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net: ethernet: Add helper for MACs which support pause 

Rather than have the MAC drivers manipulate phydev members, add a
helper function for MACs supporting Pause, but not Asym Pause.

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 01:53:16 +02:00 committed by David S. Miller
parent af8d9bb2f2
commit c306ad3618
4 changed files with 17 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/broadcom/bcm63xx_enet.c
View File

@ -890,7 +890,7 @@ static int bcm_enet_open(struct net_device *dev)
}
/* mask with MAC supported features */
phydev->supported |= SUPPORTED_Pause;
phy_support_sym_pause(phydev);
phy_set_max_speed(phydev, SPEED_100);
if (priv->pause_auto && priv->pause_rx && priv->pause_tx)

4
drivers/net/ethernet/freescale/fec_main.c
View File

@ -1950,14 +1950,12 @@ static int fec_enet_mii_probe(struct net_device *ndev)
phy_remove_link_mode(phy_dev,
ETHTOOL_LINK_MODE_1000baseT_Half_BIT);
#if !defined(CONFIG_M5272)
phy_dev->supported |= SUPPORTED_Pause;
phy_support_sym_pause(phy_dev);
#endif
}
else
phy_set_max_speed(phy_dev, 100);
phy_dev->advertising = phy_dev->supported;
fep->link = 0;
fep->full_duplex = 0;

14
drivers/net/phy/phy_device.c
View File

@ -1783,6 +1783,20 @@ void phy_remove_link_mode(struct phy_device *phydev, u32 link_mode)
}
EXPORT_SYMBOL(phy_remove_link_mode);
/**
* phy_support_sym_pause - Enable support of symmetrical pause
* @phydev: target phy_device struct
*
* Description: Called by the MAC to indicate is supports symmetrical
* Pause, but not asym pause.
*/
void phy_support_sym_pause(struct phy_device *phydev)
{
phydev->supported |= SUPPORTED_Pause;
phydev->advertising = phydev->supported;
}
EXPORT_SYMBOL(phy_support_sym_pause);
/**
* phy_support_asym_pause - Enable support of asym pause
* @phydev: target phy_device struct

1
include/linux/phy.h
View File

@ -1050,6 +1050,7 @@ int phy_start_interrupts(struct phy_device *phydev);
void phy_print_status(struct phy_device *phydev);
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);
int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask,