[systemd-devel] Antw: [EXT] Re: Additional Information for Ethernet

[Ulrich Windl]

>>> Greg KH <gregkh at linuxfoundation.org> schrieb am 09.12.2021 um 18:24 in
Nachricht <YbI7vAIAc/zeZoKF at kroah.com>:
> On Thu, Dec 09, 2021 at 03:13:42AM +0000, Spencer Ku (古世瑜) wrote:
>> Hi All,
>> We are developing the redfish of openbmc, and want to expose some Ethernet

> information through the redfish interface, like packet count, drop count. My

> goal is to calculate the bandwidth / drop package rate of the Ethernet. We 
> can get those counts from Ethernet driver 
> (/sys/class/net/{Ethernet_Name}/statistics), but as far as I know, there is

> no suitable d-bus to read those metrics.

I wonder: What's the problem with just reading that file?

>> 
>> 
>> 
>> My question is that: is it possible to create the new D-bus properties ( 
> like under the /org/freedesktop/{network}/network/{Ethernet_Name}), then
sync 
> the counts to that D-Bus?
> 
> Why not just use netlink for this?  I think it provides this information
> already as part of networking stats.  Have you looked into that?
> 
> thanks,
> 
> greg k-h