[B.A.T.M.A.N.] Basic question

[B.A.T.M.A.N.] Basic question

[Carlo Beccia]

Hi all,
a basic question for you guys...

How can I compile the stuff https://dev.open-mesh.net/svn/batman/trunk/batman-adv-kernelland/ into openwrt...I would like to try the layer 2 version on my fonera router....

I don't understand if I have to integrate it in a package inside the menuconfig or I can build everything off from the standard configuration...

From Makefile I understand that the module is not actually integrated into the firmware but it is compiled outside of the menuconfig and then insmod on the target...
I need some hint to create a right build environment...

Thank you in advance

Ciao, Carlo.
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Re: [B.A.T.M.A.N.] Basic question

[Marek Lindner]

Hi,

> How can I compile the stuff
> https://dev.open-mesh.net/svn/batman/trunk/batman-adv-kernelland/ into
> openwrt...I would like to try the layer 2 version on my fonera router....

currently I'm working on the batman openwrt integration. It is a bit tricky 
and I'm not 100% finished yet. It will be included in the latest kamikaze 
trunk. Either you wait some more days or I send you my current status.


> I don't understand if I have to integrate it in a package inside the
> menuconfig or I can build everything off from the standard configuration...

You can't use the standard configuration.

Greetings,
Marek

RE: [B.A.T.M.A.N.] Basic question

[Carlo Beccia]

Hi Marek,
thank you for your quick reply....

I would like to compile the module...I don't need the complete openwrt integration...
I would like to see and study your (you all) work on kernel space.....

At the moment I have already build a custom openwrt firmware....but from what I understand I need to patch the madwifi driver to support the new feature and recompile the driver....then I can build the batman module...
I need only some hint on what steps to take in order to compile the module...I doesn't seem so difficult but i wanna follow the right steps...

Obviously if I don't waste your time.....

Regards, Carlo

----------------------------------------
> From: lindner_marek@yahoo.de
> To: b.a.t.m.a.n@open-mesh.net
> Subject: Re: [B.A.T.M.A.N.] Basic question
> Date: Tue, 15 Jan 2008 12:43:27 +0100
> 
> 
> Hi,
> 
> > How can I compile the stuff
> > https://dev.open-mesh.net/svn/batman/trunk/batman-adv-kernelland/ into
> > openwrt...I would like to try the layer 2 version on my fonera router....
> 
> currently I'm working on the batman openwrt integration. It is a bit tricky 
> and I'm not 100% finished yet. It will be included in the latest kamikaze 
> trunk. Either you wait some more days or I send you my current status.
> 
> 
> > I don't understand if I have to integrate it in a package inside the
> > menuconfig or I can build everything off from the standard configuration...
> 
> You can't use the standard configuration.
> 
> Greetings,
> Marek
> _______________________________________________
> B.A.T.M.A.N mailing list
> B.A.T.M.A.N@open-mesh.net
> https://list.open-mesh.net/mm/listinfo/b.a.t.m.a.n

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Re: [B.A.T.M.A.N.] Basic question

[Simon Wunderlich]

[-- Attachment #1: Type: text/plain, Size: 2532 bytes --]

Hello Carlo,

batman-adv-kernelland is currently not integrated in madwifi (this is
just another idea on our TODO list). You only need to compile the
batman-adv-kernelland/batman-core/ directory against your kernel.
This gives you the batman-adv-core.ko module which you can insmod and is
independent from madwifi (and any other driver).

Best Regards,
	Simon

On Tue, Jan 15, 2008 at 12:59:00PM +0000, Carlo Beccia wrote:
> 
> 
> 
> Hi Marek,
> thank you for your quick reply....
> 
> I would like to compile the module...I don't need the complete openwrt integration...
> I would like to see and study your (you all) work on kernel space.....
> 
> At the moment I have already build a custom openwrt firmware....but from what I understand I need to patch the madwifi driver to support the new feature and recompile the driver....then I can build the batman module...
> I need only some hint on what steps to take in order to compile the module...I doesn't seem so difficult but i wanna follow the right steps...
> 
> Obviously if I don't waste your time.....
> 
> Regards, Carlo
> 
> ----------------------------------------
> > From: lindner_marek@yahoo.de
> > To: b.a.t.m.a.n@open-mesh.net
> > Subject: Re: [B.A.T.M.A.N.] Basic question
> > Date: Tue, 15 Jan 2008 12:43:27 +0100
> > 
> > 
> > Hi,
> > 
> > > How can I compile the stuff
> > > https://dev.open-mesh.net/svn/batman/trunk/batman-adv-kernelland/ into
> > > openwrt...I would like to try the layer 2 version on my fonera router....
> > 
> > currently I'm working on the batman openwrt integration. It is a bit tricky 
> > and I'm not 100% finished yet. It will be included in the latest kamikaze 
> > trunk. Either you wait some more days or I send you my current status.
> > 
> > 
> > > I don't understand if I have to integrate it in a package inside the
> > > menuconfig or I can build everything off from the standard configuration...
> > 
> > You can't use the standard configuration.
> > 
> > Greetings,
> > Marek
> > _______________________________________________
> > B.A.T.M.A.N mailing list
> > B.A.T.M.A.N@open-mesh.net
> > https://list.open-mesh.net/mm/listinfo/b.a.t.m.a.n
> 
> _________________________________________________________________
> Ti piace giocare con le lettere? Prova ABCLive!
> http://messengergiochi.it.msn.com/
> _______________________________________________
> B.A.T.M.A.N mailing list
> B.A.T.M.A.N@open-mesh.net
> https://list.open-mesh.net/mm/listinfo/b.a.t.m.a.n

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RE: [B.A.T.M.A.N.] Basic question

[Carlo Beccia]

Hi Simon,
thank you very much...much easier then I tought....probably I was wrong because of the madwifi directories into the svn repository....
Ok tonight I will try....

Thank you very much again...

Regards, Carlo

----------------------------------------
> Date: Tue, 15 Jan 2008 15:25:36 +0100
> From: simon.wunderlich@s2003.tu-chemnitz.de
> To: b.a.t.m.a.n@open-mesh.net
> Subject: Re: [B.A.T.M.A.N.] Basic question
> 
> Hello Carlo,
> 
> batman-adv-kernelland is currently not integrated in madwifi (this is
> just another idea on our TODO list). You only need to compile the
> batman-adv-kernelland/batman-core/ directory against your kernel.
> This gives you the batman-adv-core.ko module which you can insmod and is
> independent from madwifi (and any other driver).
> 
> Best Regards,
> 	Simon
> 
> On Tue, Jan 15, 2008 at 12:59:00PM +0000, Carlo Beccia wrote:
> > 
> > 
> > 
> > Hi Marek,
> > thank you for your quick reply....
> > 
> > I would like to compile the module...I don't need the complete openwrt integration...
> > I would like to see and study your (you all) work on kernel space.....
> > 
> > At the moment I have already build a custom openwrt firmware....but from what I understand I need to patch the madwifi driver to support the new feature and recompile the driver....then I can build the batman module...
> > I need only some hint on what steps to take in order to compile the module...I doesn't seem so difficult but i wanna follow the right steps...
> > 
> > Obviously if I don't waste your time.....
> > 
> > Regards, Carlo
> > 
> > ----------------------------------------
> > > From: lindner_marek@yahoo.de
> > > To: b.a.t.m.a.n@open-mesh.net
> > > Subject: Re: [B.A.T.M.A.N.] Basic question
> > > Date: Tue, 15 Jan 2008 12:43:27 +0100
> > > 
> > > 
> > > Hi,
> > > 
> > > > How can I compile the stuff
> > > > https://dev.open-mesh.net/svn/batman/trunk/batman-adv-kernelland/ into
> > > > openwrt...I would like to try the layer 2 version on my fonera router....
> > > 
> > > currently I'm working on the batman openwrt integration. It is a bit tricky 
> > > and I'm not 100% finished yet. It will be included in the latest kamikaze 
> > > trunk. Either you wait some more days or I send you my current status.
> > > 
> > > 
> > > > I don't understand if I have to integrate it in a package inside the
> > > > menuconfig or I can build everything off from the standard configuration...
> > > 
> > > You can't use the standard configuration.
> > > 
> > > Greetings,
> > > Marek
> > > _______________________________________________
> > > B.A.T.M.A.N mailing list
> > > B.A.T.M.A.N@open-mesh.net
> > > https://list.open-mesh.net/mm/listinfo/b.a.t.m.a.n
> > 
> > _________________________________________________________________
> > Ti piace giocare con le lettere? Prova ABCLive!
> > http://messengergiochi.it.msn.com/
> > _______________________________________________
> > B.A.T.M.A.N mailing list
> > B.A.T.M.A.N@open-mesh.net
> > https://list.open-mesh.net/mm/listinfo/b.a.t.m.a.n

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Re: [B.A.T.M.A.N.] Basic question

[Simon Wunderlich]

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Hello Carlo,

thanks for pointing that out, i cleaned the directory up and wrote a
little README. :)
The kernel module might still be a little unstable, but have fun
testing.

Best Regards
	Simon

On Tue, Jan 15, 2008 at 02:41:19PM +0000, Carlo Beccia wrote:
> 
> 
> 
> Hi Simon,
> thank you very much...much easier then I tought....probably I was wrong because of the madwifi directories into the svn repository....
> Ok tonight I will try....
> 
> Thank you very much again...
> 
> Regards, Carlo
> 
> ----------------------------------------
> > Date: Tue, 15 Jan 2008 15:25:36 +0100
> > From: simon.wunderlich@s2003.tu-chemnitz.de
> > To: b.a.t.m.a.n@open-mesh.net
> > Subject: Re: [B.A.T.M.A.N.] Basic question
> > 
> > Hello Carlo,
> > 
> > batman-adv-kernelland is currently not integrated in madwifi (this is
> > just another idea on our TODO list). You only need to compile the
> > batman-adv-kernelland/batman-core/ directory against your kernel.
> > This gives you the batman-adv-core.ko module which you can insmod and is
> > independent from madwifi (and any other driver).
> > 
> > Best Regards,
> > 	Simon
> > 
> > On Tue, Jan 15, 2008 at 12:59:00PM +0000, Carlo Beccia wrote:
> > > 
> > > 
> > > 
> > > Hi Marek,
> > > thank you for your quick reply....
> > > 
> > > I would like to compile the module...I don't need the complete openwrt integration...
> > > I would like to see and study your (you all) work on kernel space.....
> > > 
> > > At the moment I have already build a custom openwrt firmware....but from what I understand I need to patch the madwifi driver to support the new feature and recompile the driver....then I can build the batman module...
> > > I need only some hint on what steps to take in order to compile the module...I doesn't seem so difficult but i wanna follow the right steps...
> > > 
> > > Obviously if I don't waste your time.....
> > > 
> > > Regards, Carlo
> > > 
> > > ----------------------------------------
> > > > From: lindner_marek@yahoo.de
> > > > To: b.a.t.m.a.n@open-mesh.net
> > > > Subject: Re: [B.A.T.M.A.N.] Basic question
> > > > Date: Tue, 15 Jan 2008 12:43:27 +0100
> > > > 
> > > > 
> > > > Hi,
> > > > 
> > > > > How can I compile the stuff
> > > > > https://dev.open-mesh.net/svn/batman/trunk/batman-adv-kernelland/ into
> > > > > openwrt...I would like to try the layer 2 version on my fonera router....
> > > > 
> > > > currently I'm working on the batman openwrt integration. It is a bit tricky 
> > > > and I'm not 100% finished yet. It will be included in the latest kamikaze 
> > > > trunk. Either you wait some more days or I send you my current status.
> > > > 
> > > > 
> > > > > I don't understand if I have to integrate it in a package inside the
> > > > > menuconfig or I can build everything off from the standard configuration...
> > > > 
> > > > You can't use the standard configuration.
> > > > 
> > > > Greetings,
> > > > Marek
> > > > _______________________________________________
> > > > B.A.T.M.A.N mailing list
> > > > B.A.T.M.A.N@open-mesh.net
> > > > https://list.open-mesh.net/mm/listinfo/b.a.t.m.a.n
> > > 
> > > _________________________________________________________________
> > > Ti piace giocare con le lettere? Prova ABCLive!
> > > http://messengergiochi.it.msn.com/
> > > _______________________________________________
> > > B.A.T.M.A.N mailing list
> > > B.A.T.M.A.N@open-mesh.net
> > > https://list.open-mesh.net/mm/listinfo/b.a.t.m.a.n
> 
> _________________________________________________________________
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Re: [B.A.T.M.A.N.] Basic question

[Marek Lindner]

Hi,

> thanks for pointing that out, i cleaned the directory up and wrote a
> little README. :)

thank you for doing so. I hope it is more understandable now.  :-)


> The kernel module might still be a little unstable, but have fun
> testing.

Please give us feedback about your results - even the bad news.  ;-)

Greetings,
Marek

RE: [B.A.T.M.A.N.] Basic question

[Carlo Beccia]

Hi All,
thanks again....

I managed to cross compile correctly for my atheros target...really easier than I tought...

Stay tuned for tests report....as soon as possible I will start to do some test...

Do you have some stub for testing???

Regards,
Carlo

----------------------------------------
> From: lindner_marek@yahoo.de
> To: b.a.t.m.a.n@open-mesh.net
> Subject: Re: [B.A.T.M.A.N.] Basic question
> Date: Tue, 15 Jan 2008 18:45:43 +0100
> 
> 
> Hi,
> 
> > thanks for pointing that out, i cleaned the directory up and wrote a
> > little README. :)
> 
> thank you for doing so. I hope it is more understandable now.  :-)
> 
> 
> > The kernel module might still be a little unstable, but have fun
> > testing.
> 
> Please give us feedback about your results - even the bad news.  ;-)
> 
> Greetings,
> Marek
> 
> _______________________________________________
> B.A.T.M.A.N mailing list
> B.A.T.M.A.N@open-mesh.net
> https://list.open-mesh.net/mm/listinfo/b.a.t.m.a.n

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[B.A.T.M.A.N.] Multiple wireless interfaces

[Predrag Balorda]

Ok. Here is something batman doesn't provision for - dual-interface setup where
you want to create a duplex link (tx on one and rx on another). Duplex link to
one other node is simple (and has to be done manually), but how would we go
about creating a duplex link to 2 or more nodes? Or one simplex link to
downstream node and one simplex link to upstream node?
Example:

A = B   C duplex link (for example I need to talk from B to A fast and I use
both interfaces to talk to A)
A - B - C simplex links (I use one interface to talk to A and one to talk to B)
A = B/B = C duplex links for all links (I talk to both A and C duplex, but not
at the same time of course)

How do we do this with batman easily and dynamically (without having to manually
mess around with routing tables etc)?

[B.A.T.M.A.N.] RE: Multiple wireless interfaces

[Predrag Balorda]

Another thing - think of this as quasi-asynchronous links, i.e. B can talk to A
on both interfaces (call them int1 and int2), but only chooses int1, and A does
the opposite, chooses the other (int2) to talk back to B.
If B has to talk to both A and C at the same time and can see A and C on both
int1 and int2 then it will choose int1 to talk to A and int2 to talk to C.

Maybe it makes sense now....

P.S. or maybe I'm just missing something

> -----Original Message-----
> From: Predrag Balorda [mailto:pele@balorda.com]
> Sent: Friday, January 18, 2008 2:42 PM
> To: 'The list for a Better Approach To Mobile Ad-hoc Networking'
> Subject: Multiple wireless interfaces
> 
> Ok. Here is something batman doesn't provision for - dual-interface setup
> where you want to create a duplex link (tx on one and rx on another).
> Duplex link to one other node is simple (and has to be done manually), but
> how would we go about creating a duplex link to 2 or more nodes? Or one
> simplex link to downstream node and one simplex link to upstream node?
> Example:
> 
> A = B   C duplex link (for example I need to talk from B to A fast and I
> use both interfaces to talk to A)
> A - B - C simplex links (I use one interface to talk to A and one to talk
> to B)
> A = B/B = C duplex links for all links (I talk to both A and C duplex, but
> not at the same time of course)
> 
> How do we do this with batman easily and dynamically (without having to
> manually mess around with routing tables etc)?

[B.A.T.M.A.N.] RE: Multiple wireless interfaces

[Predrag Balorda]

Has anyone thought about this "problem" recently?

To simplify - 3 routers, 2 adapters each, how do we establish duplex links
between each of those by using batman alone?

Or, 3 routers, 2 adapters each, how do we establish simplex links between each
of those such that one adapter links "upstream" and one "downstream" using
batman alone?


> Another thing - think of this as quasi-asynchronous links, i.e. B can talk
> to A on both interfaces (call them int1 and int2), but only chooses int1,
> and A does the opposite, chooses the other (int2) to talk back to B.
> If B has to talk to both A and C at the same time and can see A and C on
> both int1 and int2 then it will choose int1 to talk to A and int2 to talk
> to C.
> 
> Maybe it makes sense now....
> 
> P.S. or maybe I'm just missing something
> 
> > -----Original Message-----
> > From: Predrag Balorda [mailto:pele@balorda.com]
> > Sent: Friday, January 18, 2008 2:42 PM
> > To: 'The list for a Better Approach To Mobile Ad-hoc Networking'
> > Subject: Multiple wireless interfaces
> >
> > Ok. Here is something batman doesn't provision for - dual-interface setup
> > where you want to create a duplex link (tx on one and rx on another).
> > Duplex link to one other node is simple (and has to be done manually),
> but
> > how would we go about creating a duplex link to 2 or more nodes? Or one
> > simplex link to downstream node and one simplex link to upstream node?
> > Example:
> >
> > A = B   C duplex link (for example I need to talk from B to A fast and I
> > use both interfaces to talk to A)
> > A - B - C simplex links (I use one interface to talk to A and one to talk
> > to B)
> > A = B/B = C duplex links for all links (I talk to both A and C duplex,
> but
> > not at the same time of course)
> >
> > How do we do this with batman easily and dynamically (without having to
> > manually mess around with routing tables etc)?

Re: [B.A.T.M.A.N.] RE: Multiple wireless interfaces

[Axel Neumann]

Hi Predrag,

BATMAN does not really support that for multihop mesh networks. If you want 
this behavior only for single hop connections you can cheat with batmand-exp 
using the options:
--asymmetric-weight and the interface specific option /c

A smaller /c value (than the default) will apply a penalty to the detected 
link transmit quality of an interface and the --asymmetric-weight switch can 
then be used to tell the algorithm to be more reluctant to use links with a 
bad transmit quality.

I successfully tested this in a simple wired two-node setup each with two 
interfaces as illustrated below. Afterwards batman did set up the routing 
table that a ping between node A and node B always chooses the upper link 
from A to B and the lower link from B to A.

node A               node B
 eth0  -------------> eth0
 eth1  <------------- eth1
 
therefore I started on node A:
batmand --asymmetric-weight 2  eth0 /c 100 eth1 /c 50

and on node B:
batmand --asymmetric-weight 2  eth0 /c 50 eth1 /c 100

But be aware, that this will change the default behavior of batman and may 
have negative side effects on the overall path detection in you mesh.

ciao,
axel

On Montag 11 Februar 2008, Predrag Balorda wrote:
> Has anyone thought about this "problem" recently?
>
> To simplify - 3 routers, 2 adapters each, how do we establish duplex links
> between each of those by using batman alone?
>
> Or, 3 routers, 2 adapters each, how do we establish simplex links between
> each of those such that one adapter links "upstream" and one "downstream"
> using batman alone?
>
> > Another thing - think of this as quasi-asynchronous links, i.e. B can
> > talk to A on both interfaces (call them int1 and int2), but only chooses
> > int1, and A does the opposite, chooses the other (int2) to talk back to
> > B. If B has to talk to both A and C at the same time and can see A and C
> > on both int1 and int2 then it will choose int1 to talk to A and int2 to
> > talk to C.
> >
> > Maybe it makes sense now....
> >
> > P.S. or maybe I'm just missing something
> >
> > > -----Original Message-----
> > > From: Predrag Balorda [mailto:pele@balorda.com]
> > > Sent: Friday, January 18, 2008 2:42 PM
> > > To: 'The list for a Better Approach To Mobile Ad-hoc Networking'
> > > Subject: Multiple wireless interfaces
> > >
> > > Ok. Here is something batman doesn't provision for - dual-interface
> > > setup where you want to create a duplex link (tx on one and rx on
> > > another). Duplex link to one other node is simple (and has to be done
> > > manually),
> >
> > but
> >
> > > how would we go about creating a duplex link to 2 or more nodes? Or one
> > > simplex link to downstream node and one simplex link to upstream node?
> > > Example:
> > >
> > > A = B   C duplex link (for example I need to talk from B to A fast and
> > > I use both interfaces to talk to A)
> > > A - B - C simplex links (I use one interface to talk to A and one to
> > > talk to B)
> > > A = B/B = C duplex links for all links (I talk to both A and C duplex,
> >
> > but
> >
> > > not at the same time of course)
> > >
> > > How do we do this with batman easily and dynamically (without having to
> > > manually mess around with routing tables etc)?
>
> _______________________________________________
> B.A.T.M.A.N mailing list
> B.A.T.M.A.N@open-mesh.net
> https://list.open-mesh.net/mm/listinfo/b.a.t.m.a.n