* why can the distance only be set on a phy not a dev
@ 2012-01-17 12:29 David Goodenough
2012-01-17 13:05 ` Johannes Berg
0 siblings, 1 reply; 2+ messages in thread
From: David Goodenough @ 2012-01-17 12:29 UTC (permalink / raw)
To: linux-wireless
Using the iw command, most things can either be directed to a dev or
a phy, but a distance can only be set on a phy.
This leads to problems as I do not know which phy is connected to a
dev (or at least I do not know how to find out which phy is connected
to a dev), and so in my Debian /etc/network/interfaces file I have:-
iface wlan0 inet manual
pre-up iw dev wlan0 interface add mesh0 type mp
iface mesh0 inet static
address 10.101.11.254
netmask 255.255.255.0
pre-up iw dev mesh0 set channel 153
post-up iw phy phy0 set distance 3500
up iw dev mesh0 mesh join MeshId
so in the mesh0 stanza I have a reference to phy0 which is hard
coded and if it changes subject to error.
So either I need to be able to set distance to dev mesh0, or have
some means or working out which phy corresponds to dev mesh0.
Any ideas?
David
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: why can the distance only be set on a phy not a dev
2012-01-17 12:29 why can the distance only be set on a phy not a dev David Goodenough
@ 2012-01-17 13:05 ` Johannes Berg
0 siblings, 0 replies; 2+ messages in thread
From: Johannes Berg @ 2012-01-17 13:05 UTC (permalink / raw)
To: David Goodenough; +Cc: linux-wireless
On Tue, 2012-01-17 at 12:29 +0000, David Goodenough wrote:
> Using the iw command, most things can either be directed to a dev or
> a phy, but a distance can only be set on a phy.
>
> This leads to problems as I do not know which phy is connected to a
> dev (or at least I do not know how to find out which phy is connected
> to a dev), and so in my Debian /etc/network/interfaces file I have:-
>
> iface wlan0 inet manual
> pre-up iw dev wlan0 interface add mesh0 type mp
>
> iface mesh0 inet static
> address 10.101.11.254
> netmask 255.255.255.0
> pre-up iw dev mesh0 set channel 153
> post-up iw phy phy0 set distance 3500
> up iw dev mesh0 mesh join MeshId
>
> so in the mesh0 stanza I have a reference to phy0 which is hard
> coded and if it changes subject to error.
>
> So either I need to be able to set distance to dev mesh0, or have
> some means or working out which phy corresponds to dev mesh0.
I can easily allow you to invoke iw with the netdev rather than the phy,
but the parameter would still be per phy.
johannes
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2012-01-17 12:29 why can the distance only be set on a phy not a dev David Goodenough
2012-01-17 13:05 ` Johannes Berg
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