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Commit a5b4145b authored by Ben Hutchings's avatar Ben Hutchings
Browse files

ti_cpsw: Implement the SIOCGHWTSTAMP ioctl



This is untested.

Signed-off-by: default avatarBen Hutchings <bhutchings@solarflare.com>
parent 450e55e9
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+22 −2
Original line number Diff line number Diff line
@@ -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;