[Linuxptp-devel] [PATCH v3 0/6] Common Mean Link Delay Service (CMLDS)

[Richard C. <ric...@gm...>]

The CMLDS lets one peer-to-peer delay measurement be shared among
multiple PTP stack instances running on the same host.

To try it, connect the Ethernet ports of two hosts directly:

On one host run CMLDS setup:

   ptp4l -mqf CMLDS_server.cfg
   ptp4l -mqf CMLDS_client.cfg

and on the other host run a normal P2P stack:

   ptp4l -mqi eth1 -P --ignore_transport_specific=1

(The ignore_transport_specific is needed because of the extremely
silly way the majorSdoId aka transportSpecific field is specified in
1588.)


Changes in v3
~~~~~~~~~~~~~
- Make delay timer a) actually fire, and b) do the right thing.
- Add COMMOM_P2P to the list of delay mechanisms in the man page.

Changes in v2
~~~~~~~~~~~~~
- Added timer to renew push subscription and detect missing server.
- Addressed Andrew and Kishen's review comments.
- Added example configuration files.


Richard Cochran (6):
  interface: Add an optional remote address for use by the UDS
    transport.
  pmc/uds: Configure the remote server address using the interface API.
  Introduce the Common Mean Link Delay Information TLV.
  Add a push notification for the CMLDS TLV.
  Implement the COMMON_P2P delay mechanism.
  Add example Common Mean Link Delay Service configuration files.

 clock.c                  |   5 +-
 config.c                 |   8 +-
 configs/CMLDS_client.cfg |  10 ++
 configs/CMLDS_server.cfg |  16 ++++
 configs/default.cfg      |   5 +
 dm.h                     |   3 +
 fd.h                     |   1 +
 interface.c              |  12 ++-
 interface.h              |  10 +-
 makefile                 |   4 +-
 notification.h           |   1 +
 pmc.c                    |  23 ++++-
 pmc_agent.c              |   3 +-
 pmc_common.c             |  23 +++--
 pmc_common.h             |   6 +-
 port.c                   | 197 +++++++++++++++++++++++++++++++++++++--
 port.h                   |   2 +
 port_private.h           |   7 ++
 ptp4l.8                  |  39 +++++++-
 tlv.c                    |  16 ++++
 tlv.h                    |   7 ++
 tz2alt.c                 |   3 +-
 uds.c                    |   6 +-
 23 files changed, 368 insertions(+), 39 deletions(-)
 create mode 100644 configs/CMLDS_client.cfg
 create mode 100644 configs/CMLDS_server.cfg

-- 
2.39.2