[E1000-devel] [PATCH V3 net-next 05/28] gianfar: Support the get_ts_info ethtool method.

[Richard Cochran]

Signed-off-by: Richard Cochran <richardcoch...@gmail.com>
---
 drivers/net/ethernet/freescale/gianfar.h         |    3 ++
 drivers/net/ethernet/freescale/gianfar_ethtool.c |   29 ++++++++++++++++++++++
 drivers/net/ethernet/freescale/gianfar_ptp.c     |    2 +
 3 files changed, 34 insertions(+), 0 deletions(-)

diff --git a/drivers/net/ethernet/freescale/gianfar.h 
b/drivers/net/ethernet/freescale/gianfar.h
index 4c9f8d4..2136c7f 100644
--- a/drivers/net/ethernet/freescale/gianfar.h
+++ b/drivers/net/ethernet/freescale/gianfar.h
@@ -1210,4 +1210,7 @@ struct filer_table {
        struct gfar_filer_entry fe[MAX_FILER_CACHE_IDX + 20];
 };
 
+/* The gianfar_ptp module will set this variable */
+extern int gfar_phc_index;
+
 #endif /* __GIANFAR_H */
diff --git a/drivers/net/ethernet/freescale/gianfar_ethtool.c 
b/drivers/net/ethernet/freescale/gianfar_ethtool.c
index 8d74efd..27f49c7 100644
--- a/drivers/net/ethernet/freescale/gianfar_ethtool.c
+++ b/drivers/net/ethernet/freescale/gianfar_ethtool.c
@@ -1739,6 +1739,34 @@ static int gfar_get_nfc(struct net_device *dev, struct 
ethtool_rxnfc *cmd,
        return ret;
 }
 
+int gfar_phc_index = -1;
+
+static int gfar_get_ts_info(struct net_device *dev,
+                           struct ethtool_ts_info *info)
+{
+       struct gfar_private *priv = netdev_priv(dev);
+
+       if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER)) {
+               info->so_timestamping =
+                       SOF_TIMESTAMPING_RX_SOFTWARE |
+                       SOF_TIMESTAMPING_SOFTWARE;
+               info->phc_index = -1;
+               return 0;
+       }
+       info->so_timestamping =
+               SOF_TIMESTAMPING_TX_HARDWARE |
+               SOF_TIMESTAMPING_RX_HARDWARE |
+               SOF_TIMESTAMPING_RAW_HARDWARE;
+       info->phc_index = gfar_phc_index;
+       info->tx_types =
+               (1 << HWTSTAMP_TX_OFF) |
+               (1 << HWTSTAMP_TX_ON);
+       info->rx_filters =
+               (1 << HWTSTAMP_FILTER_NONE) |
+               (1 << HWTSTAMP_FILTER_ALL);
+       return 0;
+}
+
 const struct ethtool_ops gfar_ethtool_ops = {
        .get_settings = gfar_gsettings,
        .set_settings = gfar_ssettings,
@@ -1761,4 +1789,5 @@ const struct ethtool_ops gfar_ethtool_ops = {
 #endif
        .set_rxnfc = gfar_set_nfc,
        .get_rxnfc = gfar_get_nfc,
+       .get_ts_info = gfar_get_ts_info,
 };
diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c 
b/drivers/net/ethernet/freescale/gianfar_ptp.c
index 5fd620b..c08e5d4 100644
--- a/drivers/net/ethernet/freescale/gianfar_ptp.c
+++ b/drivers/net/ethernet/freescale/gianfar_ptp.c
@@ -515,6 +515,7 @@ static int gianfar_ptp_probe(struct platform_device *dev)
                err = PTR_ERR(etsects->clock);
                goto no_clock;
        }
+       gfar_phc_clock = ptp_clock_index(etsects->clock);
 
        dev_set_drvdata(&dev->dev, etsects);
 
@@ -538,6 +539,7 @@ static int gianfar_ptp_remove(struct platform_device *dev)
        gfar_write(&etsects->regs->tmr_temask, 0);
        gfar_write(&etsects->regs->tmr_ctrl,   0);
 
+       gfar_phc_clock = -1;
        ptp_clock_unregister(etsects->clock);
        iounmap(etsects->regs);
        release_resource(etsects->rsrc);
-- 
1.7.2.5


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