git: if_tun: Use pointer to ifnet in tun_softc struct

[Sepherosa Ziehau]

Well, I don't think if_alloc makes sense for Dfly.  But if you have
already changed some code, then let it be.

On Fri, Jul 20, 2018 at 11:19 AM, Aaron LI <aly at aaronly.me> wrote:
> 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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