32d461d4ed
Add a transport over raw Ethernet packets.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-03-18 09:31:21 +01:00
5dbca8a6cd
Add a header defining the Ethernet header and MAC addresses.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-03-18 09:31:21 +01:00
7d54d444f5
Leave some headroom in the message buffers.
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This room will be used by the Layer 2 protocols.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-03-18 09:31:21 +01:00
aa142c5240
Improve error reporting on receive path.
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In some error cases, no message is logged. Now we always complain loudly
when an error occurs.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-03-18 09:31:21 +01:00
9d4d68e667
Add missing release method to the UDPv4 transport.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-03-17 17:30:21 +01:00
319aae1403
Move some sharable socket code into its own source file.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-03-17 17:30:21 +01:00
9c9dc35f13
Clean up dynamic fields when closing a port.
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In the course of development we added more and more allocations into the
port code without freeing them on close. We do not yet call the close
function, so there was never an issue. Once we start to reset the ports,
to clear faults for example, then we will need this.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-03-13 09:11:01 +01:00
29463cd306
Make the transport layer more opaque.
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Although the UDP/IPv4 layer does not need any state per instance (other
than the two file descriptors), the raw Ethernet layer will need this.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-03-13 08:28:37 +01:00
7421e74aca
Clear out saved time stamps after setting the clock.
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When we create a discontinuity in the clock time, we must avoid mixing
local time stamps from before and after the jump.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-03-11 10:58:24 +01:00
2fcac204de
Do not calculate the path delay without valid sync time stamps.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-03-11 10:52:01 +01:00
e38488ae48
Add time value operations to clear to zero and test for zero.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-03-11 10:46:45 +01:00
5f0c034494
Throw an error at the port level on missing transmit time stamps.
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We always wait for the transmit time stamp after sending an event message.
Thus a missing time stamp is clearly a fault, even if the hardware can
only handle one time stamp at a time.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-03-11 10:04:42 +01:00
51162c01af
Warn loudly whenever event messages are missing time stamps.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-03-11 09:53:28 +01:00
a9e88a0a49
Fix segfault after missing transmit time stamp.
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If the networking stack fails to provide a transmit time stamp, then we
might feed uninitialized stack data to the CMSG(3) macros. This can result
in a segfault or other badness.
The fix is to simply clear the control buffer in advance.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-03-11 09:45:23 +01:00
150da0cba9
Remove silly and incorrect error message.
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Commit 32133050
2012-03-04 11:33:22 +01:00
eb5b7b1e60
Verbosely identify the port and message after network errors.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-03-04 08:36:37 +01:00
321330501f
Be more verbose about errors on the receive path.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-03-04 08:23:40 +01:00
6daff667c5
Initialize the time properties data set.
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We can reuse the same function that sets the data sets in case of
becoming grand master.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-02-26 18:03:16 +01:00
d6ce3fbb3d
Fix compilation for uclinux toolchain lacking <sys/timerfd.h>
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-02-19 18:26:54 +01:00
4d0b2e5001
Clean up all of the binaries for the 'distclean' target.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-02-19 18:26:38 +01:00
4b10792002
Add a utility program to set driver level time stamping policy.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-24 19:22:13 +01:00
af3cbb5fbd
Add a tool to synchronize the system time from a PTP hardware clock.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-24 19:12:57 +01:00
43bd313eb1
Go ahead and use a negative path delay estimate.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-21 15:24:15 +01:00
6d73cea86a
Implement timeouts with log seconds less than zero.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-09 10:04:43 +01:00
c0ebf12f79
Add command line options to control the logging destination.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-09 10:04:43 +01:00
86ddff4a0a
Print messages to the syslog by default.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-09 10:04:43 +01:00
222c9bb62b
Fix the port finite state machine.
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The state machine needs to know whether a new master has just been
selected in order to choose between the slave and uncalibrated states.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:56 +01:00
c2fad7bd51
Fix the BMC state decision algorithm.
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We failed to make the distinction between plain old "better" and
"better by topology," but the BMC algorithm really counts on this.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:56 +01:00
807ec32c96
Fix wrong result from the best master clock algorithm.
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The BMC should never return 'faulty', and I don't know what I was thinking
here, so let's just fix it.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:56 +01:00
335100c1a6
Differentiate the BMC related logging from the synchronization logging.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:56 +01:00
a442a928f8
Fix typo in the initial priority field of the parent data set.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:56 +01:00
ba6cf8b767
uClinux: provide missing system calls.
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The timerfd calls are missing from Sourcery CodeBench Lite 2011.09-23.
We can remove this code once these calls are properly integrated into a
current tool chain.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:56 +01:00
59163df8b1
Make use of the configuration file for the port data set.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:55 +01:00
1092c4237b
Make use of the configuration file for the default data set.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:55 +01:00
ec5e783e84
Add code to read a configuration file.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:55 +01:00
32ee558ef8
Add a command line option to set the message level.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:55 +01:00
f135133a88
Print the synchronization statistics at the information level.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:55 +01:00
0536aa7413
Issue a warning when the path delay turns out negative.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:55 +01:00
e47549e73f
Ignore messages from ourselves and from the wrong domain.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:55 +01:00
851675833a
Do not print debug messages by default.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:55 +01:00
95185673f5
Fix message leak in the port event handler.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:55 +01:00
50b82c200d
Do not treat signaling and management messages as errors.
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Instead we just ignore them for now.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:55 +01:00
a736b0c2ff
Make the slave only mode a non-default option.
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Now that we have the master code in place, there is no longer any need
to restrict ourselves.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:55 +01:00
e2c02e49c7
Implement the master sync timer and message.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:55 +01:00
39f5b2c449
Fix delay response message format.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:54 +01:00
e96d26f13f
Group the sequence numbers together in one structure.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:54 +01:00
72703ba36a
Implement the master announce timer and message.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:54 +01:00
7dbdf2985c
Provide methods to obtain a clock's parent and time properties data sets.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:54 +01:00
da17f75359
Implement the port master qualification timer.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:54 +01:00
62afef45db
Clear all timers when changing port state.
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Signed-off-by: Richard Cochran <richardcochran@gmail.com>
2012-01-07 08:07:54 +01:00
Richard Cochran