On Tue, Aug 14, 2018 at 02:56:44PM +0200, Michael Walle wrote:
> AVnu specifies a measurement method to remotely measure the clock
> quality. Basically, this method sends Sync and/or Follow-up messages on
> a slave towards the master, which can capture them and measure the
> quality.
We already ha
Am 17. August 2018 18:07:30 MESZ schrieb Richard Cochran
:
>On Tue, Aug 14, 2018 at 02:56:44PM +0200, Michael Walle wrote:
>> AVnu specifies a measurement method to remotely measure the clock
>> quality. Basically, this method sends Sync and/or Follow-up messages
>on
>> a slave towards the master,
On Sat, Aug 18, 2018 at 01:08:27AM +0200, Michael Walle wrote:
> calnex and ixia (and i guess spirent too) support reverse sync to measure the
> clock accuracy.
Those two have showed zero interest in helping linuxptp. Why should
we help them?
If this reverse sync thingy makes it into 1558 v2.1
On Thu, Aug 16, 2018 at 10:42:10AM -0700, Vedang Patel wrote:
>
> Changes in V2:
> ~~~
This looks a lot better, thanks! I'll have a few small comments on
the patches...
> Some Opens:
> - Currently, we are using masterOnly (a per-port config option) and slaveOnly
> (a global config o
On Fri, Aug 17, 2018 at 07:39:15PM -0400, Richard Cochran wrote:
> If this reverse sync thingy makes it into 1558 v2.1 or the next
> 802.1-AS revision, then we can consider supporting it.
BTW, is this reverse sync present in the current drafts for either
standard?
I don't recall seeing it, but if
On Thu, Aug 16, 2018 at 10:42:10AM -0700, Vedang Patel wrote:
> - In port_p2p_transition(), we are setting up the delay timer when BMCA is set
> as ‘noop’. Usually it is initialized then the device transitions to
> PS_LISTENING. But, we are skipping the LISTENING state. Another alternative
>
On Thu, Aug 16, 2018 at 10:42:10AM -0700, Vedang Patel wrote:
> - In port_p2p_transition(), we are setting up the delay timer when BMCA is set
> as ‘noop’. Usually it is initialized then the device transitions to
> PS_LISTENING. But, we are skipping the LISTENING state. Another alternative
>
On Thu, Aug 16, 2018 at 10:42:12AM -0700, Vedang Patel wrote:
> diff --git a/fsm.c b/fsm.c
> index ce6efad30937..a0c98891e39f 100644
> --- a/fsm.c
> +++ b/fsm.c
> @@ -335,3 +335,103 @@ enum port_state ptp_slave_fsm(enum port_state state,
> enum fsm_event event,
>
> return next;
> }
> +
>
On Thu, Aug 16, 2018 at 10:42:14AM -0700, Vedang Patel wrote:
> +static int check_source_identity(struct port *p, struct ptp_message *m)
> +{
> + struct PortIdentity master;
> +
> + if (!p->ignore_source_id) {
> + master = clock_parent_identity(p->clock);
> + if (!p
On Thu, Aug 16, 2018 at 10:42:15AM -0700, Vedang Patel wrote:
> create mode 100644 configs/AVnu-master.cfg
> create mode 100644 configs/AVnu-slave.cfg
IIRC, AVnu had some earlier best practice paper about using 802.1-AS.
So maybe these file names should include the word "automotive" in
them.
Ac
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