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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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2
net/ethtool/netlink.h
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@@ -347,6 +347,7 @@ extern const struct ethnl_request_ops ethnl_tsinfo_request_ops;
extern const struct ethnl_request_ops ethnl_fec_request_ops;
extern const struct ethnl_request_ops ethnl_module_eeprom_request_ops;
extern const struct ethnl_request_ops ethnl_stats_request_ops;
extern const struct ethnl_request_ops ethnl_phc_vclocks_request_ops;
extern const struct nla_policy ethnl_header_policy[ETHTOOL_A_HEADER_FLAGS + 1];
extern const struct nla_policy ethnl_header_policy_stats[ETHTOOL_A_HEADER_FLAGS + 1];
@@ -382,6 +383,7 @@ extern const struct nla_policy ethnl_fec_get_policy[ETHTOOL_A_FEC_HEADER + 1];
extern const struct nla_policy ethnl_fec_set_policy[ETHTOOL_A_FEC_AUTO + 1];
extern const struct nla_policy ethnl_module_eeprom_get_policy[ETHTOOL_A_MODULE_EEPROM_I2C_ADDRESS + 1];
extern const struct nla_policy ethnl_stats_get_policy[ETHTOOL_A_STATS_GROUPS + 1];
extern const struct nla_policy ethnl_phc_vclocks_get_policy[ETHTOOL_A_PHC_VCLOCKS_HEADER + 1];
int ethnl_set_linkinfo(struct sk_buff *skb, struct genl_info *info);
int ethnl_set_linkmodes(struct sk_buff *skb, struct genl_info *info);