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tile_net: Implement the SIOCGHWTSTAMP ioctl

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Compile-tested only (thanks to the kbuild test robot).

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Ben Hutchings 2013-11-18 23:25:20 +00:00
parent a5b4145ba9
commit 6ab96d1e06
1 changed files with 19 additions and 3 deletions
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22
drivers/net/ethernet/tile/tilegx.c
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@ -481,8 +481,7 @@ static void tile_tx_timestamp(struct sk_buff *skb, int instance)
} }
/* Use ioctl() to enable or disable TX or RX timestamping. */ /* Use ioctl() to enable or disable TX or RX timestamping. */
static int tile_hwtstamp_ioctl(struct net_device *dev, struct ifreq *rq, static int tile_hwtstamp_set(struct net_device *dev, struct ifreq *rq)
int cmd)
{ {
#ifdef CONFIG_PTP_1588_CLOCK_TILEGX #ifdef CONFIG_PTP_1588_CLOCK_TILEGX
struct hwtstamp_config config; struct hwtstamp_config config;
@ -535,6 +534,21 @@ static int tile_hwtstamp_ioctl(struct net_device *dev, struct ifreq *rq,
#endif #endif
} }
static int tile_hwtstamp_get(struct net_device *dev, struct ifreq *rq)
{
#ifdef CONFIG_PTP_1588_CLOCK_TILEGX
struct tile_net_priv *priv = netdev_priv(dev);
if (copy_to_user(rq->ifr_data, &priv->stamp_cfg,
sizeof(priv->stamp_cfg)))
return -EFAULT;
return 0;
#else
return -EOPNOTSUPP;
#endif
}
static inline bool filter_packet(struct net_device *dev, void *buf) static inline bool filter_packet(struct net_device *dev, void *buf)
{ {
/* Filter packets received before we're up. */ /* Filter packets received before we're up. */
@ -2098,7 +2112,9 @@ static void tile_net_tx_timeout(struct net_device *dev)
static int tile_net_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) static int tile_net_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{ {
if (cmd == SIOCSHWTSTAMP) if (cmd == SIOCSHWTSTAMP)
return tile_hwtstamp_ioctl(dev, rq, cmd); return tile_hwtstamp_set(dev, rq);
if (cmd == SIOCGHWTSTAMP)
return tile_hwtstamp_get(dev, rq);
return -EOPNOTSUPP; return -EOPNOTSUPP;
} }