diff options
| -rw-r--r-- | drivers/net/ethernet/microchip/lan743x_ethtool.c | 123 | ||||
| -rw-r--r-- | drivers/net/ethernet/microchip/lan743x_main.c | 22 | ||||
| -rw-r--r-- | drivers/net/ethernet/microchip/lan743x_main.h | 1 | 
3 files changed, 67 insertions, 79 deletions
| diff --git a/drivers/net/ethernet/microchip/lan743x_ethtool.c b/drivers/net/ethernet/microchip/lan743x_ethtool.c index 0f1c0edec460..1a1cbd034eda 100644 --- a/drivers/net/ethernet/microchip/lan743x_ethtool.c +++ b/drivers/net/ethernet/microchip/lan743x_ethtool.c @@ -1054,61 +1054,55 @@ static int lan743x_ethtool_get_eee(struct net_device *netdev,  				   struct ethtool_keee *eee)  {  	struct lan743x_adapter *adapter = netdev_priv(netdev); -	struct phy_device *phydev = netdev->phydev; -	u32 buf; -	int ret; - -	if (!phydev) -		return -EIO; -	if (!phydev->drv) { -		netif_err(adapter, drv, adapter->netdev, -			  "Missing PHY Driver\n"); -		return -EIO; -	} -	ret = phy_ethtool_get_eee(phydev, eee); -	if (ret < 0) -		return ret; +	eee->tx_lpi_timer = lan743x_csr_read(adapter, +					     MAC_EEE_TX_LPI_REQ_DLY_CNT); -	buf = lan743x_csr_read(adapter, MAC_CR); -	if (buf & MAC_CR_EEE_EN_) { -		/* EEE_TX_LPI_REQ_DLY & tx_lpi_timer are same uSec unit */ -		buf = lan743x_csr_read(adapter, MAC_EEE_TX_LPI_REQ_DLY_CNT); -		eee->tx_lpi_timer = buf; -	} else { -		eee->tx_lpi_timer = 0; -	} - -	return 0; +	return phylink_ethtool_get_eee(adapter->phylink, eee);  }  static int lan743x_ethtool_set_eee(struct net_device *netdev,  				   struct ethtool_keee *eee)  { -	struct lan743x_adapter *adapter; -	struct phy_device *phydev; -	u32 buf = 0; +	struct lan743x_adapter *adapter = netdev_priv(netdev); +	u32 tx_lpi_timer; -	if (!netdev) -		return -EINVAL; -	adapter = netdev_priv(netdev); -	if (!adapter) -		return -EINVAL; -	phydev = netdev->phydev; -	if (!phydev) -		return -EIO; -	if (!phydev->drv) { -		netif_err(adapter, drv, adapter->netdev, -			  "Missing PHY Driver\n"); -		return -EIO; -	} +	tx_lpi_timer = lan743x_csr_read(adapter, MAC_EEE_TX_LPI_REQ_DLY_CNT); +	if (tx_lpi_timer != eee->tx_lpi_timer) { +		u32 mac_cr = lan743x_csr_read(adapter, MAC_CR); + +		/* Software should only change this field when Energy Efficient +		 * Ethernet Enable (EEEEN) is cleared. +		 * This function will trigger an autonegotiation restart and +		 * eee will be reenabled during link up if eee was negotiated. +		 */ +		lan743x_mac_eee_enable(adapter, false); +		lan743x_csr_write(adapter, MAC_EEE_TX_LPI_REQ_DLY_CNT, +				  eee->tx_lpi_timer); -	if (eee->eee_enabled) { -		buf = (u32)eee->tx_lpi_timer; -		lan743x_csr_write(adapter, MAC_EEE_TX_LPI_REQ_DLY_CNT, buf); +		if (mac_cr & MAC_CR_EEE_EN_) +			lan743x_mac_eee_enable(adapter, true);  	} -	return phy_ethtool_set_eee(phydev, eee); +	return phylink_ethtool_set_eee(adapter->phylink, eee); +} + +static int +lan743x_ethtool_set_link_ksettings(struct net_device *netdev, +				   const struct ethtool_link_ksettings *cmd) +{ +	struct lan743x_adapter *adapter = netdev_priv(netdev); + +	return phylink_ethtool_ksettings_set(adapter->phylink, cmd); +} + +static int +lan743x_ethtool_get_link_ksettings(struct net_device *netdev, +				   struct ethtool_link_ksettings *cmd) +{ +	struct lan743x_adapter *adapter = netdev_priv(netdev); + +	return phylink_ethtool_ksettings_get(adapter->phylink, cmd);  }  #ifdef CONFIG_PM @@ -1120,8 +1114,7 @@ static void lan743x_ethtool_get_wol(struct net_device *netdev,  	wol->supported = 0;  	wol->wolopts = 0; -	if (netdev->phydev) -		phy_ethtool_get_wol(netdev->phydev, wol); +	phylink_ethtool_get_wol(adapter->phylink, wol);  	if (wol->supported != adapter->phy_wol_supported)  		netif_warn(adapter, drv, adapter->netdev, @@ -1162,7 +1155,7 @@ static int lan743x_ethtool_set_wol(struct net_device *netdev,  		    !(adapter->phy_wol_supported & WAKE_MAGICSECURE))  			phy_wol.wolopts &= ~WAKE_MAGIC; -		ret = phy_ethtool_set_wol(netdev->phydev, &phy_wol); +		ret = phylink_ethtool_set_wol(adapter->phylink, wol);  		if (ret && (ret != -EOPNOTSUPP))  			return ret; @@ -1351,44 +1344,16 @@ static void lan743x_get_pauseparam(struct net_device *dev,  				   struct ethtool_pauseparam *pause)  {  	struct lan743x_adapter *adapter = netdev_priv(dev); -	struct lan743x_phy *phy = &adapter->phy; -	if (phy->fc_request_control & FLOW_CTRL_TX) -		pause->tx_pause = 1; -	if (phy->fc_request_control & FLOW_CTRL_RX) -		pause->rx_pause = 1; -	pause->autoneg = phy->fc_autoneg; +	phylink_ethtool_get_pauseparam(adapter->phylink, pause);  }  static int lan743x_set_pauseparam(struct net_device *dev,  				  struct ethtool_pauseparam *pause)  {  	struct lan743x_adapter *adapter = netdev_priv(dev); -	struct phy_device *phydev = dev->phydev; -	struct lan743x_phy *phy = &adapter->phy; - -	if (!phydev) -		return -ENODEV; - -	if (!phy_validate_pause(phydev, pause)) -		return -EINVAL; - -	phy->fc_request_control = 0; -	if (pause->rx_pause) -		phy->fc_request_control |= FLOW_CTRL_RX; -	if (pause->tx_pause) -		phy->fc_request_control |= FLOW_CTRL_TX; - -	phy->fc_autoneg = pause->autoneg; - -	if (pause->autoneg == AUTONEG_DISABLE) -		lan743x_mac_flow_ctrl_set_enables(adapter, pause->tx_pause, -						  pause->rx_pause); -	else -		phy_set_asym_pause(phydev, pause->rx_pause,  pause->tx_pause); - -	return 0; +	return phylink_ethtool_set_pauseparam(adapter->phylink, pause);  }  const struct ethtool_ops lan743x_ethtool_ops = { @@ -1413,8 +1378,8 @@ const struct ethtool_ops lan743x_ethtool_ops = {  	.get_ts_info = lan743x_ethtool_get_ts_info,  	.get_eee = lan743x_ethtool_get_eee,  	.set_eee = lan743x_ethtool_set_eee, -	.get_link_ksettings = phy_ethtool_get_link_ksettings, -	.set_link_ksettings = phy_ethtool_set_link_ksettings, +	.get_link_ksettings = lan743x_ethtool_get_link_ksettings, +	.set_link_ksettings = lan743x_ethtool_set_link_ksettings,  	.get_regs_len = lan743x_get_regs_len,  	.get_regs = lan743x_get_regs,  	.get_pauseparam = lan743x_get_pauseparam, diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c index 2767bfa4bdec..4dc5adcda6a3 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.c +++ b/drivers/net/ethernet/microchip/lan743x_main.c @@ -2966,6 +2966,18 @@ static int lan743x_phylink_2500basex_config(struct lan743x_adapter *adapter)  	return lan743x_pcs_power_reset(adapter);  } +void lan743x_mac_eee_enable(struct lan743x_adapter *adapter, bool enable) +{ +	u32 mac_cr; + +	mac_cr = lan743x_csr_read(adapter, MAC_CR); +	if (enable) +		mac_cr |= MAC_CR_EEE_EN_; +	else +		mac_cr &= ~MAC_CR_EEE_EN_; +	lan743x_csr_write(adapter, MAC_CR, mac_cr); +} +  static void lan743x_phylink_mac_config(struct phylink_config *config,  				       unsigned int link_an_mode,  				       const struct phylink_link_state *state) @@ -3014,7 +3026,11 @@ static void lan743x_phylink_mac_link_down(struct phylink_config *config,  					  unsigned int link_an_mode,  					  phy_interface_t interface)  { +	struct net_device *netdev = to_net_dev(config->dev); +	struct lan743x_adapter *adapter = netdev_priv(netdev); +  	netif_tx_stop_all_queues(to_net_dev(config->dev)); +	lan743x_mac_eee_enable(adapter, false);  }  static void lan743x_phylink_mac_link_up(struct phylink_config *config, @@ -3056,6 +3072,9 @@ static void lan743x_phylink_mac_link_up(struct phylink_config *config,  					  cap & FLOW_CTRL_TX,  					  cap & FLOW_CTRL_RX); +	if (phydev) +		lan743x_mac_eee_enable(adapter, phydev->enable_tx_lpi); +  	netif_tx_wake_all_queues(netdev);  } @@ -3239,6 +3258,9 @@ static int lan743x_netdev_open(struct net_device *netdev)  			goto close_tx;  	} +	if (netdev->phydev) +		phy_support_eee(netdev->phydev); +  #ifdef CONFIG_PM  	if (adapter->netdev->phydev) {  		struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL }; diff --git a/drivers/net/ethernet/microchip/lan743x_main.h b/drivers/net/ethernet/microchip/lan743x_main.h index 7f73d66854be..8ef897c114d3 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.h +++ b/drivers/net/ethernet/microchip/lan743x_main.h @@ -1206,5 +1206,6 @@ void lan743x_hs_syslock_release(struct lan743x_adapter *adapter);  void lan743x_mac_flow_ctrl_set_enables(struct lan743x_adapter *adapter,  				       bool tx_enable, bool rx_enable);  int lan743x_sgmii_read(struct lan743x_adapter *adapter, u8 mmd, u16 addr); +void lan743x_mac_eee_enable(struct lan743x_adapter *adapter, bool enable);  #endif /* _LAN743X_H */ | 
