Re: [dpdk-dev] ieee1588fwd.c implementation

["Mcnamara, John" <john.mcnamara@intel.com>]

> -----Original Message-----
> From: Stefan Binna [mailto:stefan.binna@salzburgresearch.at]
> Sent: Thursday, August 13, 2015 12:27 PM
> To: Mcnamara, John; dev@dpdk.org
> Subject: Re: [dpdk-dev] ieee1588fwd.c implementation
> 
> I got PTP working and was able to transmit a valid PTPv2 packet over the
> DPDK network card.
> 
> Every time a PTP packet arrives I get following message in the testpmd
> application: Port 0 Received PTP packet not filtered by hardware


Hi,

That may be due to 1 or 2 different issues:

    1. You are using a NIC that doesn't support PTP timesyncing. What NIC are you using?
    2. You are using a Fortville NIC but don't have the latest code from dpdk.org.


> However, the hardware does not change the timestamp, when I check the
> received packet.

You will need to address the above issue first, but just to be clear, the NIC doesn't update the timestamp in the PTP packet. It sets a flag to say that the packet is a L2 PTP packet and that the timestamp of its arrival is available for reading.

John