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net: ethernet: Add helper for set_pauseparam for Pause

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ethtool can be used to enable/disable pause. Add a helper to configure
the PHY when Pause is supported.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andrew Lunn 2018-09-12 01:53:18 +02:00 committed by David S. Miller
parent 70814e819c
commit 0c122405d4
4 changed files with 29 additions and 12 deletions
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7
drivers/net/ethernet/broadcom/bcm63xx_enet.c
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@ -892,11 +892,8 @@ static int bcm_enet_open(struct net_device *dev)
/* mask with MAC supported features */
phy_support_sym_pause(phydev);
phy_set_max_speed(phydev, SPEED_100);
if (priv->pause_auto && priv->pause_rx && priv->pause_tx)
phydev->advertising |= SUPPORTED_Pause;
else
phydev->advertising &= ~SUPPORTED_Pause;
phy_set_sym_pause(phydev, priv->pause_rx, priv->pause_rx,
priv->pause_auto);
phy_attached_info(phydev);

9
drivers/net/ethernet/freescale/fec_main.c
View File

@ -2229,13 +2229,8 @@ static int fec_enet_set_pauseparam(struct net_device *ndev,
fep->pause_flag |= pause->rx_pause ? FEC_PAUSE_FLAG_ENABLE : 0;
fep->pause_flag |= pause->autoneg ? FEC_PAUSE_FLAG_AUTONEG : 0;
if (pause->rx_pause || pause->autoneg) {
ndev->phydev->supported |= ADVERTISED_Pause;
ndev->phydev->advertising |= ADVERTISED_Pause;
} else {
ndev->phydev->supported &= ~ADVERTISED_Pause;
ndev->phydev->advertising &= ~ADVERTISED_Pause;
}
phy_set_sym_pause(ndev->phydev, pause->rx_pause, pause->tx_pause,
pause->autoneg);
if (pause->autoneg) {
if (netif_running(ndev))

23
drivers/net/phy/phy_device.c
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@ -1810,6 +1810,29 @@ void phy_support_asym_pause(struct phy_device *phydev)
}
EXPORT_SYMBOL(phy_support_asym_pause);
/**
* phy_set_sym_pause - Configure symmetric Pause
* @phydev: target phy_device struct
* @rx: Receiver Pause is supported
* @tx: Transmit Pause is supported
* @autoneg: Auto neg should be used
*
* Description: Configure advertised Pause support depending on if
* receiver pause and pause auto neg is supported. Generally called
* from the set_pauseparam .ndo.
*/
void phy_set_sym_pause(struct phy_device *phydev, bool rx, bool tx,
bool autoneg)
{
phydev->supported &= ~SUPPORTED_Pause;
if (rx && tx && autoneg)
phydev->supported |= SUPPORTED_Pause;
phydev->advertising = phydev->supported;
}
EXPORT_SYMBOL(phy_set_sym_pause);
/**
* phy_set_asym_pause - Configure Pause and Asym Pause
* @phydev: target phy_device struct

2
include/linux/phy.h
View File

@ -1052,6 +1052,8 @@ int phy_set_max_speed(struct phy_device *phydev, u32 max_speed);
void phy_remove_link_mode(struct phy_device *phydev, u32 link_mode);
void phy_support_sym_pause(struct phy_device *phydev);
void phy_support_asym_pause(struct phy_device *phydev);
void phy_set_sym_pause(struct phy_device *phydev, bool rx, bool tx,
bool autoneg);
void phy_set_asym_pause(struct phy_device *phydev, bool rx, bool tx);
int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask,