_DUMP_SPEC_I(HBG_REG_EVENT_REQ_ADDR), + HBG_DUMP_SPEC_I(HBG_REG_MAC_ID_ADDR), + HBG_DUMP_SPEC_I(HBG_REG_PHY_ID_ADDR), + HBG_DUMP_SPEC_I(HBG_REG_MAC_ADDR_ADDR), + HBG_DUMP_SPEC_I(HBG_REG_MAC_ADDR_HIGH_ADDR), + HBG_DUMP_SPEC_I(HBG_REG_UC_MAC_NUM_ADDR), + HBG_DUMP_SPEC_I(HBG_REG_MDIO_FREQ_ADDR), + HBG_DUMP_SPEC_I(HBG_REG_MAX_MTU_ADDR), + HBG_DUMP_SPEC_I(HBG_REG_MIN_MTU_ADDR), + HBG_DUMP_SPEC_I(HBG_REG_TX_FIFO_NUM_ADDR), + HBG_DUMP_SPEC_I(HBG_REG_RX_FIFO_NUM_ADDR), + HBG_DUMP_SPEC_I(HBG_REG_VLAN_LAYERS_ADDR), + + /* mdio */ + HBG_DUMP_MDIO_I(HBG_REG_MDIO_COMMAND_ADDR), + HBG_DUMP_MDIO_I(HBG_REG_MDIO_ADDR_ADDR), + HBG_DUMP_MDIO_I(HBG_REG_MDIO_WDATA_ADDR), + HBG_DUMP_MDIO_I(HBG_REG_MDIO_RDATA_ADDR), + HBG_DUMP_MDIO_I(HBG_REG_MDIO_STA_ADDR), + + /* gmac */ + HBG_DUMP_GMAC_I(HBG_REG_DUPLEX_TYPE_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_FD_FC_TYPE_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_FC_TX_TIMER_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_FD_FC_ADDR_LOW_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_FD_FC_ADDR_HIGH_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_MAX_FRAME_SIZE_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_PORT_MODE_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_PORT_ENABLE_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_PAUSE_ENABLE_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_AN_NEG_STATE_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_TRANSMIT_CTRL_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_REC_FILT_CTRL_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_LINE_LOOP_BACK_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_CF_CRC_STRIP_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_MODE_CHANGE_EN_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_LOOP_REG_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_RECV_CTRL_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_VLAN_CODE_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_STATION_ADDR_LOW_0_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_STATION_ADDR_HIGH_0_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_STATION_ADDR_LOW_1_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_STATION_ADDR_HIGH_1_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_STATION_ADDR_LOW_2_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_STATION_ADDR_HIGH_2_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_STATION_ADDR_LOW_3_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_STATION_ADDR_HIGH_3_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_STATION_ADDR_LOW_4_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_STATION_ADDR_HIGH_4_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_STATION_ADDR_LOW_5_ADDR), + HBG_DUMP_GMAC_I(HBG_REG_STATION_ADDR_HIGH_5_ADDR), + + /* pcu */ + HBG_DUMP_PCU_I(HBG_REG_TX_FIFO_THRSLD_ADDR), + HBG_DUMP_PCU_I(HBG_REG_RX_FIFO_THRSLD_ADDR), + HBG_DUMP_PCU_I(HBG_REG_CFG_FIFO_THRSLD_ADDR), + HBG_DUMP_PCU_I(HBG_REG_CF_INTRPT_MSK_ADDR), + HBG_DUMP_PCU_I(HBG_REG_CF_INTRPT_STAT_ADDR), + HBG_DUMP_PCU_I(HBG_REG_CF_INTRPT_CLR_ADDR), + HBG_DUMP_PCU_I(HBG_REG_TX_BUS_ERR_ADDR_ADDR), + HBG_DUMP_PCU_I(HBG_REG_RX_BUS_ERR_ADDR_ADDR), + HBG_DUMP_PCU_I(HBG_REG_MAX_FRAME_LEN_ADDR), + HBG_DUMP_PCU_I(HBG_REG_DEBUG_ST_MCH_ADDR), + HBG_DUMP_PCU_I(HBG_REG_FIFO_CURR_STATUS_ADDR), + HBG_DUMP_PCU_I(HBG_REG_FIFO_HIST_STATUS_ADDR), + HBG_DUMP_PCU_I(HBG_REG_CF_CFF_DATA_NUM_ADDR), + HBG_DUMP_PCU_I(HBG_REG_CF_TX_PAUSE_ADDR), + HBG_DUMP_PCU_I(HBG_REG_RX_CFF_ADDR_ADDR), + HBG_DUMP_PCU_I(HBG_REG_RX_BUF_SIZE_ADDR), + HBG_DUMP_PCU_I(HBG_REG_BUS_CTRL_ADDR), + HBG_DUMP_PCU_I(HBG_REG_RX_CTRL_ADDR), + HBG_DUMP_PCU_I(HBG_REG_RX_PKT_MODE_ADDR), + HBG_DUMP_PCU_I(HBG_REG_DBG_ST0_ADDR), + HBG_DUMP_PCU_I(HBG_REG_DBG_ST1_ADDR), + HBG_DUMP_PCU_I(HBG_REG_DBG_ST2_ADDR), + HBG_DUMP_PCU_I(HBG_REG_BUS_RST_EN_ADDR), + HBG_DUMP_PCU_I(HBG_REG_CF_IND_TXINT_MSK_ADDR), + HBG_DUMP_PCU_I(HBG_REG_CF_IND_TXINT_STAT_ADDR), + HBG_DUMP_PCU_I(HBG_REG_CF_IND_TXINT_CLR_ADDR), + HBG_DUMP_PCU_I(HBG_REG_CF_IND_RXINT_MSK_ADDR), + HBG_DUMP_PCU_I(HBG_REG_CF_IND_RXINT_STAT_ADDR), + HBG_DUMP_PCU_I(HBG_REG_CF_IND_RXINT_CLR_ADDR), +}; + +static const u32 hbg_dump_type_base_array[] = { + [HBG_DUMP_REG_TYPE_SPEC] = 0, + [HBG_DUMP_REG_TYPE_MDIO] = HBG_REG_MDIO_BASE, + [HBG_DUMP_REG_TYPE_GMAC] = HBG_REG_SGMII_BASE, + [HBG_DUMP_REG_TYPE_PCU] = HBG_REG_SGMII_BASE, +}; + +static int hbg_ethtool_get_regs_len(struct net_device *netdev) +{ + return ARRAY_SIZE(hbg_dump_reg_infos) * sizeof(struct hbg_reg_info); +} + +static void hbg_ethtool_get_regs(struct net_device *netdev, + struct ethtool_regs *regs, void *data) +{ + struct hbg_priv *priv = netdev_priv(netdev); + struct hbg_reg_info *info; + u32 i, offset = 0; + + regs->version = 0; + for (i = 0; i < ARRAY_SIZE(hbg_dump_reg_infos); i++) { + info = data + offset; + + *info = hbg_dump_reg_infos[i]; + info->val = hbg_reg_read(priv, info->offset); + info->offset -= hbg_dump_type_base_array[info->type]; + + offset += sizeof(*info); + } +} + +static void hbg_ethtool_get_pauseparam(struct net_device *net_dev, + struct ethtool_pauseparam *param) +{ + struct hbg_priv *priv = netdev_priv(net_dev); + + param->autoneg = priv->mac.pause_autoneg; + hbg_hw_get_pause_enable(priv, ¶m->tx_pause, ¶m->rx_pause); +} + +static int hbg_ethtool_set_pauseparam(struct net_device *net_dev, + struct ethtool_pauseparam *param) +{ + struct hbg_priv *priv = netdev_priv(net_dev); + + priv->mac.pause_autoneg = param->autoneg; + phy_set_asym_pause(priv->mac.phydev, param->rx_pause, param->tx_pause); + + if (!param->autoneg) + hbg_hw_set_pause_enable(priv, param->tx_pause, param->rx_pause); + + priv->user_def.pause_param = *param; + return 0; +} + +static int hbg_ethtool_reset(struct net_device *netdev, u32 *flags) +{ + struct hbg_priv *priv = netdev_priv(netdev); + + if (*flags != ETH_RESET_DEDICATED) + return -EOPNOTSUPP; + + *flags = 0; + return hbg_reset(priv); +} + +static const struct ethtool_ops hbg_ethtool_ops = { + .get_link = ethtool_op_get_link, + .get_link_ksettings = phy_ethtool_get_link_ksettings, + .set_link_ksettings = phy_ethtool_set_link_ksettings, + .get_regs_len = hbg_ethtool_get_regs_len, + .get_regs = hbg_ethtool_get_regs, + .get_pauseparam = hbg_ethtool_get_pauseparam, + .set_pauseparam = hbg_ethtool_set_pauseparam, + .reset = hbg_ethtool_reset, + .nway_reset = phy_ethtool_nway_reset, +}; + +void hbg_ethtool_set_ops(struct net_device *netdev) +{ + netdev->ethtool_ops = &hbg_ethtool_ops; +} |