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474 Commits (776c88a13c2005bff3d6364cb92ef36b849d13de)

Author SHA1 Message Date
Richard Cochran 87e61f9770 Let the clock servo know about the expected time stamp quality. 
If software time stamping is to be used, then the servo will want to
have appropriate filtering.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-12-13 04:57:28 +01:00
Richard Cochran 01691df47b Add a bunch more documentation. 
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-27 14:24:03 +01:00
Richard Cochran 429c126b58 Select the system clock whenever legacy hardware time stamps are used. 
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-27 14:24:03 +01:00
Richard Cochran 56a5adc1cc Smooth the path delay estimate with a moving average. 
This is really just a first attempt using a hard coded length. Probably
it will be necessary to let the length be configurable and/or adaptable.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-27 14:24:03 +01:00
Richard Cochran 68aea3058c Use the timeout table for the delay request messages. 
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-27 14:24:03 +01:00
Richard Cochran 1d6737b75c Add a time out table for delay requests. 
We can pre-compute a table of suitable values in order to simplify the
run time random delay selection.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-22 05:40:50 +01:00
Richard Cochran 2fd7a1c18f Use the correct slave-only clock class. 
If we are going to be slave-only, then we should also advertise the
correct clock class.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-20 18:53:38 +01:00
Richard Cochran 5f7facdc63 Bind transmitted packets to the port's network interface. 
Even though the MCAST_JOIN_GROUP socket option includes the interface
index, this applies to the received packets only. To bind the outgoing
packets to a particular interface, the IP_MULTICAST_IF option is needed.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-20 18:31:33 +01:00
Richard Cochran ebd353aff6 Link it all together, but in slave-only mode. 
Since the master implementation is still lacking, we will just keep
the slave-only flag hard coded for now.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-13 12:39:49 +01:00
Richard Cochran dae76b951a Implement the port layer. 
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-13 08:41:05 +01:00
Richard Cochran 49cd10e678 Implement the PTP clock. 
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-12 18:59:13 +01:00
Richard Cochran 5b8fa684ae phc: Add a method to query the maximum adjustment. 
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-12 18:58:59 +01:00
Richard Cochran 150897669e Add the main program. 
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-12 17:41:20 +01:00
Richard Cochran 2a8711a125 Fix a misplaced doxygen comment. 
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-12 17:35:14 +01:00
Richard Cochran fc378711d8 Add an abstract time value type. 
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-12 13:58:28 +01:00
Richard Cochran 5c010351c0 Add a modular clock servo interface with a PI controller. 
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-12 12:31:18 +01:00
Richard Cochran edcb731cc2 Add a message layer. 
Note that only some of the message types are implemented.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-06 09:02:57 +01:00
Richard Cochran 60f3a85463 Add transport over UDP IPv4. 
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-06 08:16:19 +01:00
Richard Cochran e930bc4e11 Add utility functions for obtaining human readable strings. 
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-06 07:37:06 +01:00
Richard Cochran c9a15e6094 Add the best master clock algorithm. 
This commit also introduces clock and port objects, but only with the
minimal interface needed by the BMC.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-04 19:20:23 +01:00
Richard Cochran f5ef4a3d3d Add the state machine. 
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-04 18:28:29 +01:00
Richard Cochran bb1f18d87b Add functions for logging messages in kernel style. 
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-01 18:12:09 +01:00
Richard Cochran 11e0446c0e Add code to open and close PHC devices. 
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-01 18:00:16 +01:00
Richard Cochran af380e8617 Add the license, a readme, and some header files. 
This commit gets the project off to a good start. The header files provide
some basic data types and definitions.

The README file will most probably grow over time.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
 2011-11-01 17:39:14 +01:00