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FS#4014 - Mesh 802.11 doesn't work with encryption and fails to work with batman-adv without encryption #9072

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openwrt-bot opened this issue Sep 8, 2021 · 1 comment
Closed

FS#4014 - Mesh 802.11 doesn't work with encryption and fails to work with batman-adv without encryption #9072

openwrt-bot opened this issue Sep 8, 2021 · 1 comment
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FreezeHeat:

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//
  1. ///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.
@openwrt-bot
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FreezeHeat:

After updating to version v21.02.0 and installing //wpad-mesh-wolfssl//, it seems Newifi D1's radio gets disabled when set to channel 11 in mesh_point mode, R6220's radio doesn't get disabled, when both radios are set to channels like 1 or 6, both routers associate with one another.

Also, once that problem was solved, batman worked, with //mesh_fwding '0'// on both mesh networks and set up bat0 to be part of the bridged network, the routing works and I have internet access from my other node(not the gateway), //batctl n// doesn't return an error that bat0 is disabled.

Newifi D1 system log:

Wed Sep 8 14:28:44 2021 daemon.err wpa_supplicant[3766]: wlan0-1: Could not join mesh
Wed Sep 8 14:28:44 2021 daemon.notice wpa_supplicant[3766]: nl80211: deinit ifname=wlan0 disabled_11b_rates=0
Wed Sep 8 14:28:44 2021 kern.info kernel: [ 1519.626597] br-lan: port 5(wlan0) entered disabled state
Wed Sep 8 14:28:44 2021 kern.info kernel: [ 1519.655136] device wlan0 left promiscuous mode
Wed Sep 8 14:28:44 2021 kern.info kernel: [ 1519.659660] br-lan: port 5(wlan0) entered disabled state
Wed Sep 8 14:28:44 2021 daemon.notice wpa_supplicant[3766]: nl80211: deinit ifname=wlan0-1 disabled_11b_rates=0
Wed Sep 8 14:28:44 2021 kern.info kernel: [ 1519.812995] br-lan: port 6(wlan0-1) entered disabled state
Wed Sep 8 14:28:45 2021 kern.info kernel: [ 1520.867562] br-lan: port 6(wlan0-1) entered disabled state
Wed Sep 8 14:28:45 2021 kern.info kernel: [ 1520.903187] device wlan0-1 left promiscuous mode
Wed Sep 8 14:28:45 2021 kern.info kernel: [ 1520.907901] br-lan: port 6(wlan0-1) entered disabled state
Wed Sep 8 14:28:47 2021 daemon.notice netifd: radio0 (8260): command failed: Link has been severed (-67)
Wed Sep 8 14:28:47 2021 daemon.notice netifd: radio0 (8260): command failed: Link has been severed (-67)
Wed Sep 8 14:28:47 2021 kern.info kernel: [ 1522.390393] br-lan: port 5(wlan0) entered blocking state
Wed Sep 8 14:28:47 2021 kern.info kernel: [ 1522.395991] br-lan: port 5(wlan0) entered disabled state
Wed Sep 8 14:28:47 2021 kern.info kernel: [ 1522.402587] device wlan0 entered promiscuous mode
Wed Sep 8 14:28:47 2021 kern.info kernel: [ 1522.413285] br-lan: port 6(wlan0-1) entered blocking state
Wed Sep 8 14:28:47 2021 kern.info kernel: [ 1522.418904] br-lan: port 6(wlan0-1) entered disabled state
Wed Sep 8 14:28:47 2021 kern.info kernel: [ 1522.425376] device wlan0-1 entered promiscuous mode
Wed Sep 8 14:28:48 2021 daemon.notice wpa_supplicant[3766]: wlan0-1: leaving mesh
Wed Sep 8 14:28:48 2021 kern.info kernel: [ 1523.095183] br-lan: port 6(wlan0-1) entered disabled state
Wed Sep 8 14:28:49 2021 daemon.notice wpa_supplicant[3766]: nl80211: Failed to set interface into station mode
Wed Sep 8 14:28:49 2021 daemon.err wpa_supplicant[3766]: wlan0-1: mesh leave error=-134

Kernel log:

[ 1378.973986] device wlan0 left promiscuous mode
[ 1378.978502] br-lan: port 5(wlan0) entered disabled state
[ 1380.402899] br-lan: port 5(wlan0) entered blocking state
[ 1380.408339] br-lan: port 5(wlan0) entered disabled state
[ 1380.414510] device wlan0 entered promiscuous mode
[ 1380.424809] br-lan: port 6(wlan0-1) entered blocking state
[ 1380.430417] br-lan: port 6(wlan0-1) entered disabled state

EDIT:

Made a new task with the above information that's related to the problem: https://bugs.openwrt.org/index.php?do=details&task_id=4036

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