The draft Enterprise Profile [1] specifies a hybrid E2E delay mechanism,
where the delay response message is sent "in kind". That is, if the
request is unicast, then the response is also unicast. Apparently this
scheme is already in widespread use in some industries. Also, it makes
sense, because those messages are of no interest to the other slaves in
the PTP network.
Because of the address work already in place, in turns out that adding
this mode is almost trivial. This patch introduces an "hybrid_e2e" option
that enabled the new mode.
1. https://datatracker.ietf.org/doc/draft-ietf-tictoc-ptp-enterprise-profile
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
The raw Ethernet transport code invented its own way of storing the MAC
address into our "struct address" data structure. However, this private
format is incompatible with the sockaddr_ll returned from the networking
stack. This patch converts the code to use the proper format.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Even if the caller provides the destination address, still the port must
depend on the passed 'event' value for correct delivery.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Even if the caller provides the destination address, still the port must
depend on the passed 'event' value for correct delivery.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Buggy or mis-configured masters can place bogus logMessageInterval values
in their delay response messages. This patch places reasonable limits on
the range of values that we will accept.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
The logMessageInterval field has an improbable range from 2^-128 to 2^127
seconds. The extreme ends cause an integer overflow in the calculation
of the "foreign master time window". Buggy or mis-configured foreign
masters advertising extreme values will cause incorrect announce message
aging.
This patch fixes the issue by adding thresholds for the bogus extremes.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Now that all of the legacy, open coded configuration fields are gone,
we can follow a normal create/destroy pattern for the configuration.
This patch add the new method and converts the programs to use it.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Now that all of the legacy parsing code is gone, there remain two
identical parsing functions. This patch removes them both and places
the common code at the original call site.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
This patch rearranges the guts of the main parsing loop to keep it
more within the 80th column. The logic has not been changed.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Global default values will be static strings, but values from the
configuration file will be dynamic, so the code remembers whether or it
should free the string when cleaning up.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Now we have debug messages in the configuration code. Therefore set up
the print levels immediately after parsing the command line and the file,
so that those messages have a chance to be seen.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
This conversion is not straightforward due to the fact that these options
can take a value of "ASAP" or a number. We check for the special ASAP
case in a helper function and leave the numbers to the generic code.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Richard Cochran