Some commercial 802.1AS switches do not feel obliged to set the two step
flag. When we try to synchronize to their apparent one step sync messages,
nothing good happens. This commit adds a global option to work around the
issue.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Some of the time stamping hardware out there only recognizes layer 2
packets, and these do not work without changing the receive filter in
the SIOCSHWTSTAMP request.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
This change will make it easier to extend the configuration file contents
to include arbitrary new data structures.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>