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authorBen Hutchings <bhutchings@solarflare.com>2013-11-18 22:54:03 +0000
committerBen Hutchings <bhutchings@solarflare.com>2013-11-21 17:17:15 +0000
commit7575c917cf29824b71c4dff8274fe39fc32bc173 (patch)
tree11c4cd2b73bb791012c28fde4c4c0c4ddf4581a5 /drivers
parent433dc9b3d123e72a0f5988c1f0d1c9319a735276 (diff)
downloadblackbird-op-linux-7575c917cf29824b71c4dff8274fe39fc32bc173.tar.gz
blackbird-op-linux-7575c917cf29824b71c4dff8274fe39fc32bc173.zip
bfin_mac: 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')
-rw-r--r--drivers/net/ethernet/adi/bfin_mac.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/net/ethernet/adi/bfin_mac.c b/drivers/net/ethernet/adi/bfin_mac.c
index 75fb1d20d6fd..0d4f29579879 100644
--- a/drivers/net/ethernet/adi/bfin_mac.c
+++ b/drivers/net/ethernet/adi/bfin_mac.c
@@ -667,8 +667,8 @@ static u32 bfin_select_phc_clock(u32 input_clk, unsigned int *shift_result)
return 1000000000UL / ppn;
}
-static int bfin_mac_hwtstamp_ioctl(struct net_device *netdev,
- struct ifreq *ifr, int cmd)
+static int bfin_mac_hwtstamp_set(struct net_device *netdev,
+ struct ifreq *ifr)
{
struct hwtstamp_config config;
struct bfin_mac_local *lp = netdev_priv(netdev);
@@ -824,6 +824,16 @@ static int bfin_mac_hwtstamp_ioctl(struct net_device *netdev,
-EFAULT : 0;
}
+static int bfin_mac_hwtstamp_get(struct net_device *netdev,
+ struct ifreq *ifr)
+{
+ struct bfin_mac_local *lp = netdev_priv(netdev);
+
+ return copy_to_user(ifr->ifr_data, &lp->stamp_cfg,
+ sizeof(lp->stamp_cfg)) ?
+ -EFAULT : 0;
+}
+
static void bfin_tx_hwtstamp(struct net_device *netdev, struct sk_buff *skb)
{
struct bfin_mac_local *lp = netdev_priv(netdev);
@@ -1062,7 +1072,8 @@ static void bfin_phc_release(struct bfin_mac_local *lp)
#else
# define bfin_mac_hwtstamp_is_none(cfg) 0
# define bfin_mac_hwtstamp_init(dev)
-# define bfin_mac_hwtstamp_ioctl(dev, ifr, cmd) (-EOPNOTSUPP)
+# define bfin_mac_hwtstamp_set(dev, ifr) (-EOPNOTSUPP)
+# define bfin_mac_hwtstamp_get(dev, ifr) (-EOPNOTSUPP)
# define bfin_rx_hwtstamp(dev, skb)
# define bfin_tx_hwtstamp(dev, skb)
# define bfin_phc_init(netdev, dev) 0
@@ -1496,7 +1507,9 @@ static int bfin_mac_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
switch (cmd) {
case SIOCSHWTSTAMP:
- return bfin_mac_hwtstamp_ioctl(netdev, ifr, cmd);
+ return bfin_mac_hwtstamp_set(netdev, ifr);
+ case SIOCGHWTSTAMP:
+ return bfin_mac_hwtstamp_get(netdev, ifr);
default:
if (lp->phydev)
return phy_mii_ioctl(lp->phydev, ifr, cmd);
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