diff options
| author | Yangbo Lu <yangbo.lu@nxp.com> | 2021-06-30 16:11:56 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-07-01 13:08:18 -0700 |
| commit | c156174a67070042d51d2c866146d3c934d5468c (patch) | |
| tree | cf965dceb36a44ea1b61da4c97c18d58163c9e34 /net/ethtool/common.c | |
| parent | acb288e8047b7569fbc9af6fa6e9405315345103 (diff) | |
ethtool: add a new command for getting PHC virtual clocks
Add an interface for getting PHC (PTP Hardware Clock)
virtual clocks, which are based on PHC physical clock
providing hardware timestamp to network packets.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ethtool/common.c')
| -rw-r--r-- | net/ethtool/common.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/net/ethtool/common.c b/net/ethtool/common.c index f9dcbad84788..798231b07676 100644 --- 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) |