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ethtool: add a new command for getting PHC virtual clocks

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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>
This commit is contained in:
Yangbo Lu
2021-06-30 16:11:56 +08:00
committed by David S. Miller
parent acb288e804
commit c156174a67
8 changed files with 167 additions and 1 deletions
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15
include/uapi/linux/ethtool_netlink.h
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@@ -46,6 +46,7 @@ enum {
ETHTOOL_MSG_FEC_SET,
ETHTOOL_MSG_MODULE_EEPROM_GET,
ETHTOOL_MSG_STATS_GET,
ETHTOOL_MSG_PHC_VCLOCKS_GET,
/* add new constants above here */
__ETHTOOL_MSG_USER_CNT,
@@ -88,6 +89,7 @@ enum {
ETHTOOL_MSG_FEC_NTF,
ETHTOOL_MSG_MODULE_EEPROM_GET_REPLY,
ETHTOOL_MSG_STATS_GET_REPLY,
ETHTOOL_MSG_PHC_VCLOCKS_GET_REPLY,
/* add new constants above here */
__ETHTOOL_MSG_KERNEL_CNT,
@@ -440,6 +442,19 @@ enum {
ETHTOOL_A_TSINFO_MAX = (__ETHTOOL_A_TSINFO_CNT - 1)
};
/* PHC VCLOCKS */
enum {
ETHTOOL_A_PHC_VCLOCKS_UNSPEC,
ETHTOOL_A_PHC_VCLOCKS_HEADER, /* nest - _A_HEADER_* */
ETHTOOL_A_PHC_VCLOCKS_NUM, /* u32 */
ETHTOOL_A_PHC_VCLOCKS_INDEX, /* array, s32 */
/* add new constants above here */
__ETHTOOL_A_PHC_VCLOCKS_CNT,
ETHTOOL_A_PHC_VCLOCKS_MAX = (__ETHTOOL_A_PHC_VCLOCKS_CNT - 1)
};
/* CABLE TEST */
enum {