[ovs-dev] Running openvswitch in Android

[Jing Ai]

ovs-vsctl hang for bridge related operations usually indicates that
ovs-vswitchd daemon is not running. Can you check it?

Also, ovs-vsctl show cmd works since it only interacts with ovsdb &
ovsdb-server.

Best,
Jing


On Wed, Jun 12, 2013 at 4:26 PM, muddin <muddin at cs.odu.edu> wrote:

>   Hello,
>
>
>  We have compiled and installed the openvswitch in the android platform.
> Following is the version details of the Android and the OpenvSwitch
>
>
>
>            Android version:  4.2.2 (jelly bean)
>
>       Android source git:
> https://android.googlesource.com/device/lge/mako-kernel
>
>           Android Kernel source git:
> https://android.googlesource.com/kernel/msm.git
>
>           Kernel version:  3.4
>
>           Android Build: full_mako-usedebug 4.2.2 JDQ39
>
>           Openvswitch Kernel Module version: Open vSwitch switching
> datapath 1.11.90
>
>           Openvswitch version: (Open vSwitch) 1.11.90
>
>           OpenFlow versions 0x1:0x4 (from $ ./ovs-ofctl -V)
>
>           OpenvSwitch source git: git clone git://
> openvswitch.org/openvswitch
>
>           OpenvSwitch git commit: c985ec94a2fe051f083a55d67311e643a432a7ae
>
>
>
>
>
>  However we have been facing some problems to run some of the user
> commands in Android, for example,
>
>
>  #this command runs fine
>
> $ ./ovs-vsctl --verbose add-br br0
>
>
>
>  #this command actually hang. Then we apply  ctl+z to stop
>
> $ ./ovs-vsctl --verbose add-port br0 wlan0
>
>
>  #this command also hang.  Then we apply ctl+z to stop
>
> $ ovs-vsctl add-port br0 vif1.0
>
>
>
> #this command runs fine
>
> $ ./ovs-vsctl show
>
>
>    aff90ca3-aabd-4bf9-84e5-a8b81e6e8a8e
>
>     Bridge "br0"
>
>         Port "vif1.0"
>
>             Interface "vif1.0"
>
>         Port "wlan0"
>
>             Interface "wlan0"
>
>         Port "br0"
>
>             Interface "br0"
>
>                 type: internal
>
>
>  #this command shows error
>
> $ ./ovs-ofctl --verbose dump-flows br0
>
> ovs-ofctl: /data/local/tmp/run/openvswitch/br0.mgmt: failed to open socket
> (Connection refused)
>
>
>
>  Can you please help on explaining the possible reason of such error?
>
>
>  Here is more details about the files in
> "/data/local/tmp/run/openvswitch/"
>
>
>  shell at android:/data/local/tmp # ls -l /data/local/tmp/run/openvswitch/
>
> srwx------ root     root              2013-06-12 20:17 br0.mgmt
>
> srwx------ root     root              2013-06-12 20:17 br0.snoop
>
> srwx------ root     root              2013-06-12 20:16 db.sock
>
> srwx------ root     root              2013-06-12 20:17
> ovs-vswitchd.1703.ctl
>
> -rw-rw-rw- root     root            5 2013-06-12 20:17 ovs-vswitchd.pid
>
> srwx------ root     root              2013-06-12 20:16
> ovsdb-server.1691.ctl
>
> -rw-rw-rw- root     root            5 2013-06-12 20:16 ovsdb-server.pid
>
>
>
>
>  The attached file "verbosecmd.txt" shows the output of the above
> commands with verbose enable.
>
>
>  The details of building and installing openvswitch for android can be
> found in the file "Build-Openvswitch.txt".
>
> In order build the openvswitch a patch file "ovs_android.patch" and a
> script file "envsetup.sh" is required. More details about using these two
> files can be found in "Build-Openvswitch.txt".
>
>
>  Regards
>
> Mostafa Uddin
>
> http://cs.odu.edu/~muddin
>
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> http://openvswitch.org/mailman/listinfo/dev
>
>
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