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-rw-r--r--net/8021q/vlan_dev.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index d6524b2b206a..376805005cc7 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -26,6 +26,7 @@
#include <linux/slab.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
+#include <linux/net_tstamp.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <net/arp.h>
@@ -669,6 +670,23 @@ static void vlan_ethtool_get_drvinfo(struct net_device *dev,
strlcpy(info->fw_version, "N/A", sizeof(info->fw_version));
}
+static int vlan_ethtool_get_ts_info(struct net_device *dev,
+ struct ethtool_ts_info *info)
+{
+ const struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
+ const struct ethtool_ops *ops = vlan->real_dev->ethtool_ops;
+
+ if (ops->get_ts_info) {
+ return ops->get_ts_info(vlan->real_dev, info);
+ } else {
+ info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
+ SOF_TIMESTAMPING_SOFTWARE;
+ info->phc_index = -1;
+ }
+
+ return 0;
+}
+
static struct rtnl_link_stats64 *vlan_dev_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
{
struct vlan_pcpu_stats *p;
@@ -752,6 +770,7 @@ static const struct ethtool_ops vlan_ethtool_ops = {
.get_settings = vlan_ethtool_get_settings,
.get_drvinfo = vlan_ethtool_get_drvinfo,
.get_link = ethtool_op_get_link,
+ .get_ts_info = vlan_ethtool_get_ts_info,
};
static const struct net_device_ops vlan_netdev_ops = {

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