Re: Driver writer hints (was [PATCH 3/4] Add ETHTOOL_[GS]PFLAGS sub-ioctls)

Rick Jones
2007-08-10T21:19:34Z

> If we are getting (retrieving) flags:
>
> 3) Userland issues ETHTOOL_GPFLAGS, to obtain a 32-bit bitmap
>
> 4) Userland prints out a tag returned from ETHTOOL_GSTRINGS
> for each bit set to one in the bitmap. If a bit is set,
> but there is no string to describe it, that bit is ignored.
> (i.e. a list of 5 strings is returned, but bit 24 is set)

Is that to enable "hidden" bits? If not I'd think that emitting some
sort of "UNKNOWN_FLAG" might help flush-out little oopses like
forgetting a string.

rick jones