[Cerowrt-devel] cerowrt-next plans

Outback Dingo outbackdingo at gmail.com
Fri Nov 23 16:29:12 EST 2012


wheres this ubnt build ? Ive got a few ubiquiti devices id like to test it
on


On Fri, Nov 23, 2012 at 12:27 PM, Dave Taht <dave.taht at gmail.com> wrote:

> I did finally get around to booting the ubnt linux 3.6.7 build I
> talked about yesterday.
>
> Yea! It worked.
>
> Boo! I have a ton of patches to modify to get back to equivalence with
> what's in cerowort-3.3.8-27
>
> So I'm planning on forking the "stable" cerowrt 3.3 repository for new
> development on 3.6,
> and am calling it cerowrt-next. I may blow it away entirely and rebase
> on openwrt. Nobody
> look!
>
> In the interim perhaps I'll stick up the ubnt-3.6.7 code, but there
> seems to be no demand, sooo...
>
> Updates:
>
> * Steven Walker made a bunch of updates to ceropackages the other day,
> I haven't tested.
>    thx steven. If anyone wants an updated ccnx-6.2, in particular, it's
> there...
>
> * Openwrt Head
> * Radvd must die - in favor of either dnsmasq or quagga
>
> Backports:
>
> * IPv6 performance patch
> * Multiple versions of fq_codel
> * QFQ+
> * Wireless diffserv patch
> * Memory reduction patches in pfifo_fast and codel
>
> Whatever other patches didn't make it up to openwrt
>
> New development:
>
> * Randomness/entropy framework infrastructure buildout
>   The new randomness frame in 3.6 and later requires driver support in
> order to work well.
>   Good crypto in things like WPA, and SSL requires good entropy.
>
> A lot of people have been thinking "ooh, random numbers fixed in
> embedded linux since 3.6"
>
> Um, no. Well, partially...
>
> http://lwn.net/Articles/507115/
>
> * TCP Fast Open test support
>   TCP fast open is supported server side in 3.6. There is some
> preliminary support for it in netperf now
>
> * AHCP in dnsmasq
>
>   After watching the deliberations on homenet, and knowing ahcp fits a
> niche not addressed there,
>   and knowing that it solves a need that cannot be met by SLAAC, dhcp,
> dhcp-pd, or ospf+pd,
>   and after losing many battles with ahcpd, and knowing AHCP NEEDS TWO
> implementations
>    to go ietf standard track...
>
>   I started hacking on the core idea one weekend 18 months ago. I
> figured if I just got a couple weekends
>   more free I'd be able to get the protocol into dnsmasq at the cost
> of a couple k in binary, and save a mb of ram.
>
>    I decided that dnsmasq was the right place to stick it, given that
> it managed address assignment
>    already for multiple other protocols. It turns out than an AHCP
> server is even simpler than the
>    client. I then started having some thoughts towards having prefix
> distribution and border discovery in it...
>
>    and felt that writing a fresh implementation would be a good start
> towards understanding these
>    complex issues.
>
>   Sadly, those weekends have not happened yet.  :(
>
>   It would be nice to find someone to work with to continue getting
> this into dnsmasq. ? Even as an exercise,
>   it's a good exploration into how ipv6 multicast actually works....
>
>   Anyway I just folded in somepatches that compiled and opened up the
> port into the current dnsmasq tree
>   and put it up on github. It does very little else...
>
>   My github repo for dnsmasq-ahcp: https://github.com/dtaht/dnsmasq-ahcp
>   Protocol Specification:
>
> http://www.pps.univ-paris-diderot.fr/~jch/software/ahcp/draft-chroboczek-ahcp-00.html
>   existing ahcp server/client code and doc:
> http://www.pps.univ-paris-diderot.fr/~jch/software/ahcp/
>
>   Alternatively getting another ahcp server written in another
> language would be good.
>
> * DLNA (?)
> * small DHCP-PD support
>
> Wide is not working out, isc and dibbler are too huge. It's time for
> someone to write a small one... (not me!)
>
> Other suggestions for the upcoming development cycle?
>
> --
> Dave Täht
>
> Fixing bufferbloat with cerowrt:
> http://www.teklibre.com/cerowrt/subscribe.html
> _______________________________________________
> Cerowrt-devel mailing list
> Cerowrt-devel at lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/cerowrt-devel
>
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