diff options
| author | Ben Hutchings <bhutchings@solarflare.com> | 2013-11-18 23:23:40 +0000 |
|---|---|---|
| committer | Ben Hutchings <bhutchings@solarflare.com> | 2013-11-21 17:17:42 +0000 |
| commit | a5b4145ba937b76dd698ad6fe5c5f37e0edbac43 (patch) | |
| tree | 336a4ab6d4773e6dd5f38fd1ebd0b7dfa5d7e702 /drivers/net/ethernet/ti/cpsw.c | |
| parent | 450e55e996e714250baee79e334e879ee659bd11 (diff) | |
ti_cpsw: Implement the SIOCGHWTSTAMP ioctl
This is untested.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Diffstat (limited to 'drivers/net/ethernet/ti/cpsw.c')
| -rw-r--r-- | drivers/net/ethernet/ti/cpsw.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 7536a4c01293..bc0cb154fc53 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -1322,7 +1322,7 @@ static void cpsw_hwtstamp_v2(struct cpsw_priv *priv) __raw_writel(ETH_P_1588, &priv->regs->ts_ltype); } -static int cpsw_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr) +static int cpsw_hwtstamp_set(struct net_device *dev, struct ifreq *ifr) { struct cpsw_priv *priv = netdev_priv(dev); struct cpts *cpts = priv->cpts; @@ -1383,6 +1383,24 @@ static int cpsw_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr) return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0; } +static int cpsw_hwtstamp_get(struct net_device *dev, struct ifreq *ifr) +{ + struct cpsw_priv *priv = netdev_priv(dev); + struct cpts *cpts = priv->cpts; + struct hwtstamp_config cfg; + + if (priv->version != CPSW_VERSION_1 && + priv->version != CPSW_VERSION_2) + return -EOPNOTSUPP; + + cfg.flags = 0; + cfg.tx_type = cpts->tx_enable ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF; + cfg.rx_filter = (cpts->rx_enable ? + HWTSTAMP_FILTER_PTP_V2_EVENT : HWTSTAMP_FILTER_NONE); + + return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0; +} + #endif /*CONFIG_TI_CPTS*/ static int cpsw_ndo_ioctl(struct net_device *dev, struct ifreq *req, int cmd) @@ -1397,7 +1415,9 @@ static int cpsw_ndo_ioctl(struct net_device *dev, struct ifreq *req, int cmd) switch (cmd) { #ifdef CONFIG_TI_CPTS case SIOCSHWTSTAMP: - return cpsw_hwtstamp_ioctl(dev, req); + return cpsw_hwtstamp_set(dev, req); + case SIOCGHWTSTAMP: + return cpsw_hwtstamp_get(dev, req); #endif case SIOCGMIIPHY: data->phy_id = priv->slaves[slave_no].phy->addr; |