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

[Spencer Ku (古世瑜)]

> > 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?

We just want to above to operate the system file directly, but it's also a implement method to choose. 
Thanks for your reply!

> 
> >>
> >>
> >>
> >> 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
>