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X-Bullshit: distributed app SSL over AJAX configuration-aware pipelining database factory 
Subject: Re: [9front] rpi4 wifi USB dongle
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Quoth hiro <23hiro@gmail.com>:
> yeah, sadly that doesn't go into depth at all.
> 
> proxy arp is not general enough to solve the real problem with wifi
> (e.g. for ipv6 or dhcp).
> the problem with wifi is that it cannot be bridged in the traditional
> (as per ethernet spec) way.
> and we already have mat damon as a solution on 9front. you have quoted
> the summary of the explanation above already, if you check mat damon
> there's more details if you're curious, or you just ask and you'll get
> even more details about this horror.
> 
> tap devices are incidental side-effect of how qemu/kvm works on
> unix/linux, has nothing to do with this problem.

Thanks for giving me more details, hiro.

I probably missed the reference where to find mat damon outside of the
silver screen, so took a little digging to find it. In case anyone else
wants to see the code, it's @ /sys/src/9/port/wifi.c:/^dmatproxy .

cpu% lookman 'matt? damon'
cpu% cd /sys/man
cpu% walk -f | xargs grep -i 'matt? damon'
cpu% cd /sys/src
cpu% g 'matt? damon'
cpu% cd /n/extra
cpu% grep 'matt? damon' INDEX
cpu%

I googled and saw  @ http://ninetimes.cat-v.org/news/2018/02/02/0/:
 wifi: matt damon wifi bridging support

which then led me to look more closely at port/wifi.c .