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authorYangbo Lu <yangbo.lu@nxp.com>2018-06-25 20:37:16 +0800
committerDavid S. Miller <davem@davemloft.net>2018-06-26 22:15:14 +0900
commit17ae0b0ee9db4d553df186cfa2a92e0ac0225c44 (patch)
tree94ac203a6ed428824604fea7a86f2b3dd4094d21 /drivers/net/ethernet/freescale/dpaa
parent4664856e9ca2e5061718d639bac2741464cf3d23 (diff)
dpaa_eth: add the get_ts_info interface for ethtool
Added the get_ts_info interface for ethtool to check the timestamping capability. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Acked-by: Richard Cochran <richardcochran@gmail.com> Acked-by: Madalin Bucur <madalin.bucur@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale/dpaa')
-rw-r--r--drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
index 2f933b6b2f4e..3184c8f7cdd0 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
@@ -32,6 +32,9 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/string.h>
+#include <linux/of_platform.h>
+#include <linux/net_tstamp.h>
+#include <linux/fsl/ptp_qoriq.h>
#include "dpaa_eth.h"
#include "mac.h"
@@ -515,6 +518,41 @@ static int dpaa_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
return ret;
}
+static int dpaa_get_ts_info(struct net_device *net_dev,
+ struct ethtool_ts_info *info)
+{
+ struct device *dev = net_dev->dev.parent;
+ struct device_node *mac_node = dev->of_node;
+ struct device_node *fman_node = NULL, *ptp_node = NULL;
+ struct platform_device *ptp_dev = NULL;
+ struct qoriq_ptp *ptp = NULL;
+
+ info->phc_index = -1;
+
+ fman_node = of_get_parent(mac_node);
+ if (fman_node)
+ ptp_node = of_parse_phandle(fman_node, "ptimer-handle", 0);
+
+ if (ptp_node)
+ ptp_dev = of_find_device_by_node(ptp_node);
+
+ if (ptp_dev)
+ ptp = platform_get_drvdata(ptp_dev);
+
+ if (ptp)
+ info->phc_index = ptp->phc_index;
+
+ info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
+ SOF_TIMESTAMPING_RX_HARDWARE |
+ SOF_TIMESTAMPING_RAW_HARDWARE;
+ 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 dpaa_ethtool_ops = {
.get_drvinfo = dpaa_get_drvinfo,
.get_msglevel = dpaa_get_msglevel,
@@ -530,4 +568,5 @@ const struct ethtool_ops dpaa_ethtool_ops = {
.set_link_ksettings = dpaa_set_link_ksettings,
.get_rxnfc = dpaa_get_rxnfc,
.set_rxnfc = dpaa_set_rxnfc,
+ .get_ts_info = dpaa_get_ts_info,
};