Re: struct ifnet and ifaddr handling [was: Re: Making global variables of if.c MPSAFE]

[Ryota Ozaki <ozaki-r%netbsd.org@localhost>]

On Wed, Nov 26, 2014 at 11:24 AM, Masao Uebayashi <uebayasi%gmail.com@localhost> wrote:
> On Wed, Nov 26, 2014 at 1:31 AM, Ryota Ozaki <ozaki-r%netbsd.org@localhost> 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.

If it's a temporal solution, I have no objection :)

>
> I propose to keep ABI by reusing if__pad1.  If you propose ABI
> breakage, you should understand it and estimate the impact by
> yourself. :)

Of course, I'm thinking a way without ABI breakage.

  ozaki-r