this patch changes sk_interface_phc to sk_get_ts_info, by allowing the function
to store all the data returned by Ethtool's get_ts_info IOCTL in a struct. A new
struct "sk_ts_info" contains the same data as well as a field for specifying the
structure as valid (in order to support old kernels without the IOCTL). The
valid field should be set only when the IOCTL successfully populates the fields.
A follow-on patch will add new functionality possible because of these
changes. This patch only updates the programs which use the call to perform the
minimum they already do, using the new interface.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Now that the code automatically falls back to transport-specific time
stamping, this option is no longer needed.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Acked-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Jiri Benc <jbenc@redhat.com>
If the kernel supports the ioctl, but the driver does not (like igb in
kernel version 3.5), then ptp4l will incorrectly choose the system clock.
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>
If the new ethtool operation is supported, then use it to verify that the PHC
selected by the user is correct. If the user doesn't specify a PHC and ethtool
is supported then automatically select the PHC device.
If the user specifies a PHC device, and the ethtool operation is suppported,
automatically confirm that the PHC device requested is correct. This check is
performed for all ports, in order to verify that a boundary clock setup is
valid.
The check for PHC device validity is not done in the transport because the
only thing necessary for performing the check is the port name. Handled this
in the port_open code instead.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Richard Cochran
Jacob Keller