Re: [Linuxptp-users] Intel i210 PTP HW timestamping not supported

[Aris Theocharides via Linuxptp-users]

> Could you provide the output of ethtool -i for the device and the lspci
> -v info for the device? I'm curious if I can see what it claims to be…
> 

Hi Jacob,

For interest/curiosity here are the outputs:

ethtool -I output:

driver: igb
version: 6.1.20-rt8
firmware-version: 3.25, 0x85d1
expansion-rom-version: 
bus-info: :03:00.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: yes


lspci -v output:

03:00.0 Ethernet controller: Intel Corporation I210 Gigabit Network Connection 
(rev 03)
Flags: bus master, fast devsel, latency 0, IRQ 17, IOMMU group 2
Memory at 9fb0 (32-bit, non-prefetchable) [size=512K]
Memory at 9fb8 (32-bit, non-prefetchable) [size=16K]
Capabilities: [40] Power Management version 3
Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+
Capabilities: [70] MSI-X: Enable+ Count=5 Masked-
Capabilities: [a0] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Device Serial Number 6c-b3-11-ff-ff-66-39-10
Capabilities: [1a0] Transaction Processing Hints
Kernel driver in use: igb
Kernel modules: igb

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Re: [Linuxptp-users] 802.1AS management

[Eric Decker]

Thank you, Richard!

Eric Decker

-Original Message-
From: Richard Cochran 
Sent: Thursday, April 13, 2023 6:17 PM
To: Eric Decker 
Cc: linuxptp-users@lists.sourceforge.net
Subject: Re: [Linuxptp-users] 802.1AS management

On Thu, Apr 13, 2023 at 05:03:50PM +, Eric Decker wrote:
> I am working on monitoring gPTP health for automotive products using 802.1AS.
> According to 802.1AS-2020:
>
>   1.  Section 10.6.1 "PTP Management Messages are not used in this standard. 
> They are specified in IEEE Std 1588-2019."
>  *   Does this means gPTP does not support PTP management messages?

Seems like it.

>  *   If ptp4l is configured to use 802.1AS will it support management 
> messages?

Yes.

>   2.  Section 15.1 "Managed objects are accessed via a virtual information 
> store, termed the Management Information Base (MIB). MIB objects are 
> generally accessed through the Simple Network Management Protocol (SNMP)."
>  *   My understanding is that PTP management messages at not supported 
> and MIBs and SNMP should be used instead.
>  *   Does Linux PTP support MIBs and SNMP?  From what I can tell from the 
> code it does not.   I looked at the mailing list and it appears SNMP support 
> was removed around March 2020 because it was not complete.  It does not 
> appear it has been added back to the code base, at least not on the Git 
> master branch.  Are there plans to support MIBs and SNMP in the future?

SNMP is not supported, and there are no plans to add that.

>   3.  Does Linux PTP support "reverse sync" for monitoring, or will it 
> support it in the future?

Yes, it supports the NetSync Monitor (NSM) protocol.  See the 'nsm'
program and its man page.

Thanks,
Richard
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Re: [Linuxptp-users] 802.1AS management

[Richard Cochran]

On Thu, Apr 13, 2023 at 05:03:50PM +, Eric Decker wrote:
> I am working on monitoring gPTP health for automotive products using 802.1AS.
> According to 802.1AS-2020:
> 
>   1.  Section 10.6.1 "PTP Management Messages are not used in this standard. 
> They are specified in IEEE Std 1588-2019."
>  *   Does this means gPTP does not support PTP management messages?

Seems like it.

>  *   If ptp4l is configured to use 802.1AS will it support management 
> messages?

Yes.

>   2.  Section 15.1 "Managed objects are accessed via a virtual information 
> store, termed the Management Information Base (MIB). MIB objects are 
> generally accessed through the Simple Network Management Protocol (SNMP)."
>  *   My understanding is that PTP management messages at not supported 
> and MIBs and SNMP should be used instead.
>  *   Does Linux PTP support MIBs and SNMP?  From what I can tell from the 
> code it does not.   I looked at the mailing list and it appears SNMP support 
> was removed around March 2020 because it was not complete.  It does not 
> appear it has been added back to the code base, at least not on the Git 
> master branch.  Are there plans to support MIBs and SNMP in the future?

SNMP is not supported, and there are no plans to add that.

>   3.  Does Linux PTP support "reverse sync" for monitoring, or will it 
> support it in the future?

Yes, it supports the NetSync Monitor (NSM) protocol.  See the 'nsm'
program and its man page.

Thanks,
Richard


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[Linuxptp-users] 802.1AS management

[Eric Decker]

Hello Linux PTP users,

Thanks for all the great work on Linux PTP.

I am working on monitoring gPTP health for automotive products using 802.1AS.
According to 802.1AS-2020:

  1.  Section 10.6.1 "PTP Management Messages are not used in this standard. 
They are specified in IEEE Std 1588-2019."
 *   Does this means gPTP does not support PTP management messages?
 *   If ptp4l is configured to use 802.1AS will it support management 
messages?
  2.  Section 15.1 "Managed objects are accessed via a virtual information 
store, termed the Management Information Base (MIB). MIB objects are generally 
accessed through the Simple Network Management Protocol (SNMP)."
 *   My understanding is that PTP management messages at not supported and 
MIBs and SNMP should be used instead.
 *   Does Linux PTP support MIBs and SNMP?  From what I can tell from the 
code it does not.   I looked at the mailing list and it appears SNMP support 
was removed around March 2020 because it was not complete.  It does not appear 
it has been added back to the code base, at least not on the Git master branch. 
 Are there plans to support MIBs and SNMP in the future?
  3.  Does Linux PTP support "reverse sync" for monitoring, or will it support 
it in the future?
Thank you,


[cid:image001.png@01D96E06.131BD2F0]
Eric Decker
TORC Robotics, Inc.
405 Partnership Drive, Blacksburg, VA 24060
Website:  https://torc.ai

[cid:image002.png@01D96E06.131BD2F0] 
[cid:image003.png@01D96E06.131BD2F0] 
  
[cid:image004.png@01D96E06.131BD2F0]   
[cid:image005.png@01D96E06.131BD2F0] 
  
[cid:image006.png@01D96E06.131BD2F0] 
  
[cid:image007.jpg@01D96E06.131BD2F0] 



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