From 7575c917cf29824b71c4dff8274fe39fc32bc173 Mon Sep 17 00:00:00 2001 From: Ben Hutchings Date: Mon, 18 Nov 2013 22:54:03 +0000 Subject: [PATCH] bfin_mac: Implement the SIOCGHWTSTAMP ioctl Compile-tested only (thanks to the kbuild test robot). Signed-off-by: Ben Hutchings --- drivers/net/ethernet/adi/bfin_mac.c | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/adi/bfin_mac.c b/drivers/net/ethernet/adi/bfin_mac.c index 75fb1d2..0d4f295 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); -- 2.7.4