netdev - [PATCH net-next 10/16] e1000e: Implement the SIOCGHWTSTAMP ioctl

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Date:	Thu, 5 Dec 2013 23:54:08 +0000
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	David Miller <davem@...emloft.net>
CC:	<netdev@...r.kernel.org>, <linux-net-drivers@...arflare.com>,
	"Richard Cochran" <richardcochran@...il.com>,
	e1000-devel <e1000-devel@...ts.sourceforge.net>
Subject: [PATCH net-next 10/16] e1000e: Implement the SIOCGHWTSTAMP ioctl

Compile-tested only.

Signed-off-by: Ben Hutchings <bhutchings@...arflare.com>
---
 drivers/net/ethernet/intel/e1000e/netdev.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index f02816575369..03e6af736de4 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -5790,7 +5790,7 @@ static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
  * specified. Matching the kind of event packet is not supported, with the
  * exception of "all V2 events regardless of level 2 or 4".
  **/
-static int e1000e_hwtstamp_ioctl(struct net_device *netdev, struct ifreq *ifr)
+static int e1000e_hwtstamp_set(struct net_device *netdev, struct ifreq *ifr)
 {
 	struct e1000_adapter *adapter = netdev_priv(netdev);
 	struct hwtstamp_config config;
@@ -5825,6 +5825,14 @@ static int e1000e_hwtstamp_ioctl(struct net_device *netdev, struct ifreq *ifr)
 			    sizeof(config)) ? -EFAULT : 0;
 }
 
+static int e1000e_hwtstamp_get(struct net_device *netdev, struct ifreq *ifr)
+{
+	struct e1000_adapter *adapter = netdev_priv(netdev);
+
+	return copy_to_user(ifr->ifr_data, &adapter->hwtstamp_config,
+			    sizeof(adapter->hwtstamp_config)) ? -EFAULT : 0;
+}
+
 static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
 {
 	switch (cmd) {
@@ -5833,7 +5841,9 @@ static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
 	case SIOCSMIIREG:
 		return e1000_mii_ioctl(netdev, ifr, cmd);
 	case SIOCSHWTSTAMP:
-		return e1000e_hwtstamp_ioctl(netdev, ifr);
+		return e1000e_hwtstamp_set(netdev, ifr);
+	case SIOCGHWTSTAMP:
+		return e1000e_hwtstamp_get(netdev, ifr);
 	default:
 		return -EOPNOTSUPP;
 	}


-- 
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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