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authorBen Hutchings <bhutchings@solarflare.com>2013-11-18 23:02:44 +0000
committerBen Hutchings <bhutchings@solarflare.com>2013-11-21 17:17:37 +0000
commit1d5244d0e43b70565d3988a52c6461ee42d3927c (patch)
tree2b13a86ff74497e8c40d5445d4c1af8c8b3ee31b
parent7260899bde50cbe84bdf0a15b5642e2c3b03db32 (diff)
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fec: Implement the SIOCGHWTSTAMP ioctl
This is untested. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
-rw-r--r--drivers/net/ethernet/freescale/fec.h3
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c8
-rw-r--r--drivers/net/ethernet/freescale/fec_ptp.c16
3 files changed, 23 insertions, 4 deletions
diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h
index 0120217a16dd..3b8d6d19ff05 100644
--- a/drivers/net/ethernet/freescale/fec.h
+++ b/drivers/net/ethernet/freescale/fec.h
@@ -339,7 +339,8 @@ struct fec_enet_private {
void fec_ptp_init(struct platform_device *pdev);
void fec_ptp_start_cyclecounter(struct net_device *ndev);
-int fec_ptp_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd);
+int fec_ptp_set(struct net_device *ndev, struct ifreq *ifr);
+int fec_ptp_get(struct net_device *ndev, struct ifreq *ifr);
/****************************************************************************/
#endif /* FEC_H */
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 4cbebf3d80eb..40e953e81eb5 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1684,8 +1684,12 @@ static int fec_enet_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd)
if (!phydev)
return -ENODEV;
- if (cmd == SIOCSHWTSTAMP && fep->bufdesc_ex)
- return fec_ptp_ioctl(ndev, rq, cmd);
+ if (fep->bufdesc_ex) {
+ if (cmd == SIOCSHWTSTAMP)
+ return fec_ptp_set(ndev, rq);
+ if (cmd == SIOCGHWTSTAMP)
+ return fec_ptp_get(ndev, rq);
+ }
return phy_mii_ioctl(phydev, rq, cmd);
}
diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c
index 5007e4f9fff9..3a74ea48fd40 100644
--- a/drivers/net/ethernet/freescale/fec_ptp.c
+++ b/drivers/net/ethernet/freescale/fec_ptp.c
@@ -274,7 +274,7 @@ static int fec_ptp_enable(struct ptp_clock_info *ptp,
* @ifreq: ioctl data
* @cmd: particular ioctl requested
*/
-int fec_ptp_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd)
+int fec_ptp_set(struct net_device *ndev, struct ifreq *ifr)
{
struct fec_enet_private *fep = netdev_priv(ndev);
@@ -321,6 +321,20 @@ int fec_ptp_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd)
-EFAULT : 0;
}
+int fec_ptp_get(struct net_device *ndev, struct ifreq *ifr)
+{
+ struct fec_enet_private *fep = netdev_priv(ndev);
+ struct hwtstamp_config config;
+
+ config.flags = 0;
+ config.tx_type = fep->hwts_tx_en ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF;
+ config.rx_filter = (fep->hwts_rx_en ?
+ HWTSTAMP_FILTER_ALL : HWTSTAMP_FILTER_NONE);
+
+ return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ?
+ -EFAULT : 0;
+}
+
/**
* fec_time_keep - call timecounter_read every second to avoid timer overrun
* because ENET just support 32bit counter, will timeout in 4s