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From: greearb@candelatech.com
To: openwrt-devel@lists.openwrt.org
Cc: Ben Greear <greearb@candelatech.com>
Subject: [PATCH] hotplug:  Allow renaming phy devices.
Date: Thu, 13 Dec 2018 15:24:12 -0800
Message-Id: <20181213232412.9109-1-greearb@candelatech.com>
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From: Ben Greear <greearb@candelatech.com>

uci set wireless.@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.

Signed-off-by: Ben Greear <greearb@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=${OPATH%%/ieee*}
+
+# For USB, OPATH looks like this at this point in this script:
+# soc/soc:usb30@0/11000000.dwc3/xhci-hcd.0.auto/usb1/1-1/1-1:1.0
+# But, the uci path has a platform/ prefix on that:
+# platform/soc/soc:usb30@0/11000000.dwc3/xhci-hcd.0.auto/usb1/1-1/1-1:1.0
+OPATH_USB="platform/$OPATH";
+
+# 10 radios is enough for anyone!
+#echo "fix-wifi-mac, OPATH: $OPATH" >> /tmp/foo.txt
+for i in `seq 0 9`;
+  do
+  BUS=`uci get wireless.@wifi-device[$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.@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
-- 
2.19.2


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