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

[John Crispin]

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

> +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
> 


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