[OpenWrt-Devel] [PATCH] hotplug: Allow renaming wireless phy devices.

[Ben Greear]

On 10/27/19 6:35 AM, John Crispin wrote:
> On 17/12/2018 17:48, greearb at candelatech.com wrote:
>> From: Ben Greear <greearb at candelatech.com>
>>
>> uci set wireless. at wifi-device[0].phyname=wiphy0
>>
>> Then reboot and/or re-plug that device, and this will
>> name the phy wiphy0 instead of phy0, phy1, etc.
>>
>> This can help keep phy names consistent through driver reloads
>> which may make the system easier to configure properly or to
>> make different systems have the same naming (where wiphy0 is always
>> the 2.4Ghz radio, for instance).
>>
>> Signed-off-by: Ben Greear <greearb at candelatech.com>
>> ---
>>   .../kernel/mac80211/files/mac80211.hotplug    | 32 +++++++++++++++++++
>>   1 file changed, 32 insertions(+)
>>
>> diff --git a/package/kernel/mac80211/files/mac80211.hotplug b/package/kernel/mac80211/files/mac80211.hotplug
>> index b865552661..a394e3195e 100644
>> --- a/package/kernel/mac80211/files/mac80211.hotplug
>> +++ b/package/kernel/mac80211/files/mac80211.hotplug
>> @@ -3,3 +3,35 @@
>>   [ "${ACTION}" = "add" ] && {
>>       /sbin/wifi config
>>   }
>> +
>> +
>> +OPATH=${DEVPATH##/devices/platform/}
>> +OPATH=${OPATH%%/ieee*}
>> +
>> +# For USB, OPATH looks like this at this point in this script:
>> +# soc/soc:usb30 at 0/11000000.dwc3/xhci-hcd.0.auto/usb1/1-1/1-1:1.0
>> +# But, the uci path has a platform/ prefix on that:
>> +# platform/soc/soc:usb30 at 0/11000000.dwc3/xhci-hcd.0.auto/usb1/1-1/1-1:1.0
>> +OPATH_USB="platform/$OPATH";
>> +
>> +# 10 radios is enough for anyone!
>> +#echo "fix-wifi-mac, OPATH: $OPATH" >> /tmp/foo.txt
> Hi Ben,
> can you please drop all the debug code from the patch and resend
>      John

It will be a while before I get a chance to rebase my tree
and do any useful testing, and I would rather not send in a patch
that has not had any testing.

So, I can resend later, or maybe someone else will have time to make the
tweaks and test against current upsteram code.

Thanks,
Ben


> 
>> +for i in `seq 0 9`;
>> +  do
>> +  BUS=`uci get wireless. at wifi-device[$i].path`
>> +  #echo "fix-wifi-mac, BUS[$i]: $BUS" >> /tmp/foo.txt
>> +  if [ "$BUS " == "$OPATH " ] || [ "$BUS " == "$OPATH_USB " ]
>> +      then
>> +      PHYNAME=${DEVPATH##*ieee80211/}
>> +      NPHYNAME=`uci get wireless. at wifi-device[$i].phyname`
>> +      #echo "fix-wifi-mac, PHYNAME[$i]: $PHYNAME  NPHYNAME: $NPHYNAME" >> /tmp/foo.txt;
>> +      if [ "$NPHYNAME " != " " ]
>> +          then
>> +          if [ "$PHYNAME " != "$NPHYNAME " ]
>> +              then
>> +          #echo "fix-wifi-mac, renaming..." >> /tmp/foo.txt;
>> +              iw $PHYNAME set name $NPHYNAME
>> +          fi
>> +      fi
>> +  fi
>> +done
>>
> 


-- 
Ben Greear <greearb at candelatech.com>
Candela Technologies Inc  http://www.candelatech.com


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