Re: AD-Hoc network specify channel



On 05/07/2010 11:10 PM, Dan Williams wrote:
On Thu, 2010-05-06 at 23:17 +0200, Simon Schampijer wrote:
On 04/23/2010 02:15 AM, Dan Williams wrote:
On Sat, 2010-04-17 at 16:02 +0200, Simon Schampijer wrote:
On 04/14/2010 10:42 PM, Dan Williams wrote:
On Tue, 2010-04-13 at 21:36 +0200, Simon Schampijer wrote:
Hi,

I am trying to create an Ad-Hoc Network with a specific channel. From
the spec [1] I know that I have to set the band as well. However the
created network always has channel 1. The nm-applet does not have an
option to set the channel, and is using channel one, too.

Using iwconfig to create an Ad-Hoc network I can set a channel fine. Is
it fully implemented or do I miss something else?

It should be, though it's likely not possible if you're using
nm-connection-editor since the channel/band aren't accessible there.
But looking at it now, they *should* be accessible for ad-hoc
connections.  So we'll need to whip up some code for page-wifi.c to
hide/show them when ad-hoc is selected.

Yes, agreed. Having it accessible as a setting from within nm-applet
would be nice.

(this is because wpa_supplicant only has the ability to set the channel
for ad-hoc networks, not a limitation in NM.  wpa_supplicant does not
have the ability to set a band limitation for infrastructure networks,
which means we can't let users limit particular connection to only
802.11a for example)

See nm_supplicant_config_add_setting_wireless() in NM for where the
frequency gets sent to the supplicant, and build_supplicant_config() for
where the channel/band get translated into a frequency.

Also check nm_ap_new_fake_from_connection() to ensure that the frequency
is getting correctly set on the fake AP.

This all should work as long as the connection dict has the band/freq
specified.

Dan

Actually when looking at the logs something caught my eye. The frequency
was listed as being 5210 when I specified channel 11 and 'bg' as the
band. Looking at the code I found a little typo. Patches for master and
the NETWORKMANAGER_0_7 branch are attached.

Dan, as always, thanks for taking the time to reply that detailed,

Pushed to stable and master, thanks!

Dan

Hi Dan,

is there a new rpm planned for Fedora 11 of the NETWORKMANAGER_0_7
branch? Anything I can help here?

Built here:

https://admin.fedoraproject.org/updates/NetworkManager-0.7.2.997-1.fc11

Thanks!

The best thing you can do is get yourself and 2 other people to test it,
and if it works give it a +1 karma in the update tool.  After it reaches
+3 karma, it'll get auto-pushed to stable F11-updates.

Let me know!

Tested here fine as working and pinged others to do testing, too.

Regards,
   Simon


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