diff options
| author | Ben Hutchings <bhutchings@solarflare.com> | 2013-11-18 23:28:30 +0000 |
|---|---|---|
| committer | Ben Hutchings <bhutchings@solarflare.com> | 2013-11-21 17:17:48 +0000 |
| commit | 81fc347a0f0ab460276e3800147aaf2e8b32b466 (patch) | |
| tree | 24431dc1466b22c348212d61b15c23a38f4705af /drivers/net/ethernet | |
| parent | 6ab96d1e06ba1452d583f3e45d6a3a45bb36b1c3 (diff) | |
| download | linux-81fc347a0f0ab460276e3800147aaf2e8b32b466.tar.bz2 | |
ixp4xx_eth: Implement the SIOCGHWTSTAMP ioctl
This is untested.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/xscale/ixp4xx_eth.c | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c index bcc224a83734..25283f17d82f 100644 --- a/drivers/net/ethernet/xscale/ixp4xx_eth.c +++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c @@ -373,7 +373,7 @@ static void ixp_tx_timestamp(struct port *port, struct sk_buff *skb) __raw_writel(TX_SNAPSHOT_LOCKED, ®s->channel[ch].ch_event); } -static int hwtstamp_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) +static int hwtstamp_set(struct net_device *netdev, struct ifreq *ifr) { struct hwtstamp_config cfg; struct ixp46x_ts_regs *regs; @@ -417,6 +417,32 @@ static int hwtstamp_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0; } +static int hwtstamp_get(struct net_device *netdev, struct ifreq *ifr) +{ + struct hwtstamp_config cfg; + struct port *port = netdev_priv(netdev); + + cfg.flags = 0; + cfg.tx_type = port->hwts_tx_en ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF; + + switch (port->hwts_rx_en) { + case 0: + cfg.rx_filter = HWTSTAMP_FILTER_NONE; + break; + case PTP_SLAVE_MODE: + cfg.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_SYNC; + break; + case PTP_MASTER_MODE: + cfg.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ; + break; + default: + WARN_ON_ONCE(1); + return -ERANGE; + } + + return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0; +} + static int ixp4xx_mdio_cmd(struct mii_bus *bus, int phy_id, int location, int write, u16 cmd) { @@ -959,8 +985,12 @@ static int eth_ioctl(struct net_device *dev, struct ifreq *req, int cmd) if (!netif_running(dev)) return -EINVAL; - if (cpu_is_ixp46x() && cmd == SIOCSHWTSTAMP) - return hwtstamp_ioctl(dev, req, cmd); + if (cpu_is_ixp46x()) { + if (cmd == SIOCSHWTSTAMP) + return hwtstamp_set(dev, req); + if (cmd == SIOCGHWTSTAMP) + return hwtstamp_get(dev, req); + } return phy_mii_ioctl(port->phydev, req, cmd); } |