Re: xo-1 os300 -- switch off mesh?
martin wrote: Hi all, Is there a way to tweak the os300 build so that it brings up the Libertas device just as eth0 (and doesn't enable the 802.11s features in the firmware)? echo 0 /sys/class/net/eth0/lbs_mesh as per http://wiki.laptop.org/go/Mesh_Network_Details#Disabling_the_mesh_network Not sure what it does exactly but the msh0 interface is gone and the wireless led does not randomly blink when in suspend mode (laptop closed). ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: xo-1 os300 -- switch off mesh?
Is there a way to tweak the os300 build so that it brings up the Libertas device just as eth0 I presume you are asking about installing a distribution which embodies that definition - I myself do not understand how to modify the build process. But if the question refers only to hacking an existing build for someone's use - my answer is 'yes': * File /etc/udev/rules.d/70-persistent-net.rules lists the names assigned to the device interfaces. [These names appear to be assigned in the order in which the respective devices were presented to the system -- I ran into this problem in 2008, with my no-wireless setup. Randomly a new build would initialize itself with my ethernet on eth0 (instead of on eth1) -- but there was code in the system which assumed the XO's radio HAD TO BE at eth0. Plus I found that if I had been using an external ethernet adapter with a particular XO, but then plugged in a different adapter -- that connection got assigned the next name (e.g., eth2). Nowadays I always check this file to verify name assignments - and manually edit names if they're not what my procedures expect.] * And names are merely parameters specifiable on whatever command causes that device interface to be created. For instance, 'wlan_' gets assigned by command 'iw interface add' (or equivalent). (and doesn't enable the 802.11s features in the firmware)? I'm not familiar with the various methods implemented in the software. But (for hacking an existing build) there might well exist a 'service' (reachable via DBUS) which disables the XO's 802.11s feature. mikus ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: xo-1 os300 -- switch off mesh?
On 12 July 2010 17:59, Martin Langhoff martin.langh...@gmail.com wrote: Hi all, Is there a way to tweak the os300 build so that it brings up the Libertas device just as eth0 (and doesn't enable the 802.11s features in the firmware)? Just curious, why? The usual NetworkManager methods (if any?) should work, google for network manager ignore device type thing. You could delete the hal fdi file that identifies the device as mesh (in which case it will come up as a regular wifi device). Not really sure how the mesh on/off thing works at the firmware level, there's no obvious way to turn it on or off. I guess it will always forward packets as it hears them etc. Daniel ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: xo-1 os300 -- switch off mesh?
On Jul 12, 2010, at 11:03 PM, Martin Langhoff wrote: On Mon, Jul 12, 2010 at 10:42 PM, Paul Fox p...@laptop.org wrote: Is there a way to tweak the os300 build so that it brings up the Libertas device just as eth0 (and doesn't enable the 802.11s features in the firmware)? was there a way to do that in 802? Good question -- no there wasn't. But the f11 builds for xo-1 only did 802.11b/g for a long time. I have this silly assumption that there's a kmod to blacklist or a kmod option to set/change to completely disable the 802.11s support. As far as I know, there is NO way to completely disable mesh support on XO-1 without holding the WLAN card in reset. Even if you don't support it at the OS level, the firmware will still behave badly if it receives a mesh broadcast packet. IIRC, we settled for trying to ensure that no mesh packets were ever broadcast, but if one did get sent, everyone would still help relay it. wad ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: xo-1 os300 -- switch off mesh?
On Tue, Jul 13, 2010 at 10:22 AM, John Watlington w...@laptop.org wrote: As far as I know, there is NO way to completely disable mesh support on XO-1 without holding the WLAN card in reset. Boo. Ok. Even if you don't support it at the OS level, the firmware will still behave badly if it receives a mesh broadcast packet. Interesting. Given that we had mesh disabled on XO-1 kernel builds for quite a while, my understanding was that we were using a different driver (thinfirmware?) or that there was a way to disable 802.11s. The nasty bit is that even with an established 802.11b/g connection (infra or adhoc), it'll forward packets. cheers, m -- martin.langh...@gmail.com mar...@laptop.org -- School Server Architect - ask interesting questions - don't get distracted with shiny stuff - working code first - http://wiki.laptop.org/go/User:Martinlanghoff ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: xo-1 os300 -- switch off mesh?
On Tue, Jul 13, 2010 at 12:15 PM, Reuben K. Caron reu...@laptop.org wrote: Um, I think this should send a mesh stop command to the firmware. echo 0 /sys/class/net/eth1/lbs_mesh From: http://dev.laptop.org/ticket/5144 I like hearing from people who know stuff :-) Excellent, so adding that to an init-script that runs before NM starts up (ie: /etc/init.d/olpc-configure) would nuke msh0. The reason for this is testing -- there is a team testing throughput and reliability (and maybe dense environments) for the XO-1 hardware and they are interested in disabling the mesh forwarding to see if it changes things. cheers, m -- martin.langh...@gmail.com mar...@laptop.org -- School Server Architect - ask interesting questions - don't get distracted with shiny stuff - working code first - http://wiki.laptop.org/go/User:Martinlanghoff ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: xo-1 os300 -- switch off mesh?
martin wrote: Hi all, Is there a way to tweak the os300 build so that it brings up the Libertas device just as eth0 (and doesn't enable the 802.11s features in the firmware)? was there a way to do that in 802? paul =- paul fox, p...@laptop.org ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: xo-1 os300 -- switch off mesh?
On Mon, Jul 12, 2010 at 10:42 PM, Paul Fox p...@laptop.org wrote: Is there a way to tweak the os300 build so that it brings up the Libertas device just as eth0 (and doesn't enable the 802.11s features in the firmware)? was there a way to do that in 802? Good question -- no there wasn't. But the f11 builds for xo-1 only did 802.11b/g for a long time. I have this silly assumption that there's a kmod to blacklist or a kmod option to set/change to completely disable the 802.11s support. cheers, m -- martin.langh...@gmail.com mar...@laptop.org -- School Server Architect - ask interesting questions - don't get distracted with shiny stuff - working code first - http://wiki.laptop.org/go/User:Martinlanghoff ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
