[FS#4014] Mesh 802.11 doesn't work with encryption and fails to work with batman-adv without encryption (Attachment added)

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User who did this - freezeheat (FreezeHeat) 

Attached to Project - OpenWrt/LEDE Project
Summary - Mesh 802.11 doesn't work with encryption and fails to work with batman-adv without encryption
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Medium
Priority - Very Low
Reported Version - openwrt-19.07
Due in Version - Undecided
Due Date - Undecided
Details - 2 Devices with very similar hardware are having the same issue, a Netgear R6220 and a Lenovo newifi D1.
While I had the same problem with both devices, the only one I tried using with the snapshot is the R6220.

I also documented this in the following forum post: https://forum.openwrt.org/t/mesh-network-configuration-mesh-fails-batman/105260

Version used: OpenWrt 19.07.8, r11364-ef56c85848.
Packages: Provided by snapshot + //wpad-mesh-openssl//(and dependencies), //kmod-batman-adv//(and dependencies) & //batctl-default//(and dependencies).

Steps to reproduce the mesh failing with encryption:
1. Install snapshot via sysupgrade (I kept the former settings)
2. Install packages
  * //opkg remove wpad-basic//
  * //opkg update//
  * //opkg install wpad-mesh-openssl kmod-batman-adv batctl-default//
3. ///etc/config/wireless// add mesh networks for both radios

# adjust network option to your network's name
config wifi-iface 'mesh0'
	option network 'lan'
	option device 'radio0'
	option mode 'mesh'
	option mesh_fwding '1' 
	option mesh_id 'mymesh'
	option encryption 'sae'
	option key 'password'

config wifi-iface 'mesh1'
	option network 'lan'
	option device 'radio1'
	option mode 'mesh'
	option mesh_fwding '1'
	option mesh_id 'mymesh_5g'
	option encryption 'sae'
	option key 'password'


4. Run //service network restart// or reboot.
5.// iw dev wlan0 info// Shows no traffic, and //ip link// shows mesh0 is disabled(isn't up), on the other hand wlan1(5.0Ghz) has traffic and is shown as up.

NOTE: Network and Wireless configuration files are included.

As for //kmod-batman-adv//, even when the //mesh_fwding// option in //etc/config/wireless// is set to 0, batman's bat0 is always disabled, with or without mesh encryption.
Steps to reproduce:
1. Same as the above steps.
2. Change //mesh_fwding// option in //etc/config/wireless// to '0'.
3. Change //encryption// option in //etc/config/wireless// to 'none'.
4. Run: //service network restart//.
5. Run: //batctl n// -> returns bat0 is disabled.


One or more files have been attached.

More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=4014

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