ethtool: add a new command for getting PHC virtual clocks

[platform/kernel/linux-starfive.git] / net / ethtool / common.c

diff --git a/net/ethtool/common.c b/net/ethtool/common.c
index f9dcbad..798231b 100644 (file)
--- a/net/ethtool/common.c
+++ b/net/ethtool/common.c
@@ -4,6 +4,7 @@
 #include <linux/net_tstamp.h>
 #include <linux/phy.h>
 #include <linux/rtnetlink.h>
+#include <linux/ptp_clock_kernel.h>
 
 #include "common.h"
 
@@ -554,6 +555,18 @@ int __ethtool_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
        return 0;
 }
 
+int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index)
+{
+       struct ethtool_ts_info info = { };
+       int num = 0;
+
+       if (!__ethtool_get_ts_info(dev, &info))
+               num = ptp_get_vclocks_index(info.phc_index, vclock_index);
+
+       return num;
+}
+EXPORT_SYMBOL(ethtool_get_phc_vclocks);
+
 const struct ethtool_phy_ops *ethtool_phy_ops;
 
 void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops)