Hi Mokhi -
batmand implements IP-based routing with an older version of the B.A.T.M.A.N.
protocol. Development is stalled. It currently lacks originator message
aggregation and IPv6 support. I might add some improvements and features one
day, but don't bet your money on it.
However, it is a simple, lightweight and fully working mesh routing daemon that
has been used mainly by Villagetelco and community networks. It can be used in
high range, low bandwidth networks such as meshes between maritime sensors or
short wave packet radio. For this, small packet size is required and using IPv6
addresses is unnecessary overhead.
Today most community networks that mainly deal with Internet traffic have
replaced it with batman-adv, though. It offers more features and is under
batman-adv is a different approach, as it doesn't implement IP-based routing
but a virtual layer 2 switch via the mesh. batman-adv offers interesting and
exciting capabilities, thanks to the different approach. However, the technical
implementation is way more difficult and porting it to a different OS is
probably a lot of work, as Simon has pointed out.
A IP-based fork of batmand is bmx6/7, which is actively developed, has IPv6
support, originator message aggregation support and many other bells and
There might be a *BSD port already, but I don't know. Porting bmx* should be
relatively easy, as it is a IP routing daemon.
On Tue, 13 Feb 2018 18:52:51 +0330
Mahdi Mokhtari <mmo...@freebsd.org> wrote:
> After some time of playing with the B.A.T.M.A.N protocol and
> net-interface on OpenWRT and Debian I was thinking to use it with
> the servers I use everyday (and maybe on routers/appliances I have
> nanoBSD on).
> So I started an effort...
> (As a background) I already ported some applications to FreeBSD [and I'm
> maintaining them] and
> also I did work already on the Linux emulation layer of FreeBSD (FreeBSD
> has a Linux syscall-emulation and Linux-KPI layers).
> So my approach (as naturally I didn't expect the build of batman-adv.ko
> to be successful as is),
> was based on the approach that we [at FreeBSD] did to port Linux's
> drm... <https://github.com/FreeBSDDesktop/kms-drm>
> I ended up in adding some header-files to FreeBSD Linux-KPI (like
> average.h, percpu.h, ...).
> Now I'm at a state that Netlink blocks me and I'm to determine next step :-)
> [Which I don't assume it being trivial with my current approach]
> So I'd like to ask:
> 1- Is it better approach to "rewrite" batman-adv.ko [at least
> Netlink-ish (let's call "Linuxism") parts] than what I'm doing now?
> 2- Any other efforts are being done out there?
> 3- is batmand deprecated [So I should mainly focus on batman-adv.ko]?
> 4- any other comments do you have? :D
> P.S. sorry if I'm not really good at starting conversation from scratch
> and out-of-nowhere :D
> but I hope by continuing the collaboration we can have better (more
> enriched) FreeBSD and better (as in more portable) B.A.T.M.A.N :-)
> Best regards, MMokhi.
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