git: if_tun: Use pointer to ifnet in tun_softc struct

[Aaron LI]

On Fri, 20 Jul 2018 10:43:16 +0800
Sepherosa Ziehau <sepherosa at gmail.com> wrote:

> On Fri, Jul 20, 2018 at 10:19 AM, Aaron LI <aly at aaronly.me> wrote:
> > On Fri, 20 Jul 2018 09:40:21 +0800
> > Sepherosa Ziehau <sepherosa at gmail.com> wrote:
> >  
> >> I am not quite sure why we want to use if_alloc() in the first place?  
> >
> > Since our if_alloc() is very simple, so there is no big benefit to use it
> > over the direct kmalloc().  But if_alloc() is easier to use and more
> > intuitive.  
> 
> I mean why allocate in the first place?  What's wrong w/ embedding?

There is nothing wrong with embedding ifnet inside tun_softc.

So do you think is it better to embed or not embed the ifnet?  I'll follow
your advice.  Thanks.


-- 
Aaron
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