unix: add IoctlGetEthtoolTsInfo on Linux

The function fetches ethtool timestamping and PHC association for a
network interface. Its primary usage is to query the mapping between
the interface and its corresponding PTP clock number in /dev/ptp𝑛.

Change-Id: Id09466b3b43056c628593d4d2e05d77ec8d8082b
GitHub-Last-Rev: 3743a3a650
GitHub-Pull-Request: golang/sys#222
Reviewed-on: https://go-review.googlesource.com/c/sys/+/619335
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
This commit is contained in:
Yaroslav Kolomiiets
2024-10-11 00:30:15 +00:00
committed by Gopher Robot
parent fe162bad74
commit e5eee7e480
4 changed files with 65 additions and 0 deletions

View File

@@ -58,6 +58,21 @@ func IoctlGetEthtoolDrvinfo(fd int, ifname string) (*EthtoolDrvinfo, error) {
return &value, err
}
// IoctlGetEthtoolTsInfo fetches ethtool timestamping and PHC
// association for the network device specified by ifname.
func IoctlGetEthtoolTsInfo(fd int, ifname string) (*EthtoolTsInfo, error) {
ifr, err := NewIfreq(ifname)
if err != nil {
return nil, err
}
value := EthtoolTsInfo{Cmd: ETHTOOL_GET_TS_INFO}
ifrd := ifr.withData(unsafe.Pointer(&value))
err = ioctlIfreqData(fd, SIOCETHTOOL, &ifrd)
return &value, err
}
// IoctlGetWatchdogInfo fetches information about a watchdog device from the
// Linux watchdog API. For more information, see:
// https://www.kernel.org/doc/html/latest/watchdog/watchdog-api.html.