Re: [Linuxptp-users] E2E Protocol

[Hardik G. <har...@gm...>]

On Tue, Jan 17, 2017 at 6:59 PM, Richard Cochran <ric...@gm...>
wrote:

> On Tue, Jan 17, 2017 at 04:25:39PM +0800, Hardik Gohil wrote:
> > sorry for my mistake I have copied and pasted same message three times.
> > following are real time message
> >
> > ptp4l[2460.587]: port 1: received PDELAY_REQ without timestamp
> > ptp4l[2461.589]: port 1: received PDELAY_REQ without timestamp
> > ptp4l[2462.590]: port 1: received PDELAY_REQ without timestamp
> > ptp4l[2463.590]: port 1: received PDELAY_REQ without timestamp
> > ptp4l[2464.592]: port 1: received PDELAY_REQ without timestamp
> > ptp4l[2465.594]: port 1: received PDELAY_REQ without timestamp
> > ptp4l[2466.594]: port 1: received PDELAY_REQ without timestamp
> >
> > once I exit from application
> > [ 2506.471859] cpts: unable to obtain a time stamp
> > [ 2514.487888] cpts: event pool is empty
>
> The driver (or HW) is not providing time stamps on these messages.
>
> Does your device have both MACs active?  If so, check whether
> active_slave in the dts is correct.
>
 both MAC means eth0 and eth1 you mean ? yes they are active.

      compatible = "ti,cpsw";
                        ti,hwmods = "cpgmac0";
                        clocks = <&cpsw_125mhz_gclk>, <&cpsw_cpts_rft_clk>;
                        clock-names = "fck", "cpts";
                        cpdma_channels = <8>;
                        ale_entries = <1024>;
                        bd_ram_size = <0x2000>;
                        no_bd_ram = <0>;
                        rx_descs = <64>;
                        mac_control = <0x20>;
                        slaves = <2>;
                        active_slave = <0>;
                        cpts_clock_mult = <0x80000000>;
                        cpts_clock_shift = <29>;
                        reg = <0x4a100000 0x800
                               0x4a101200 0x100>;
                        #address-cells = <1>;
                        #size-cells = <1



>
> IIRC, the cpts does work with P2P.  Which kernel version are you
> using?  Is your kernel a mainline kernel, or a vendor kernel?
>

I am using kernel version 3.12.30-AM335x-PD15.2.1 build using YOCTO by
PHYTEC.
I think vendor kernel.

>
> Thanks,
> Richard
>