[dpdk-dev] [PATCH v15 1/4] ethdev: add apis to support access device info

[Thomas Monjalon]

2015-07-15 10:48, Wang, Liang-min:
> > > > What means magic? Is it always a device id?
> > > This field is the same as defined in kernel ethtool data structure.
> > 
> > Not an excellent argument :)
> > Actually you didn't answer.
> > 
> I could not speak for other devices. For igb and ixgbe, it's device id.
> Based upon literature search, this field is used by device driver to provide extra information.
> What would be your suggestion?

I don't have any suggestion.
You are defining a new API in DPDK, so our concern must be to check
that it will be easily understood by users and PMD developers.
If you don't really know what this field will be for, others won't know.