ethtool: provide timestamping information with TSINFO_GET request

Implement TSINFO_GET request to get timestamping information for a network
device. This is traditionally available via ETHTOOL_GET_TS_INFO ioctl
request.

Move part of ethtool_get_ts_info() into common.c so that ioctl and netlink
code use the same logic to get timestamping information from the device.

v3: use "TSINFO" rather than "TIMESTAMP", suggested by Richard Cochran

Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michal Kubecek
2020-03-28 00:01:58 +01:00
committed by David S. Miller
parent f76510b458
commit 5b071c59ed
9 changed files with 225 additions and 21 deletions

View File

@@ -38,6 +38,7 @@ enum {
ETHTOOL_MSG_PAUSE_SET,
ETHTOOL_MSG_EEE_GET,
ETHTOOL_MSG_EEE_SET,
ETHTOOL_MSG_TSINFO_GET,
/* add new constants above here */
__ETHTOOL_MSG_USER_CNT,
@@ -72,6 +73,7 @@ enum {
ETHTOOL_MSG_PAUSE_NTF,
ETHTOOL_MSG_EEE_GET_REPLY,
ETHTOOL_MSG_EEE_NTF,
ETHTOOL_MSG_TSINFO_GET_REPLY,
/* add new constants above here */
__ETHTOOL_MSG_KERNEL_CNT,
@@ -386,6 +388,21 @@ enum {
ETHTOOL_A_EEE_MAX = (__ETHTOOL_A_EEE_CNT - 1)
};
/* TSINFO */
enum {
ETHTOOL_A_TSINFO_UNSPEC,
ETHTOOL_A_TSINFO_HEADER, /* nest - _A_HEADER_* */
ETHTOOL_A_TSINFO_TIMESTAMPING, /* bitset */
ETHTOOL_A_TSINFO_TX_TYPES, /* bitset */
ETHTOOL_A_TSINFO_RX_FILTERS, /* bitset */
ETHTOOL_A_TSINFO_PHC_INDEX, /* u32 */
/* add new constants above here */
__ETHTOOL_A_TSINFO_CNT,
ETHTOOL_A_TSINFO_MAX = (__ETHTOOL_A_TSINFO_CNT - 1)
};
/* generic netlink info */
#define ETHTOOL_GENL_NAME "ethtool"
#define ETHTOOL_GENL_VERSION 1