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path: root/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_main.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c61
1 files changed, 40 insertions, 21 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 685d20472358..f12dd59c85cf 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -534,7 +534,7 @@ static void stmmac_get_rx_hwtstamp(struct stmmac_priv *priv, struct dma_desc *p,
}
/**
- * stmmac_hwtstamp_ioctl - control hardware timestamping.
+ * stmmac_hwtstamp_set - control hardware timestamping.
* @dev: device pointer.
* @ifr: An IOCTL specific structure, that can contain a pointer to
* a proprietary structure used to pass information to the driver.
@@ -544,7 +544,7 @@ static void stmmac_get_rx_hwtstamp(struct stmmac_priv *priv, struct dma_desc *p,
* Return Value:
* 0 on success and an appropriate -ve integer on failure.
*/
-static int stmmac_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr)
+static int stmmac_hwtstamp_set(struct net_device *dev, struct ifreq *ifr)
{
struct stmmac_priv *priv = netdev_priv(dev);
struct hwtstamp_config config;
@@ -573,7 +573,7 @@ static int stmmac_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr)
}
if (copy_from_user(&config, ifr->ifr_data,
- sizeof(struct hwtstamp_config)))
+ sizeof(config)))
return -EFAULT;
netdev_dbg(priv->dev, "%s config flags:0x%x, tx_type:0x%x, rx_filter:0x%x\n",
@@ -597,12 +597,13 @@ static int stmmac_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr)
case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
/* PTP v1, UDP, any kind of event packet */
config.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
- /* take time stamp for all event messages */
- if (xmac)
- snap_type_sel = PTP_GMAC4_TCR_SNAPTYPSEL_1;
- else
- snap_type_sel = PTP_TCR_SNAPTYPSEL_1;
-
+ /* 'xmac' hardware can support Sync, Pdelay_Req and
+ * Pdelay_resp by setting bit14 and bits17/16 to 01
+ * This leaves Delay_Req timestamps out.
+ * Enable all events *and* general purpose message
+ * timestamping
+ */
+ snap_type_sel = PTP_TCR_SNAPTYPSEL_1;
ptp_over_ipv4_udp = PTP_TCR_TSIPV4ENA;
ptp_over_ipv6_udp = PTP_TCR_TSIPV6ENA;
break;
@@ -633,10 +634,7 @@ static int stmmac_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr)
config.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT;
ptp_v2 = PTP_TCR_TSVER2ENA;
/* take time stamp for all event messages */
- if (xmac)
- snap_type_sel = PTP_GMAC4_TCR_SNAPTYPSEL_1;
- else
- snap_type_sel = PTP_TCR_SNAPTYPSEL_1;
+ snap_type_sel = PTP_TCR_SNAPTYPSEL_1;
ptp_over_ipv4_udp = PTP_TCR_TSIPV4ENA;
ptp_over_ipv6_udp = PTP_TCR_TSIPV6ENA;
@@ -669,12 +667,7 @@ static int stmmac_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr)
/* PTP v2/802.AS1 any layer, any kind of event packet */
config.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
ptp_v2 = PTP_TCR_TSVER2ENA;
- /* take time stamp for all event messages */
- if (xmac)
- snap_type_sel = PTP_GMAC4_TCR_SNAPTYPSEL_1;
- else
- snap_type_sel = PTP_TCR_SNAPTYPSEL_1;
-
+ snap_type_sel = PTP_TCR_SNAPTYPSEL_1;
ptp_over_ipv4_udp = PTP_TCR_TSIPV4ENA;
ptp_over_ipv6_udp = PTP_TCR_TSIPV6ENA;
ptp_over_ethernet = PTP_TCR_TSIPENA;
@@ -765,8 +758,31 @@ static int stmmac_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr)
(u32)now.tv_sec, now.tv_nsec);
}
+ memcpy(&priv->tstamp_config, &config, sizeof(config));
+
return copy_to_user(ifr->ifr_data, &config,
- sizeof(struct hwtstamp_config)) ? -EFAULT : 0;
+ sizeof(config)) ? -EFAULT : 0;
+}
+
+/**
+ * stmmac_hwtstamp_get - read hardware timestamping.
+ * @dev: device pointer.
+ * @ifr: An IOCTL specific structure, that can contain a pointer to
+ * a proprietary structure used to pass information to the driver.
+ * Description:
+ * This function obtain the current hardware timestamping settings
+ as requested.
+ */
+static int stmmac_hwtstamp_get(struct net_device *dev, struct ifreq *ifr)
+{
+ struct stmmac_priv *priv = netdev_priv(dev);
+ struct hwtstamp_config *config = &priv->tstamp_config;
+
+ if (!(priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp))
+ return -EOPNOTSUPP;
+
+ return copy_to_user(ifr->ifr_data, config,
+ sizeof(*config)) ? -EFAULT : 0;
}
/**
@@ -3776,7 +3792,10 @@ static int stmmac_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
ret = phy_mii_ioctl(dev->phydev, rq, cmd);
break;
case SIOCSHWTSTAMP:
- ret = stmmac_hwtstamp_ioctl(dev, rq);
+ ret = stmmac_hwtstamp_set(dev, rq);
+ break;
+ case SIOCGHWTSTAMP:
+ ret = stmmac_hwtstamp_get(dev, rq);
break;
default:
break;