From 6ab96d1e06ba1452d583f3e45d6a3a45bb36b1c3 Mon Sep 17 00:00:00 2001 From: Ben Hutchings Date: Mon, 18 Nov 2013 23:25:20 +0000 Subject: [PATCH] tile_net: Implement the SIOCGHWTSTAMP ioctl Compile-tested only (thanks to the kbuild test robot). Signed-off-by: Ben Hutchings --- drivers/net/ethernet/tile/tilegx.c | 22 +++++++++++++++++++--- 1 file 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; } -- 2.30.2