diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index 7d23e3dc7797686cfa57b092b9798ac2f24485c0..7a175e9893d1fa388dbc8a30ccc646d84a138295 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -476,7 +476,7 @@ struct stmmac_ops { void (*set_filter)(struct mac_device_info *hw, struct net_device *dev); /* Flow control setting */ void (*flow_ctrl)(struct mac_device_info *hw, unsigned int duplex, - unsigned int fc, unsigned int pause_time); + unsigned int fc, unsigned int pause_time, u32 tx_cnt); /* Set power management mode (e.g. magic frame) */ void (*pmt)(struct mac_device_info *hw, unsigned long mode); /* Set/Get Unicast MAC addresses */ diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c index 19b9b308709953cc9327961d3eb3bea527848bb7..3a95ad9357e37f493e629491aad4775b974b159a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c @@ -216,7 +216,8 @@ static void dwmac1000_set_filter(struct mac_device_info *hw, static void dwmac1000_flow_ctrl(struct mac_device_info *hw, unsigned int duplex, - unsigned int fc, unsigned int pause_time) + unsigned int fc, unsigned int pause_time, + u32 tx_cnt) { void __iomem *ioaddr = hw->pcsr; /* Set flow such that DZPQ in Mac Register 6 is 0, diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c index e370ccec6176671d1717d24d88917b88f69b1bd2..524135e6dd89afd959e5f77842899fcbbe7cd55b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c @@ -131,7 +131,8 @@ static void dwmac100_set_filter(struct mac_device_info *hw, } static void dwmac100_flow_ctrl(struct mac_device_info *hw, unsigned int duplex, - unsigned int fc, unsigned int pause_time) + unsigned int fc, unsigned int pause_time, + u32 tx_cnt) { void __iomem *ioaddr = hw->pcsr; unsigned int flow = MAC_FLOW_CTRL_ENABLE; diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index e9b153f75538970060871288bff38b885f4938a3..3069defb7eb1530192dc348f01f4885d303ea121 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -336,11 +336,12 @@ static void dwmac4_set_filter(struct mac_device_info *hw, } static void dwmac4_flow_ctrl(struct mac_device_info *hw, unsigned int duplex, - unsigned int fc, unsigned int pause_time) + unsigned int fc, unsigned int pause_time, + u32 tx_cnt) { void __iomem *ioaddr = hw->pcsr; - u32 channel = STMMAC_CHAN0; /* FIXME */ unsigned int flow = 0; + u32 queue = 0; pr_debug("GMAC Flow-Control:\n"); if (fc & FLOW_RX) { @@ -350,13 +351,18 @@ static void dwmac4_flow_ctrl(struct mac_device_info *hw, unsigned int duplex, } if (fc & FLOW_TX) { pr_debug("\tTransmit Flow-Control ON\n"); - flow |= GMAC_TX_FLOW_CTRL_TFE; - writel(flow, ioaddr + GMAC_QX_TX_FLOW_CTRL(channel)); - if (duplex) { + if (duplex) pr_debug("\tduplex mode: PAUSE %d\n", pause_time); - flow |= (pause_time << GMAC_TX_FLOW_CTRL_PT_SHIFT); - writel(flow, ioaddr + GMAC_QX_TX_FLOW_CTRL(channel)); + + for (queue = 0; queue < tx_cnt; queue++) { + flow |= GMAC_TX_FLOW_CTRL_TFE; + + if (duplex) + flow |= + (pause_time << GMAC_TX_FLOW_CTRL_PT_SHIFT); + + writel(flow, ioaddr + GMAC_QX_TX_FLOW_CTRL(queue)); } } } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c index 85d64114e159e6d76a03fe5cca839fb246a6e0e6..4a5dc896044ff2c4edaafe5e7c17305d79c26a5f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c @@ -481,6 +481,7 @@ stmmac_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) { struct stmmac_priv *priv = netdev_priv(netdev); + u32 tx_cnt = priv->plat->tx_queues_to_use; struct phy_device *phy = netdev->phydev; int new_pause = FLOW_OFF; @@ -511,7 +512,7 @@ stmmac_set_pauseparam(struct net_device *netdev, } priv->hw->mac->flow_ctrl(priv->hw, phy->duplex, priv->flow_ctrl, - priv->pause); + priv->pause, tx_cnt); return 0; } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index e1d5fe7f54a9097e7d7d84b12f2cc3f7888de469..f453fc5a2eda4c129f05da7c0d7981323977ac72 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -672,6 +672,19 @@ static void stmmac_release_ptp(struct stmmac_priv *priv) stmmac_ptp_unregister(priv); } +/** + * stmmac_mac_flow_ctrl - Configure flow control in all queues + * @priv: driver private structure + * Description: It is used for configuring the flow control in all queues + */ +static void stmmac_mac_flow_ctrl(struct stmmac_priv *priv, u32 duplex) +{ + u32 tx_cnt = priv->plat->tx_queues_to_use; + + priv->hw->mac->flow_ctrl(priv->hw, duplex, priv->flow_ctrl, + priv->pause, tx_cnt); +} + /** * stmmac_adjust_link - adjusts the link parameters * @dev: net device structure @@ -687,7 +700,6 @@ static void stmmac_adjust_link(struct net_device *dev) struct phy_device *phydev = dev->phydev; unsigned long flags; int new_state = 0; - unsigned int fc = priv->flow_ctrl, pause_time = priv->pause; if (!phydev) return; @@ -709,8 +721,7 @@ static void stmmac_adjust_link(struct net_device *dev) } /* Flow Control operation */ if (phydev->pause) - priv->hw->mac->flow_ctrl(priv->hw, phydev->duplex, - fc, pause_time); + stmmac_mac_flow_ctrl(priv, phydev->duplex); if (phydev->speed != priv->speed) { new_state = 1;