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ethtool: provide timestamping information with TSINFO_GET request

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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
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8
net/ethtool/netlink.c
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@@ -230,6 +230,7 @@ ethnl_default_requests[__ETHTOOL_MSG_USER_CNT] = {
[ETHTOOL_MSG_COALESCE_GET] = &ethnl_coalesce_request_ops,
[ETHTOOL_MSG_PAUSE_GET] = &ethnl_pause_request_ops,
[ETHTOOL_MSG_EEE_GET] = &ethnl_eee_request_ops,
[ETHTOOL_MSG_TSINFO_GET] = &ethnl_tsinfo_request_ops,
};
static struct ethnl_dump_ctx *ethnl_dump_context(struct netlink_callback *cb)
@@ -831,6 +832,13 @@ static const struct genl_ops ethtool_genl_ops[] = {
.flags = GENL_UNS_ADMIN_PERM,
.doit = ethnl_set_eee,
},
{
.cmd = ETHTOOL_MSG_TSINFO_GET,
.doit = ethnl_default_doit,
.start = ethnl_default_start,
.dumpit = ethnl_default_dumpit,
.done = ethnl_default_done,
},
};
static const struct genl_multicast_group ethtool_nl_mcgrps[] = {