diff options
| -rw-r--r-- | drivers/net/ethernet/broadcom/genet/bcmgenet.c | 51 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/genet/bcmgenet.h | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/genet/bcmmii.c | 44 |
3 files changed, 92 insertions, 7 deletions
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 3427f9ed7eb9..6a8234bc9428 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -935,6 +935,48 @@ static int bcmgenet_set_coalesce(struct net_device *dev, return 0; } +static void bcmgenet_get_pauseparam(struct net_device *dev, + struct ethtool_pauseparam *epause) +{ + struct bcmgenet_priv *priv; + u32 umac_cmd; + + priv = netdev_priv(dev); + + epause->autoneg = priv->autoneg_pause; + + if (netif_carrier_ok(dev)) { + /* report active state when link is up */ + umac_cmd = bcmgenet_umac_readl(priv, UMAC_CMD); + epause->tx_pause = !(umac_cmd & CMD_TX_PAUSE_IGNORE); + epause->rx_pause = !(umac_cmd & CMD_RX_PAUSE_IGNORE); + } else { + /* otherwise report stored settings */ + epause->tx_pause = priv->tx_pause; + epause->rx_pause = priv->rx_pause; + } +} + +static int bcmgenet_set_pauseparam(struct net_device *dev, + struct ethtool_pauseparam *epause) +{ + struct bcmgenet_priv *priv = netdev_priv(dev); + + if (!dev->phydev) + return -ENODEV; + + if (!phy_validate_pause(dev->phydev, epause)) + return -EINVAL; + + priv->autoneg_pause = !!epause->autoneg; + priv->tx_pause = !!epause->tx_pause; + priv->rx_pause = !!epause->rx_pause; + + bcmgenet_phy_pause_set(dev, priv->rx_pause, priv->tx_pause); + + return 0; +} + /* standard ethtool support functions. */ enum bcmgenet_stat_type { BCMGENET_STAT_NETDEV = -1, @@ -1587,6 +1629,8 @@ static const struct ethtool_ops bcmgenet_ethtool_ops = { .get_ts_info = ethtool_op_get_ts_info, .get_rxnfc = bcmgenet_get_rxnfc, .set_rxnfc = bcmgenet_set_rxnfc, + .get_pauseparam = bcmgenet_get_pauseparam, + .set_pauseparam = bcmgenet_set_pauseparam, }; /* Power down the unimac, based on mode. */ @@ -3364,6 +3408,8 @@ static int bcmgenet_open(struct net_device *dev) goto err_irq1; } + bcmgenet_phy_pause_set(dev, priv->rx_pause, priv->tx_pause); + bcmgenet_netif_start(dev); netif_tx_start_all_queues(dev); @@ -3945,6 +3991,11 @@ static int bcmgenet_probe(struct platform_device *pdev) spin_lock_init(&priv->lock); + /* Set default pause parameters */ + priv->autoneg_pause = 1; + priv->tx_pause = 1; + priv->rx_pause = 1; + SET_NETDEV_DEV(dev, &pdev->dev); dev_set_drvdata(&pdev->dev, dev); dev->watchdog_timeo = 2 * HZ; diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h index 406249bc9fe5..1cc2838e52c6 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h @@ -594,6 +594,9 @@ struct bcmgenet_priv { /* other misc variables */ struct bcmgenet_hw_params *hw_params; + unsigned autoneg_pause:1; + unsigned tx_pause:1; + unsigned rx_pause:1; /* MDIO bus variables */ wait_queue_head_t wq; @@ -686,6 +689,7 @@ int bcmgenet_mii_init(struct net_device *dev); int bcmgenet_mii_config(struct net_device *dev, bool init); int bcmgenet_mii_probe(struct net_device *dev); void bcmgenet_mii_exit(struct net_device *dev); +void bcmgenet_phy_pause_set(struct net_device *dev, bool rx, bool tx); void bcmgenet_phy_power_set(struct net_device *dev, bool enable); void bcmgenet_mii_setup(struct net_device *dev); diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c index 789ca6212817..ad56f54eda0a 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmmii.c +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c @@ -41,12 +41,29 @@ static void bcmgenet_mac_config(struct net_device *dev) cmd_bits <<= CMD_SPEED_SHIFT; /* duplex */ - if (phydev->duplex != DUPLEX_FULL) - cmd_bits |= CMD_HD_EN; + if (phydev->duplex != DUPLEX_FULL) { + cmd_bits |= CMD_HD_EN | + CMD_RX_PAUSE_IGNORE | CMD_TX_PAUSE_IGNORE; + } else { + /* pause capability defaults to Symmetric */ + if (priv->autoneg_pause) { + bool tx_pause = 0, rx_pause = 0; + + if (phydev->autoneg) + phy_get_pause(phydev, &tx_pause, &rx_pause); - /* pause capability */ - if (!phydev->pause) - cmd_bits |= CMD_RX_PAUSE_IGNORE | CMD_TX_PAUSE_IGNORE; + if (!tx_pause) + cmd_bits |= CMD_TX_PAUSE_IGNORE; + if (!rx_pause) + cmd_bits |= CMD_RX_PAUSE_IGNORE; + } + + /* Manual override */ + if (!priv->rx_pause) + cmd_bits |= CMD_RX_PAUSE_IGNORE; + if (!priv->tx_pause) + cmd_bits |= CMD_TX_PAUSE_IGNORE; + } /* Program UMAC and RGMII block based on established * link speed, duplex, and pause. The speed set in @@ -101,6 +118,21 @@ static int bcmgenet_fixed_phy_link_update(struct net_device *dev, return 0; } +void bcmgenet_phy_pause_set(struct net_device *dev, bool rx, bool tx) +{ + struct phy_device *phydev = dev->phydev; + + linkmode_mod_bit(ETHTOOL_LINK_MODE_Pause_BIT, phydev->advertising, rx); + linkmode_mod_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, phydev->advertising, + rx | tx); + phy_start_aneg(phydev); + + mutex_lock(&phydev->lock); + if (phydev->link) + bcmgenet_mac_config(dev); + mutex_unlock(&phydev->lock); +} + void bcmgenet_phy_power_set(struct net_device *dev, bool enable) { struct bcmgenet_priv *priv = netdev_priv(dev); @@ -351,8 +383,6 @@ int bcmgenet_mii_probe(struct net_device *dev) return ret; } - linkmode_copy(phydev->advertising, phydev->supported); - /* The internal PHY has its link interrupts routed to the * Ethernet MAC ISRs. On GENETv5 there is a hardware issue * that prevents the signaling of link UP interrupts when |