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gianfar: Implement the SIOCGHWTSTAMP ioctl

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This is untested.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Ben Hutchings 2013-11-18 23:05:27 +00:00
parent 1d5244d0e4
commit ca0c88c289
1 changed files with 18 additions and 4 deletions
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22
drivers/net/ethernet/freescale/gianfar.c
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@ -795,8 +795,7 @@ err_grp_init:
return err;
}
static int gfar_hwtstamp_ioctl(struct net_device *netdev,
struct ifreq *ifr, int cmd)
static int gfar_hwtstamp_set(struct net_device *netdev, struct ifreq *ifr)
{
struct hwtstamp_config config;
struct gfar_private *priv = netdev_priv(netdev);
@ -845,7 +844,20 @@ static int gfar_hwtstamp_ioctl(struct net_device *netdev,
-EFAULT : 0;
}
/* Ioctl MII Interface */
static int gfar_hwtstamp_get(struct net_device *netdev, struct ifreq *ifr)
{
struct hwtstamp_config config;
struct gfar_private *priv = netdev_priv(netdev);
config.flags = 0;
config.tx_type = priv->hwts_tx_en ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF;
config.rx_filter = (priv->hwts_rx_en ?
HWTSTAMP_FILTER_ALL : HWTSTAMP_FILTER_NONE);
return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ?
-EFAULT : 0;
}
static int gfar_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
struct gfar_private *priv = netdev_priv(dev);
@ -854,7 +866,9 @@ static int gfar_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
return -EINVAL;
if (cmd == SIOCSHWTSTAMP)
return gfar_hwtstamp_ioctl(dev, rq, cmd);
return gfar_hwtstamp_set(dev, rq);
if (cmd == SIOCGHWTSTAMP)
return gfar_hwtstamp_get(dev, rq);
if (!priv->phydev)
return -ENODEV;