On Wed, Nov 26, 2014 at 1:31 AM, Ryota Ozaki <ozak...@netbsd.org> wrote: >> I'd change if__pad1 to if_flags2 and define IFF2_SLOWTIMO_MPSAFE etc. > > Hmm, I think it's a last resort. I don't want to do something like > (ifp->if_flags & IFF_XXX) && (ifp->if_flags2 & IFF_XXX2) if possible. > > I'm thinking more to avoid the separation.
It's a temporary measure until a good struct ifnet will be designed. I propose to keep ABI by reusing if__pad1. If you propose ABI breakage, you should understand it and estimate the impact by yourself. :)
