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-rw-r--r--include/linux/ethtool.h1
-rw-r--r--net/core/ethtool.c11
2 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 1769714447b3..560a247bde2a 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -811,6 +811,7 @@ struct net_device;
/* Some generic methods drivers may use in their ethtool_ops */
u32 ethtool_op_get_link(struct net_device *dev);
+int ethtool_op_get_ts_info(struct net_device *dev, struct ethtool_ts_info *eti);
/**
* ethtool_rxfh_indir_default - get default value for RX flow hash indirection
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index a723b1321691..beacdd93cd8f 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -38,6 +38,17 @@ u32 ethtool_op_get_link(struct net_device *dev)
}
EXPORT_SYMBOL(ethtool_op_get_link);
+int ethtool_op_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
+{
+ info->so_timestamping =
+ SOF_TIMESTAMPING_TX_SOFTWARE |
+ SOF_TIMESTAMPING_RX_SOFTWARE |
+ SOF_TIMESTAMPING_SOFTWARE;
+ info->phc_index = -1;
+ return 0;
+}
+EXPORT_SYMBOL(ethtool_op_get_ts_info);
+
/* Handlers for each ethtool command */
#define ETHTOOL_DEV_FEATURE_WORDS ((NETDEV_FEATURE_COUNT + 31) / 32)