diff options
| author | Claudiu Manoil <claudiu.manoil@freescale.com> | 2013-07-30 11:36:49 (GMT) |
|---|---|---|
| committer | Fleming Andrew-AFLEMING <AFLEMING@freescale.com> | 2013-08-07 21:51:18 (GMT) |
| commit | 6b7db5dc558dcf99f781be85a688abcdf75f2869 (patch) | |
| tree | 50258130c325a43c80130ce3398f427488202aa4 /drivers/net | |
| parent | b3698257aac8d5b8db58535037575812b6208f79 (diff) | |
| download | linux-fsl-qoriq-6b7db5dc558dcf99f781be85a688abcdf75f2869.tar.xz | |
gianfar: Add ethtool -A support for pause frame
Allow Rx/Tx pause frame configuration via ethtool.
The gfar devices feature link autonegotioation by default.
The device is being configured with the new pause frame
settings during link autonegotiation (see adjust_link()).
Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Change-Id: Icd0b4155ad10e6f9174ffe17c8bf5bec748f9142
Reviewed-on: http://git.am.freescale.net:8181/3651
Reviewed-by: Bucur Madalin-Cristian-B32716 <madalin.bucur@freescale.com>
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Tested-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/freescale/gianfar.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/gianfar_ethtool.c | 30 |
2 files changed, 31 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/gianfar.h b/drivers/net/ethernet/freescale/gianfar.h index 3909ef6..e74dfeb 100644 --- a/drivers/net/ethernet/freescale/gianfar.h +++ b/drivers/net/ethernet/freescale/gianfar.h @@ -1446,6 +1446,7 @@ void gfar_init_sysfs(struct net_device *dev); int gfar_set_features(struct net_device *dev, netdev_features_t features); extern void gfar_check_rx_parser_mode(struct gfar_private *priv); extern void gfar_vlan_mode(struct net_device *dev, netdev_features_t features); +void gfar_configure_pause(struct gfar_private *priv, bool en); extern const struct ethtool_ops gfar_ethtool_ops; extern struct list_head gfar_recycle_queues; diff --git a/drivers/net/ethernet/freescale/gianfar_ethtool.c b/drivers/net/ethernet/freescale/gianfar_ethtool.c index 565b26d..c03c5cd 100644 --- a/drivers/net/ethernet/freescale/gianfar_ethtool.c +++ b/drivers/net/ethernet/freescale/gianfar_ethtool.c @@ -539,6 +539,34 @@ static int gfar_sringparam(struct net_device *dev, return err; } +static void gfar_gpauseparam(struct net_device *dev, + struct ethtool_pauseparam *pause) +{ + struct gfar_private *priv = netdev_priv(dev); + + pause->autoneg = AUTONEG_ENABLE; + if (priv->rx_pause) + pause->rx_pause = 1; + if (priv->tx_pause) + pause->tx_pause = 1; +} + +static int gfar_spauseparam(struct net_device *dev, + struct ethtool_pauseparam *pause) +{ + struct gfar_private *priv = netdev_priv(dev); + struct phy_device *phydev = priv->phydev; + + priv->rx_pause = !!pause->rx_pause; + priv->tx_pause = !!pause->tx_pause; + + /* update h/w settings, if link is up */ + if (phydev && phydev->link) + gfar_configure_pause(priv, !!phydev->duplex); + + return 0; +} + int gfar_set_features(struct net_device *dev, netdev_features_t features) { struct gfar_private *priv = netdev_priv(dev); @@ -1872,6 +1900,8 @@ const struct ethtool_ops gfar_ethtool_ops = { .set_coalesce = gfar_scoalesce, .get_ringparam = gfar_gringparam, .set_ringparam = gfar_sringparam, + .get_pauseparam = gfar_gpauseparam, + .set_pauseparam = gfar_spauseparam, .get_strings = gfar_gstrings, .get_sset_count = gfar_sset_count, .get_ethtool_stats = gfar_fill_stats, |