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Re: Patch to allow specification of interface name prefix

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On Sat, 24 Feb 2007 22:39:19 -0600
Larry Finger <larry.finger@xxxxxxxxxxxx> wrote:

> Pavel Roskin wrote:
> > Quoting Alex Davis <alex14641@xxxxxxxxx>:
> > 
> >> This patch will allow you to specify the interface name prefix of wireless
> >> devices.
> >>
> >> On my machine, the wireless devices under the bcm43xx driver are named
> >> 'ethx'; I
> >> would really rather have them called 'wlanx', like bcm43xx-d80211 does.
> > 
> > You can use ifrename from wireless tools.  Use the option that checks the
> > ethtool information.
> > 
> > Jean has just released Wireless Tools 29-pre12, which can read symlinks in
> > sysfs.  That would allow renaming d80211 based network devices by checking the
> > "driver" symlinks in sysfs.  I asked Jean to do that with bcm43xx_d80211 in
> > mind.
> > 
> > It's not that I'm against your patch.  I'm rather ambivalent.  But I think using
> > ifrename could reduce the need in kernel support for interface renaming.
> 
> NACK.
> 
> On my system (openSUSE 10.2), one sets the name in /etc/udev/rules.d/30-net_persistent_names.rule. I
> feel that interface renaming is handled perfectly well in userland, and kernel support is not needed.
> 

This was hashed out on netdev 2+ years ago and decided that both ethernet
and wireless devices should show up as 'eth%d'. For inclusion d80211 needs to conform
to existing mainline kernel practice. If this means breaking the expectation of older
out of tree wireless support (ie madwifi), sorry.


-- 
Stephen Hemminger <shemminger@xxxxxxxxxxxxxxxxxxxx>
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