Re: [Linuxptp-users] Hardware PTP clock synchronization

[Гаврилов А. <le...@im...>]

Hello!

> I would recommend the i210. It is not expensive, and it has excellent capabilities.
We  need  fiber  optic  interface  (for  example, I350F, but it is too
expensive for us, we will try to use 82576).

> Would it be possible for you to attempt using LinuxPTP 1.3
Ok, i try.

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DMESG log:
3.949188] igb: module verification failed: signature and/or required key missing - tainting kernel
[    3.949987] Intel(R) Gigabit Ethernet Network Driver - version 4.3.0
[    3.949990] Copyright (c) 2007-2013 Intel Corporation.
[    3.952065] igb 0000:04:00.0: irq 49 for MSI/MSI-X
[    3.952074] igb 0000:04:00.0: irq 50 for MSI/MSI-X
[    3.982512] igb 0000:04:00.0: added PHC on eth0
[    3.982516] igb 0000:04:00.0: Intel(R) Gigabit Ethernet Network Connection
[    3.982518] igb 0000:04:00.0: eth0: (PCIe:2.5GT/s:Width x4) 
[    3.982520] igb 0000:04:00.0: eth0: MAC: 
[    3.982521] 00:1b:21:d9:ef:34
[    3.982596] igb 0000:04:00.0: eth0: PBA No: E31745-004
[    3.982597] igb 0000:04:00.0: LRO is disabled 
[    3.982599] igb 0000:04:00.0: Using MSI-X interrupts. 1 rx queue(s), 1 tx queue(s)
[    3.983868] igb 0000:04:00.1: irq 51 for MSI/MSI-X
[    3.983875] igb 0000:04:00.1: irq 52 for MSI/MSI-X
[    3.986161] microcode: CPU0 sig=0x1067a, pf=0x10, revision=0xa07
[    3.989520] tun: Universal TUN/TAP device driver, 1.6
[    3.989522] tun: (C) 1999-2004 Max Krasnyansky <ma...@qu...>
[    4.014485] igb 0000:04:00.1: added PHC on eth1
[    4.014489] igb 0000:04:00.1: Intel(R) Gigabit Ethernet Network Connection
[    4.014491] igb 0000:04:00.1: eth1: (PCIe:2.5GT/s:Width x4) 
[    4.014493] igb 0000:04:00.1: eth1: MAC: 
[    4.014494] 00:1b:21:d9:ef:35
[    4.014568] igb 0000:04:00.1: eth1: PBA No: E31745-004
[    4.014570] igb 0000:04:00.1: LRO is disabled 
[    4.014572] igb 0000:04:00.1: Using MSI-X interrupts. 1 rx queue(s), 1 tx queue(s)
[   36.905039] igb: p16p1 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
[  348.347009] igb 0000:04:00.0: clearing Tx timestamp hang
[  371.862010] igb 0000:04:00.0: clearing Tx timestamp hang
[  429.447013] igb 0000:04:00.0: clearing Tx timestamp hang
[  475.400010] igb 0000:04:00.0: clearing Tx timestamp hang
[  504.270012] igb 0000:04:00.0: clearing Tx timestamp hang

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ETHTOOL:
[root@lab32 linuxptp-1.3]# ethtool -i p16p1
driver: igb
version: 4.3.0
firmware-version: 1.2.1
bus-info: 0000:04:00.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: no

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ptp4l.conf:

[global]
#
# Default Data Set
#
twoStepFlag             1
slaveOnly               1
priority1               128
priority2               128
domainNumber            0
clockClass              248
clockAccuracy           0xFE
offsetScaledLogVariance 0xFFFF
free_running            0
freq_est_interval       1
#
# Port Data Set
#
logAnnounceInterval     1
logSyncInterval         0
logMinDelayReqInterval  1
logMinPdelayReqInterval 1
announceReceiptTimeout  3
delayAsymmetry          0
#
# Run time options
#
assume_two_step         1
logging_level           6
path_trace_enabled      0
follow_up_info          0
#tx_timestamp_retries   1
tx_timestamp_timeout    1000
use_syslog              1
verbose                 0
#
# Servo Options
#
pi_proportional_const   0.0
pi_integral_const       0.0
pi_offset_const         0.0
clock_servo             pi
#
# Transport options
#
transportSpecific       0x0
ptp_dst_mac             01:1B:19:00:00:00
p2p_dst_mac             01:80:C2:00:00:0E
udp6_scope              0x0E
#
# Default interface options
#
network_transport       L2
delay_mechanism         E2E
time_stamping           hardware

------------------------------------------------------

[root@lab32 linuxptp-1.3]# ptp4l -f "ptp4l.conf" -i p16p1 -m
ptp4l[2946.559]: selected /dev/ptp0 as PTP clock
ptp4l[2946.573]: port 1: INITIALIZING to LISTENING on INITIALIZE
ptp4l[2946.573]: port 0: INITIALIZING to LISTENING on INITIALIZE
ptp4l[2947.895]: port 1: new foreign master ece555.fffe.2de639-2
ptp4l[2951.885]: selected best master clock ece555.fffe.2de639
ptp4l[2951.885]: port 1: LISTENING to UNCALIBRATED on RS_SLAVE
ptp4l[2955.029]: poll tx timestamp timeout
ptp4l[2955.029]: port 1: send delay request failed
ptp4l[2955.029]: port 1: UNCALIBRATED to FAULTY on FAULT_DETECTED (FT_UNSPECIFIED)

wireshark:

31      9.975069000     Hirschma_2d:e6:39       IeeeI&MS_00:00:00       PTPv2   60      Sync Message

  Ethernet II, Src: Hirschma_2d:e6:39 (ec:e5:55:2d:e6:39), Dst: IeeeI&MS_00:00:00 (01:1b:19:00:00:00)
  .... 0010 = versionPTP: 2
  correction: 0,000000 nanoseconds
  ClockIdentity: 0xece555fffe2de639
  ptp.v2.flags == 0x0200
  originTimestamp (seconds): 1375519750
  originTimestamp (nanoseconds): 317139647

32      9.975971000     Hirschma_2d:e6:39       IeeeI&MS_00:00:00       PTPv2   60      Follow_Up Message
33      10.972569000    Hirschma_2d:e6:39       IeeeI&MS_00:00:00       PTPv2   60      Sync Message
34      10.973499000    Hirschma_2d:e6:39       IeeeI&MS_00:00:00       PTPv2   60      Follow_Up Message
35      10.973698000    Hirschma_2d:e6:39       IeeeI&MS_00:00:00       PTPv2   78      Announce Message
36      11.121565000    IntelCor_d9:ef:34       IeeeI&MS_00:00:00       PTPv2   58      Delay_Req Message
37      11.122969000    Hirschma_2d:e6:39       IeeeI&MS_00:00:00       PTPv2   68      Delay_Resp Message
38      11.511230000    Hirschma_2d:e6:42       Spanning-tree-(for-bridges)_00  STP     60      RST. Root = 32768/0/ec:e5:55:2d:e6:39  Cost = 0  Port = 0x8002
39      11.970068000    Hirschma_2d:e6:39       IeeeI&MS_00:00:00       PTPv2   60      Sync Message

Sincerely, Alexander.