Re: [Linuxptp-devel] [RFC v2 0/5] Adding support for AVnu Automotive Profile

[Patel, V. <ved...@in...>]

On Fri, 2018-08-17 at 23:50 -0400, Richard Cochran wrote:
> 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
> >   is to transition to PS_LISTENING and then unconditionally
> > transfer to
> >   PS_MASTER/PS_SLAVE. But, that seems more of an hack than what is
> > currently
> >   being done. Any other alternatives?
> Maybe we can reset the delay timer unconditionally when entering
> SLAVE
> or MASTER.  It will cause a minor glitch in the delay timing, but
> will
> it matter?
> 
This will just mean that the interval between path delay calculation
might be atmost 2* delay_interval when you calculate delay the first
time after transition to master/slave state. I don't any immediate
issue with that. Will have to run some tests and see what really
happens.

Thanks,
Vedang
> Thanks,
> Richard