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authorBen Hutchings <bhutchings@solarflare.com>2013-11-19 00:25:20 +0100
committerBen Hutchings <bhutchings@solarflare.com>2013-11-21 18:17:43 +0100
commit6ab96d1e06ba1452d583f3e45d6a3a45bb36b1c3 (patch)
tree84cd42734bb6f2d3e0aaece11f55dfaa1bd84363 /drivers/net/ethernet/tile/tilegx.c
parentti_cpsw: Implement the SIOCGHWTSTAMP ioctl (diff)
downloadlinux-6ab96d1e06ba1452d583f3e45d6a3a45bb36b1c3.tar.xz
linux-6ab96d1e06ba1452d583f3e45d6a3a45bb36b1c3.zip
tile_net: Implement the SIOCGHWTSTAMP ioctl
Compile-tested only (thanks to the kbuild test robot). Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Diffstat (limited to 'drivers/net/ethernet/tile/tilegx.c')
-rw-r--r--drivers/net/ethernet/tile/tilegx.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c
index 628b736e5ae7..858f9a786b8c 100644
--- a/drivers/net/ethernet/tile/tilegx.c
+++ b/drivers/net/ethernet/tile/tilegx.c
@@ -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. */
-static int tile_hwtstamp_ioctl(struct net_device *dev, struct ifreq *rq,
- int cmd)
+static int tile_hwtstamp_set(struct net_device *dev, struct ifreq *rq)
{
#ifdef CONFIG_PTP_1588_CLOCK_TILEGX
struct hwtstamp_config config;
@@ -535,6 +534,21 @@ static int tile_hwtstamp_ioctl(struct net_device *dev, struct ifreq *rq,
#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)
{
/* 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)
{
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;
}