Hi, As Miroslav said, 82599(and other intel nics) has separated phc for each eth port, and pcie PTM are not supported. The only way to sync each phc accurately is to use the SDP pins, one port generate an 1PPS and others take the 1PPS to sync the phc, using ts2phc.
Andre Puschmann <andre.puschm...@srs.io> 于2023年11月1日周三 16:08写道： > > Hi everyone, > > I am picking up this thread as we're still facing some issues with > getting the BC mode working on this two-port Intel 82599ES NIC. > > Cabling is still the same as in the original post - one port receives > PTP sync from an external GM and should redistribute it over the second > port to a client. > > We've previously used two ptp4linux instances, one for each interface > but I am not sure that is the way to go. Indeed the clock_mode setting > in the config file allows for BC which in turn requires two interfaces > to be specified. However, doing so results in a PHC device mismatch: > > /opt/linuxptp/ptp4l -2 -i enp1s0f1 -i enp1s0f0 -f > /opt/ptp4l_cfg/bc.cfg -m -l 6 > ptp4l[851.735]: selected /dev/ptp1 as PTP clock > ptp4l[851.735]: port 1 (enp1s0f1): PHC device mismatch > ptp4l[851.735]: port 1 (enp1s0f1): /dev/ptp1 requested, ptp0 attached > ptp4l[851.735]: failed to open port enp1s0f1 > failed to create a clock > > I am not sure where this is coming from but indeed the first interface > seems PHC 1 assigned and the second PHC 0. Not sure if this is an issue. > > $ ethtool -T enp1s0f0 > Time stamping parameters for enp1s0f0: > Capabilities: > hardware-transmit > software-transmit > hardware-receive > software-receive > software-system-clock > hardware-raw-clock > PTP Hardware Clock: 1 > Hardware Transmit Timestamp Modes: > off > on > Hardware Receive Filter Modes: > none > ptpv1-l4-sync > ptpv1-l4-delay-req > ptpv2-event > > > I've further noticed the phc_index config param but it doesn't make a > difference, resulting in the same mismatch error. > > Specifying the -p param, however, helps in getting over (this) error but > I still don't get PTP packets on the output interface (tcpdump not > showing anything). > > /opt/linuxptp/ptp4l -2 -i enp1s0f1 -i enp1s0f0 -p /dev/ptp0 -f > /opt/ptp4l_cfg/bc.cfg -m -l6 > ptp4l[1040.051]: selected /dev/ptp0 as PTP clock > ptp4l[1040.051]: port 2 (enp1s0f0): taking /dev/ptp0 from the command > line, not the attached ptp1 > ptp4l[1040.097]: driver rejected most general HWTSTAMP filter > ptp4l[1040.097]: ioctl SIOCSHWTSTAMP failed: Numerical result out of range > ptp4l[1040.132]: port 1 (enp1s0f1): INITIALIZING to FAULTY on > FAULT_DETECTED (FT_UNSPECIFIED) > ptp4l[1040.180]: driver rejected most general HWTSTAMP filter > ptp4l[1040.180]: ioctl SIOCSHWTSTAMP failed: Numerical result out of range > ptp4l[1040.220]: port 2 (enp1s0f0): INITIALIZING to FAULTY on > FAULT_DETECTED (FT_UNSPECIFIED) > ptp4l[1040.220]: port 0 (/var/run/ptp4l): INITIALIZING to LISTENING on > INIT_COMPLETE > ptp4l[1040.220]: port 0 (/var/run/ptp4lro): INITIALIZING to LISTENING on > INIT_COMPLETE > > > My questions are now whether or not the BC clock_mode is the way to go? > And, if so, what do you think might be causing the issues we are seeing > with the config [1] or setup? > > Thanks > Andre > > > [1] https://pastes.io/epvudxplcz > > > > On 3/10/23 15:41, Nils Fuerste wrote: > > Ah yeah, I didnt read well. That really improved the sync quality - > > thanks a lot for your advice! > > > > On 3/10/23 14:38, Miroslav Lichvar wrote: > >> On Tue, Oct 03, 2023 at 02:33:32PM +0200, Nils Fuerste wrote: > >>> Thanks for your help! Unfortunately, setting those values doesn't > >>> work for > >>> me. I get the following errors: > >>> > >>> sudo ptp4l -2 -i enp1s0f1 -f ./default-new-master.cfg -m > >>> -1.0 is an out of range value for option pi_proportional_const at > >>> line 73 > >>> failed to parse configuration file ./default-new-master.cfg > >> It should be pi_proportional_exponent, not pi_proportional_const. > >> > >>> $ sudo ptp4l -2 -i enp1s0f1 -f ./default-new-master.cfg -m > >>> P is a malformed value for option pi_proportional_scale at line 75 > >>> failed to parse configuration file ./default-new-master.cfg > >> P and I should be replaced with the values from the table. > >> > > > > > > _______________________________________________ > > Linuxptp-users mailing list > > Linuxptp-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/linuxptp-users > > > _______________________________________________ > Linuxptp-users mailing list > Linuxptp-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/linuxptp-users _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users
